caterpillar 977 traxcavator parts manual

14
Parts Manual THIS IS A MANUAL PRODUCED BY JENSALES INC. WITHOUT THE AUTHORIZATION OF CATERPILLAR OR IT’S SUCCESSORS. CATERPILLAR AND IT’S SUCCESSORS ARE NOT RESPONSIBLE FOR THE QUALITY OR ACCURACY OF THIS MANUAL. TRADE MARKS AND TRADE NAMES CONTAINED AND USED HEREIN ARE THOSE OF OTHERS, AND ARE USED HERE IN A DESCRIPTIVE SENSE TO REFER TO THE PRODUCTS OF OTHERS. Parts Manual 977 Traxcavator S/n 53A1 to 53A1906 CT-P-977TX53A1

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Page 1: Caterpillar 977 Traxcavator Parts Manual

Parts Manual

THIS IS A MANUAL PRODUCED BY JENSALES INC. WITHOUT THE AUTHORIZATION OF CATERPILLAR OR IT’S SUCCESSORS. CATERPILLAR AND IT’S SUCCESSORS ARE NOT RESPONSIBLE FOR THE QUALITY OR ACCURACY OF THIS MANUAL.

TRADE MARKS AND TRADE NAMES CONTAINED AND USED HEREIN ARE THOSE OF OTHERS, AND ARE USED HERE IN A DESCRIPTIVE SENSE TO REFER TO THE PRODUCTS OF OTHERS.

Parts

Man

ual

977 Traxcavator S/n 53A1 to 53A1906

CT-P-977TX53A1

Page 4: Caterpillar 977 Traxcavator Parts Manual

977 TRAXCAVATOR

HOW TO ORDER PARTS

Please be sure to furnish the quantity, part number and name of each part wanted. It is also important to give the serial 'lumber of the machine for which the parts are i-ntended. Location of serial number plates may be determined by refer­ring to the "Specifications" page of this parts book. It is suggested that you write the serial number of your machine in this space so that it will be readily available when you need it.

THIS PARTS BOOK FOR MACHINE SERIAL NUMBER

To insure prompt delivery, please don't overlook furnishing the correct name of the consignee, also the street address, town, county and state to which the parts are to be shipped, and indicate whether shipment is to be made by freight. express, parcel post or by other means.

WHERE TO ORDER PARTS

Caterpillar dealers maintain over 400 stores in the United States. and similar establishments are located strategically in nearly all countries throughout the world. These organizations are backed by the extensive facilities and resources of Caterpillar Tractor Co.

Dealer personnel are factory trained in the stocking and issuing of parts, and large stocks are constantly maintained· to insure prompt service. Contact your nearest Caterpillar dealer to make sure that he has your name and address. the corr,ect serial number of your machine, and an accurate list of accessories and attachments. This record will facilitate the issuance of parts when you need them in a hurry.

WHAT THE CATERPILLAR DEALER CAN DO FOR YOU Caterpillar dealers are in the business of making it economical and profitable

for you to own and operate Caterpillar machinery. They are in constant touch with the factory for new developments in repair and maintenance methods, operating procedures, and parts requirements. Their parts stocks are active and up-to-date. including all parts normally required to protect your investment in Caterpillar machinery.

Nearly ail Caterpillar dealers offer 24-hour emergency service. For quick reference. write the name and address of the local dealer on your desk pad or the front of your phone book.

ONLY CATER.PILLAR PARTS GIVE CATERPILLAR PERFORMANCE

The same quality and c·raftsmanship that has made Caterpillar products famous throughout the world is built into all Caterpillar replacement pads.

Page 5: Caterpillar 977 Traxcavator Parts Manual

IN D EX Diesel Engine

(Page 14) Name Page

Accessory Drive . . . . . . . . . . . . .. 63 Air Cleaner .................. 21 Belt Tightener . . . . . . . . . . . . . . .. 18 Breather .................... 19 Ca mshaft ................... 63 Connecting Rod .............. 62 Control-Compression Release .. 29 Control-Governor ........... 67 Crankshaft ................... 60 Crankshaft Bearings ........... 61 Cylinder Block and Covers ...... 42 Cylinder Head .......... . . . .. 30 Extension-Exhaust . . . . . . . . . . .. 29 Fan-Blower ................. 18 Filter-Fuel ............. . . . .. 70 Filter-Oil .................. 78 Flywheel . . . . . . . . . . . . . . . . . . . .. 61 Fuel Pump Housing. . . . . . . . . . .. 64 Fuel System . . . . . . . . . . . . . . . . .. 68

Name Page

Fuel Valve and Lines ........... 72 Governor ................... 64 Guard-Crankcase ............ 87 Manifold .................... 27 Oil Cooler-Engine and Torque

Converter ................. 73 Oil Filler .................. " 19 Oil Lines-Turbocharger ....... 25 Piston ...................... , 62 Pump-Oil .................. 80 Pump-Water .............. 16 Pump and Filter-Fuel Transfer .. 69 Radiator .................... 14 Service Meter ................ 67 Specifications ................ 344 Transfers .................... 343 Turbocharger ................ 23 Valve Mechanism ............. 30

Starting System (Page 88)

Air Cleaner. . . . . . . .. . ...... 107 Generator ................... 140 Battery and Wiring ............ 136 Governor. . . . . . . . . . . . . . . . . . .. 88 Brake ....................... 124 Ignition System ............... I 17 Camshaft ................... 88 Magneto .................... 118 Carburetor .................. I 13 Manifold.. . . . . . . . . .. i •....•. I O'~P\ Clutch ...................... 124 Oil Lines ..................... 106 Connecting Rod .............. 104 Piston ....................... 104 Control-Choke and Throttle .... I 19 Pump-Oil .................. 105 Control-Clutch and Brake ...... 121 Starter-Electric .............. 132 Control-Pinion .............. 121 Starter-Recoil ............... 129 Crankshaft ................... 102 Starter Pinion ................ 125 Cylinder Block and Covers ...... 98 Support ..................... 131 Cylinder Head ............... 94 Valve Mechanism ............. 94 Fuel System .................. I 15 Water Lines ................. 93

Transmission and Chassis (Page 140)

Brakes ...................... 176 Gauges ..................... 202 Case and Covers-Bevel Gear ... 162 Guard-Recoil Mechanism ..... 183 Clutch-Steering ............. 163 Hitch ...................... ,~I;~,2 Cconttroll-SRtang~ . ·C· " .. h' ....... 116547 Hood and Guard ............. tiP'S

on ro - eerlng ,ute ..... . C t I T .. 147 Hydraulic Booster-Steering on ro - ransmrssron ......... CI h Control-Transmission Hydraulic. 149 utc .................... 172 Final Drive ................... 180 Idler-Front ................. 184 Frame-Track Roller .......... 190 Instrument Panel .............. 202

Page 6: Caterpillar 977 Traxcavator Parts Manual

Transmission and Chassis-Continued Name Page Name Page

Lubrication System-Steering Roller-Track Ca rrier .......... 194 Clutch Booster ............. 174 Seat Cushions ................ 196

Lubrication System- Support-Fuel Tank and Seat .... 197 Transmission ............... 154 Support-Malin Frame ......... 182

Oil Cobler Lines-Torque " Torque Converter ............. 141 Converter ................. 144 Track ................... '" . 195

Plate-Floor and Lower Dash .... 200 Transmission-Power Shift ...... 152 Roller-Track ................ 192 Transmission-Range .......... 158

Hydraulic Control (Page 203)

Cylinder-Lift ................ 216 Lines-Cylinder .............. 215 Cylinder-Tilt ................ 217 Pump and Lines ............... 212 Hand Control ................ 218 Tank and Valve ................ 204

Traxcavator (Page 219)

Bucket ...................... 223 Kickout ..................... 224 Control-Bucket .............. 221 Positioner-Bucket ............ 223 Frame ...................... 219

Attachments (Page 225) .

Aid-Ether Starting ........... 237 Fork. . . . . . . . . . . . .. . ... : .. ·~.·276 Brake-Oil Steering ........... 248 Guard-Track Roller .... '; ... :\,.331 Bucket ...................... 260 Gusset Shoe ............. ~ ... 2.v 6 Bucket-Multi-Purpose ......... 263 Hook-Front Pull ............. 256 Bucket-Side Dump ........... 263 Hydraulic Arrangements ....... 294 Bucket Lines-Side Dump ....... 267 Installation-Muffler .......... 242 Bulldozer-Straight Blade .... 341 Installation Kit-Air Cleaner .... 240 Control-Choke and Throttle .... 247 Lighting System .............. 253 Conversion-Carburetor ....... 241 Lockring-Air Cleaner Element .. 241 Conversion-Field ............ 295 Oil System ................... 244 Conv~rsion-Separate Oil System-Turbocharger ..... 243

L\{~cication ................ 245 Pump-Fuel Priming ........... 250 Courff'$rweight ............... 331 Seal-Final Drive ............. 250 Cylinder-Lift ............... 293 Service Indicator-Air Filter .... 239 Cylinder-Log Fork ........... 273 Starter Pinion ................. 247 Decelerator .................. 252 Sta rti ng-Di rect Electric ....... 225 Drawbar-Swinging ........... 256 Teeth ....................... 257

'i.~xtension-Lift Arm .. , ....... ' 282 Tools, . ' .................... 341 ''11('

, Extension-Spill Plate ... , ...... 272 Top Clamp ., ......... , ...... 284 Fan-Reversible .............. 238 Track ....................... 332

Bulldozer (Page 335)

Blade .. " ..... , ............. 337 C-Frame .............. " .... 340 Brace ... , ....... , .. ,., .. , ... 338 Trunnion .................... 335 Bulldozer-Angling Blade ....... 336

Page 7: Caterpillar 977 Traxcavator Parts Manual

INDEX ALPHABETIQUE Moteur diesel

(Page 14) Designation Page

Alimentation en carburant. . . . .. 68 Arbre a cames. . . . . . . . . . . . . . .. 63 Bielles . . . . . . . . . . . . . . . . . . . . . .. 62 Bloc-cylindres ................ 42 Ca racteristiques .............. 344 Collecteurs .................. 27 Compteur d'entretien ......... 67 Coussinets de vilebrequin. . . . . .. 61 Culasse ..................... 30 Decompresseur (commande) .... 29 Echappement (rallonge) ........ 29 Entrainements secondaires . . . . .. 63 Filtre a air .................... 21 Filtre a carburant diesel. . . . . . .. 70 Filtre a huile de gra issage. . . . . .. 78 Injecteurs et tuyauterie .. , .. " .. 72 Instructions sur decalcomanies ... 343 Pistons ...................... 62 Pompe a eau ................. 16 Pompe a huile de graissage .... 80

Designation Page

Pompe d'alimentation et filtre de carburant ............. " 69

Pompe d'injection ............. 64 Protege-carter-moteur . . . . . . . .. 87 Radiateur ................... 14 Refrigerant d'huile de graissage

(moteur et convertisseur). . . . .. 73 Regulateur .................. 64 Regulateur (timonerie exterieure). 67 Reniflard .................... 19 Soupapes et train de commande. 30 T endeur de courroie ......... " 18 T ubulure de remplissage d'huile.. 19 T urbo-compresseur . . . . . . . . . . .. 23 T urbo-compresseur (tuyauterie

d'huile) . . . . . . . . . . . . . . . . . . .. 25 Ventilateur .................. 18 Vilebrequin .................. 60 Volant ...................... 61

Groupe de lancement (Page 88)

Alimentation en carburant. _ .... I 15 Demarreur electrique .......... 132 Allumage electrique ........... I 17 Dynamo ..................... 140 Arbre a cames ................ 88 Embrayage de lancement ....... 124 Batterie et installation electrique. 136 Filtre a air ................... 107 Bielles ...................... 104 Frein d'embrayage de lancement. 124 Bloc-cylindres ................ 98 Lanceur a main ............... 129 Canalisations d'eau ........... 93 Magneto .................... I 18 Canalisations de graissage ...... 106 Pig non de lancement ........... 125 Carburateur ................. I 13 Pistons ...................... 104 Carburateur (commandes) ...... I 19 Pompe a huile ................ 105 Collecteur .................... 107 Regulateur ................... 88 Commande de lancement Soupapes et train de commande. 94

(pignon, frein, embrayage) .... 121 Supports .................... 13 I Culasse ..................... 94 Vilebrequin .................. 102

Bati et organes de transmission (Page 140)

BSti arriere .................. 162 Demultipli~ateur .............. 158 Bolte de vitesses (graissage) ..... 154 Dispositif d'attelage ........... 182 Capot et protege-radiateur ..... 198 Embrayages de direction ....... 163 Chaines de roulement .......... 195 Embrayages de direction Chassis porteurs lateraux ........ 190 (commande) ................ 164 Commande de demultiplicateur .. 157 Freins ................. _ ..... 176 Commandes finales ............ 180 Galets inferieurs .............. 192 Convertisseur ................ 141 Galets superieurs ............. 194 Convertisseur (tuya uterie du I nstruments de bord ........... 202

refrigerant) ................ 144 Plate-forme (t6Ie) ............. 200

Page 8: Caterpillar 977 Traxcavator Parts Manual

Bati et orga.nes de transmission-Continue Designation Page

Roue AV .................... 184 Servo d'embrayages de direction. 172 Servo d'embrayages de direction

(circuits d'huile) ............. 174 Servo-transmission ............ 152 Siege (coussin) ................ 196 Support (siege et reservoir de

carburan~ ................. 197

Designation Page

Tableau d'instruments ......... 202 T endeur hydraulique (capot

protecteur) ................ 183 Traverse-support avant du

moteur .................... 182

Vitesses (commande) ........... 147 Vitesses (commande hydraulique). 149

Commande hydraulique (Page 203)

Canalisations de verin .......... 215 T ringlerie de commande ........ 218 Pompe hydraulique et tuyauterie. 212 Reservoir et valve selective ...... 204

Verins de levage .............. 216 Verins d'inclinaison ............ 217

Traxc:avator (Page 219)

Arret automatique de fin de Godet ...................... 223 levage .................... 224

Bati de I'appareil de levage ..... 219 Bras et bielles de godet ......... 221

Retour automatique a I'angle de coupe .................... 223

Acc:essoires (Page 225)

Anneau de verrouillage (filtre a air) ................. 241

Barre d'attelage oscillante ....... 256 Bras de relevage (rallonge) ...... 282 Bulldozer (lame droite) .......... 341 Carburateur (commandes) ...... 247 Carburateur (groupe de

transformation) ............. 241 Chaines de roulement .......... 332 Commandes hydrauliques ...... 294 Contrepoids ................. 33 I Crochet AV .................. 256 Decelerateur ................. 252 Demarrage electrique direct ..... 225 Dents ....................... 257 Dispositif d'injection d'e+her ..... 237 Filtre a air (groupe de montage) .. 240 Fourche de manutention ........ 276 Frein d'embrayage de direction

fonctionnant dans I'huile ...... 248 Godet ...................... 260 Godet a vidage latera I ......... 263 Godet a vidage lateral

(canalisations) .............. 267

Godet tous travaux ............ 263 Graissage ................... 244 Gra issage sepa re (g roupe de

montage) .................. 245 Griffe a rticulee (pour fourche) ... 284 Groupe de transformation ...... 295 Indicateur de colmatage

(filtre a air) ................. 239 Installation electrique .......... 253 Joint de barbotin .............. 250 Outillage .................... 341 Pig non de lancement ........... 247 Pompe d'amor<;age (carburant) .. 250 Pot d'echappement (groupe de

montage) .................. 242 Protege-galets ................ 33 I Reha usse de godet ......... ' ... 272 Support d'angle de fourche ..... 276 T urbo-compresseur (circuit

d'huile) .................... 243 Ventilateur reversible .......... 238 Verin de fourche de manutention .273 Verin de levage ............... 293

Bulldozer (Page 335)

Bulldozer (lame orientable) ...... 336 Tirant ....................... 338 Chassis en U .................. 340 T ourillons .................... 335 Lame . . .................... 337

Page 9: Caterpillar 977 Traxcavator Parts Manual

INDICE Motor Diesel

(Pagina 14) Nombre P.§gina Nombre

Ajustador de la Correa. . . . . . . .. 18 Filtro del Combustible ..... Biela ....................... , 62 Filtro y Bomba de Alimentaci6n ..

P.§gina

70 69 67 63 30 27 62 87 14 64 19 68

Bloque del Motory Tapas ....... 42 Hor6metro ................. . Bomba del Aceite. . . . . . . . . . . .. 80 Mando de Accesorios ......... . Bomba del Agua. . . . . . . . . . . . .. 16 Mecanismo de las Valvulas ..... . Caja de las Bombas del Multiple .................... .

Combustible ............... 64 Pist6n ...................... . Calcomanias ................. 343 Protecci6n del Carter ......... . Ciguerial .................... 60 Radiador ................... . Cojinetes de Bancada .......... 61 Regulador .................. . Control de la Desc0mpresi6n .... 29 Respiradero ................. . Control del Regulador .......... 67 Sistema del Combustible ...... . Culata ...................... 30 T uberias del Aceite del Eje de Levas ................. , 63 T urboalimentador ........... 25 Enfriador del Aceite-Motor y T ubo de L1enado del Aceite. . . .. 19

Convertidor de T orsi6n . . . . . .. 73 T urboalimentador ............. 23 Especificaciones .............. 344 Valvula y T uberias del Extensi6n del T ubo de Escape. . .. 29 Combustible ............... 72 Filtro de Aire ................. 21 Ventilador . . . . . . . . . . . . . . . . . .. 18 Filtro del Aceite .............. 78 Volante .................... , 61

Sistema de Arranque (Pagina 88)

Arranque Electrico ............ 132 Freno ....................... 124 Bateria y Alambrado ........... 136 Generador .................. 140 Biela ....................... 104 Magneto ............ . ...... I 18 Bloque del Motor y Tapas ....... 98 Mecanismo de Enrollado Bomba del Aceite ..... " ..... 105 Automatico para el Arranque .. 129 Carburador .................. I 13 Mecanismo de las Valvulas ...... 94 Ciguenal ............ . ... I 02 ~ultipdle A' .................... 107 Control de Estrangulaci6n y iri6n e rranque ............. 125

A I d I 19 Pist6n ....................... 104 ce era or ................ Rid 88

Control del Embrague y Freno ... 121 S egu a d ·1············· .....

Culata ...................... 94 S;~~:~~ d:1 ~~~~unsti'bl~: : : : : : : : : : ~ Eje de Levas. . . . . . . . . . . . . . . . .. 88 Soporte ..................... 13 I Embrague ................... 124 T uberias del Aceite ............ 106 Filtro de Aire ................. 107 T uberias del Agua ............. 93

Transmision y Chasis (Pagina 140)

Bastidor de Rodillos ............ 190 Convertidor de T orsi6n ......... 141 Caja y Tapas de la Corona ...... 162 Embrague de Direcci6n ......... 163 Cap6 y Protecci6n ............ 198 Enganche .................... 182 Carril ....................... 195 Frenos ...................... 176 Cojines del Asiento ............ 196 i nstrumentos ................. 202 Control de Alta y Baja Mando Final ................. 180

Velocidades ............... 157 Plancha del Piso e Inferior del Control de Embrague de T ablero ................... 200

Direcci6n .................. 164 Protecci6n del Mecanismo de las Control de la T ransmisi6n ....... 147 Ruedas T ensoras ............ 183 Control Hidraulico de la Reforzador Hidraulico de

Transmisi6n ................ 149 Embrague de Direcci6n ....... 172

Page 10: Caterpillar 977 Traxcavator Parts Manual

Tra,nsmision y Chasls-Continuacion Nombre Pagina

Rodillo Inferior ............... 192 Rodillo Superior ......... , .... 194 Rueda Guia .................. 184 Servo-T ransmisi6n ............. 152 Sistema de Lubricaci6n de la

T ransmisi6n ................ 154 Sistema de Lubricaci6n-

Nombre Pagina Soporte del Bastidor Principal ... 182 Soporte del T anque del

Combustible y Asiento ....... 197 Tablero de Instrumentos ........ 202 T ransmisi6n de Alta y Baja

Velocidades .......... : .... 158

Reforzador de Embrague de Direcci6n .................. 174

T uberias del Enfriador del Aceite del Convertidor de T orsi6n .... 144

Control Hidraulico (Pagina 203)

Bomba y Tubos ............... 212 Control Manual ., ............ 218 Cilindro de Inclinaci6n ......... 217 Tanque y Valvula .............. 204 Cilindro de Izamiento .......... 216 Tubos del Cilindro ............. 215

Traxcavator (Pagina 219)

Bastidor ..................... 219 Desenganche Automatico ...... 224 Control del Cuchar6n .......... 221 Ubicador del Cuchar6n ......... 223 Cucha r6n ................... 223

Accesorios (Pagina 225)

Abrazadera Curva ............ 276 Abrazadera Superior .......... 284 Anillo de Traba-Elemento del

Filtro de Aire ............... 241 Arranque Electrico Directo ...... 225 Barra Gi ratoria ............... 256 Bomba de Cebado del

Combustible ............... 250 Bulldozer de Hoja Recta ........ 341 Carril ....................... 332 Conjuntos Hidraulicos ......... 294 Cilindro de Izamiento .......... 293 Cilindro de la Horqueta

Maderera ................. 273 Contra peso .................. 33 1 Control de Estrangulaci6n y

Acelerador ................ 247 Conversi6n del Carburador ..... 241 Conversi6n-Lubricaci6n por

Separado ................. 245 Conversi6n pa ra Fuera de la

Fabrica ................... 295 Cucha r6n ................... 260 Cuchar6n de Descarga Lateral ... 263

Cuchar6n de Uso Multiple ...... 263 Decelerador ............ : .... 252 Dientes ............ · ......... 257 Extensi6n del Brazo de Izamiento. 282 Extensi6n-Placa de Derrame .... 272 Freno-Embrague de Direcci6n .. 248 Gancho Delantero ............ 256 Herramientas ................ 341 Horquilla .................... 276 Indicador de Servicio-Filtro de

Aire ...................... 239 I nstalaci6n del Silenciador ...... 242 Inyector de Eter ............... 237 Pin6n de Arranque ............ 247 Protecci6n de Rodillos ......... 331 Repuesto-Filtro de Ai re ....... 240 Sello del Mando Final .......... 250 Sistema de Alumbrado ......... 253 Sistema del Aceite ............. 244 Sistema del Aceite del

T urboalimentador ........... 243 T uberias del Cuchar6n de

Descarga Lateral ........... 267 Ventilador Reversible .......... 238

Bulldozer {Pagina 335}

Bastidor: "U" .. " .......... , .. 340 Mui16n .................... , .335 Bulldozer Angulable ........... 336 Tirante ...................... 338 Hoja ....................... 337

Page 11: Caterpillar 977 Traxcavator Parts Manual

, INDICE Motor diesel

(Pagina 14) Nomenclatura Pagina Nomenclatura Pagina

Arrefecedor do 61eo do motor e Filtro do 6leo ................. 78 do conversor de torque. . . . . .. 73 Filtro principal do combustlvel ... 70

Arvore de comando das valvulas. 63 Hor6metro .................. 67 Arvore de manivelas Mancais principais do motor ..... 61

(virabrequim) . . . . . . . . . . . . . .. 60 ~s~~~nis.m~ . ~~~ .v.a.l~ul~~: : : : : : :: ~~ Biela . . . . . . . . . . . . . . . . . . . . . . .. 62 P t t d / t 87 BI d t t 42 ro e or 0 car er ............ .

oco 0 mo or e ampas....... P Of ° d d 21 Bocal de enehimento de 6leo. . .. 19 uri Ica or ear ............. . B b d ' / 16 Radiador .......... ' ........ " 14

om a a 9 u a . . . . . . . . . . . . . . . . Rid d I 0 d d 64 Bomba de 6leo .............. " 80 Regu. a or e ve OCI a e....... 19 Bomba de transferencia do esplro .................... .

Sistema de alimenta<;ao do combustlvel . . . . . . . . . . . . . . .. 69 b Y I 68

Caixa das bombas injetoras ..... 64 com us Ive ............... . Cole+or ..................... 27 TTebnsord dads correias. . . . . . . . . . .. 2'98 C d d / . 63 u 0 e esca rga ............ .

oman 0 e acessorlos. . . . . . . . . T ubos de 61eo do Contr61e da descompressao. . . .. 29 Contr61e do regulador de turbocompressor ........... , 25

I 'd d ( I d ) 67 T urbocompressor ............. 23 ve OCI a e ace era or ..... . Culatra (cabe<;ote) ............ 30 Valvulas injetoras e tubos ....... 72 Decalcomanias ............... 343 Ventilador ................... 18 Especifica<;oes ........... 344 Volante do motor .............. 61

Sistema de partida (P6gina 88)

Acelerador e afogador ......... 1 19 Gerador .................... 140 Arvore de comando das valvulas. 88 Magneto .................... I 18

Mecanismo das valvulas ....... , 94 Mecanismo retractil do cabo de

partida ................... 129 MOl'or eletrico de arranque ..... 132 Pinhao de partida ............. 125 Pistao ...................... 104 Purificador de ar ............. 107 Regulador de velocidade ....... 88 Sistema de a limenta<;ao do

Contr61e da embreagem e freio .. 121 b I I d h com ustlve ................ 1 15 Contr6 e 0 pin ao ............ 121 Sistema de igni<;ao ............ I 17 Culatra (cabe<;ote) ............ 94 Suporte ..................... 13 I Embreagem .................. 124 Tubos d'agua ................ 93

Arvore de ma n ivelas (virabrequim) ............... 102

Bateria e fios ................. 136 Biela ....................... 104 Bloco do motor e tampas. . . . . .. 98 Bomba de 6leo ................ 105 Ca rburador .................. I 13 Coletor ..................... 107

Freio ....................... 124 T ubula<;oes do 6leo ......... 0 •• 106

Sistema de transmissao e chassi (Pagina 140)

Almofadas do assento .......... 196 Contr61e das embreagens de Arma<;ao dos roletes de esteira .. 190 dire<;ao ................... 164 Caixa da coroa e tampas ....... 162 Contr61e das marchas auxiliares .. 157 Caixa das marchas auxiliares ..... 158 Contr61e das marchas principais .. 147 Caixa planetaria de mudan<;as ... 152 Contr61e hidraulico das marchas .. 149 Ca p6 e protetor .............. 198 Conversor de torque ........... 141 Chapa do assoalho e inferior do Embreagem de dire<;ao ......... 163

painel ..................... 200 Engate ...................... 182 Comando final ............... 180 Esteira ...................... 195

Page 12: Caterpillar 977 Traxcavator Parts Manual

Sistema de transmissao e chassi-ContinuCl§oo Nomenclatura Pagina

Freios ....................... 176 1 ndicadores .................. 202 Painel de instrumentos .......... 202 Protetor do mecanismo retradil .. 183 Reforc;:ador hidraulico das

embreagens de direc;:ao ....... 172 Roda-guia ................... 184 Rolete inferior ................ 192 Rolete superior ............... 194

Nomenclatura Pagina Sistema de lubrificac;:ao das

caixas de mudanc;:as .......... 154 Sistema de lubrificac;:ao do

reforc;:ador das embreagens de direc;:ao ................... 174

Suporte do assento e do tanque de combustlvel ............. 197

Suporte do chassi .............. 182 T ubulac;:oes do a rrefecedor do

conversor de torque ......... 144

Comando hidraulico (Pagina 2(3)

Bomba e tubulac;:oes ............ 212 Contrale manual ............ 218 Cilindro de inclinac;:ao .......... 217 Reservat6rio e valvulas ......... 204 Cilindro de levantamento ....... 216 Tubulac;:oes dos cilindros ........ 215

Assentador automatico da

Traxcavator (Pagina 219)

Chassi ...................... 219 cac;:amba .................. 223 Limitador automatico da

Brac;:os da cac;:amba ............ 221 Cac;:amba ................... 223

elevac;:ao .................. 224

Acessorios (Pagina 225)

Acelerador e afogador ......... 247 Ferramentas ......... 341 Aro de travamento do Freio a 6leo. . ....... 248

purificador ................ 241 Gancho dianteiro ............. 256 Arranjos hidraulicos ........... 294 Garfo ............... 276 Barra de trac;:ao oscilavel ........ 256 Garra superior ............... 248 Bomba manual de purgac;:ao do Indicador de limpeza do

combustlvel ................ 250 purifjcador de ar ............ 239 Cac;amba .. , .............. , .. 260 Injetor de Mer ................ 237 Cac;:amba de Despejo Lateral .... 263 Lamina de empuxo normal ...... 341 Cac;:a mba m ulti-util ............ 263 Pa rtida elMrica di reta .. ' ...... 225 Cantoneira do garfo de toras .... 276 Pinhao de partida ............. 247 Cilindro de levantamento ....... 293 Protetor dos roletes inferiores ... 331 Cilindro para garfo de toras ..... 273 Purificador de ar-j6go de Contra peso .................. 331 instalac;:ao ................. 240 Conversao do carburador ....... 241 Silenciador-instalac;:ao ........ 242 Conversao para lubrificac;:ao Sistema de iluminac;:ao. . ....... 253

independente .............. 245 Sistema de lubrificac;:ao ......... 244 Conversoes no campo .......... 295 Sistema de lubr'ificac;ao do Decelerador ................. 252 tu rbocompressor ............ 243 Dentes de cac;:amba ............ 257 T ubulac;:oes da Cac;:amba de Esteira .... . ............. 332 Despejo Lateral ............. 267 Extensao do para-terra ......... 272 Vedador dos comandos finais .... 250 Extensao dos brac;:os elevadores .. 282 Ventilador reverslvel ........... 238

lamina de empuxo (Pagina 335)

Armac;:ao "e" ................ 340 Munhao ..................... 335 Lamina ...................... 337 Tirantes ..................... 338 Lamina de emouxo anoulavel .... 336

Page 13: Caterpillar 977 Traxcavator Parts Manual

INHALTSVERZEICHNIS Dieselmotor

(Seite 14) Bezeichnung Seite

Abziehbilder Auspuffroh rverla ngerung

.. 343 29 29 18 72 19

Dekompressionshebel 0 •• 0

Lufter Einspritzventile und Leitungen 0 • 0

Entlufter Gasgestange . 0 0 .0.0.0' •• 67 Kolben 00 •••• o. 62 Kraftstoffanlage . 0 0 0 .0' •••• 68 K raftstoffi I'~e r Kraftstofforderpumpe und Filter 0

Kraftstoffpumpengehause 0'" 0 •

Krummer 0 • 0 0 •• 0 0 ••• 0 0

Kuhlernetz 0 •• 0 ••

70 69 64 27 14 87 Ku rbelgeha usesch utz

Kurbellager Kurbelwelle

o •••• ' 61

Luftreiniger 60 21

Bezeichnung Seite

Motorblock und Deckel ... 0 •• 0 42 Motor- und WandlerOlkuhler 0 • • •• 73 Nockenwelle o. 0 •••• 0 ••• 0 •• 0 " 63 Oleinfullstutzen 0 0 •• 0 0 ••••• 0 ••• 63 Pleuel . 0 0 0 0 ••• 0 •• 0 0 " 62 Regier 0 0 0 • 0 0 0 0 •••• 0 0 • 0 0 64 Riemens~anner 0.0.0 000 ••••• 18 Schmier ilter . 0 •• 0 0 • 0 ••••••• " 78 Schmierpumpe 0.............. 80 Schwungscheibe .. 0 •••• 0 •••••• 61 Steuerantrieb . 0 •• 0 •••• 0 ••••• 0 63 T echnische Daten . 0 0 •• 0 ••••• 0 .344 T urbolader 0 0 0 0 0 •••• 0 •• 0 ••• o. 23 T urboladerolleitungen ......... 25 Ventilsteuerung .... o •••••• 0 ••• 30 Wartungsmesser .... 0 • 0 •••••• 0 67 Wasserpumpe 0 0 • 0 • • • • • • • • •• 16 Zylinderkopf 0 ••••••••• 30

Startanlage (Seite 88)

Anlasser, elektrisch Anlassritzel

o 0 • 132 Luftreiniger .. 0 0 0 0 0 ••• 0 0 •••••• 107 o 125 Nockenwelle . . . . . . .. 88

Anreisstarter 0 129 Olpumpe 0 105 Auf han gun 9 . I 3 1 Pie u e I . 0 0 0 0 0 • • • • • • • • • • • • • • • • • I 04 Batterie und Verkabelung 0 j 36 Regier. 0 • 0 0 •••••••••••••••• 88 Bremsen 0 0 0 • 0 0 • 0 ••••••••••• 124 Schmierleitungen ............. 106 Gashebel- und Startermotorblock und Deckel. o. 98

Luftklappengestange 0 • 0 1 19 Kolben 0 0 0 •• 104 Kraftstoffanlage . 0 • • o. O. 0 .115 Krummer 0 0 0 •• 0 • 0 0 107 Kuppiung .... 124 Kupplungs· und Bremsgestange i 2 1 Kurbelwelle .... 0 • 0 0 •••• 0 • 0 ••• 102

StarterrJtzelgestange . 0 • 0 •• 0 0 0 • 121 Ventilsteuerung 0 • • • • ••• 94 Vergaser 0 • 0 • • • 0 ••• 0 0 • I 13 Wasserleitungen 0 •• 0 0 0 0 0 " 93 Zundanlage . 00 •••• 0 0 o ••• I 17 Zundmagnet 0 ••• 0 0 •••• I 18

Lichtmaschine '00", 0 •• 0 0 •• 0 •• 140 Zylinderkopf . 0 •• 0 0 ••• 0 •••• 0 •• 94

Getriebe und Laufwerk (Seite 140)

Anhangekupplung .. 0 • 0 0 0 •• 0 • 0 • 182 Getriebeschmierung 0 0 •• 0 • 0 o. 0 154 Armaturen 0 0 0 00 •• , o. 00 •••• 202 Hauptrahmenaufhangung ... 0 •• 182 Bodenplatten und Feuerwand 0 0 •• 200 Instrumentenbrett 0'" 0 0 0 •• 0 0 • 202 Bremsen . 0 ••• 0 •• 0 0 •• 0 ••• 176 L fk tt 195 D h dl I au e e 0 0 0 ••• 0 ••••• 0

E~da~~:bntwan o~~ • :.00: :: : :: :~O Lauffrollekn h o. 0 ••• 0 0 • 0 0 • 192 Fahrersitz- und Lau wer ra men . 0 • o ••• 190

Kraftstofftankunterbau 0 197 Leitrad 0 0 • 0 ••• 0 • 184 Getriebehydraulikorgane 0 • 149 Lenkkupplungen .... 0 0 • 163 hptr;phpcrh""I+r1pc+;;nnp 1.0:1. 7 I ~nL.L-, ,~~1. 'n~~~~~.j.:': __ ~ I LA

Page 14: Caterpillar 977 Traxcavator Parts Manual

Getriebe und Laufwerk-Fortgesetzt Bezeichnung Seite Bezeichnung Seite

Motorhaube und Verkleidung .... 198 Stutzrollen ................... 194 Power-Sh ift Getriebe .......... 152 Schmiersystem der Servo-

S ~ufengetriebe ............... 158

Lenkkupplungen ............ 174 Stufengetriebeschaltung ....... 157

Servohydraulik der T ellerradgehause und Deckel .... 162

Lenkkupplungen ............ 172 Sitzpolster ................... 196

Verkleidung der KeHenspanner .. 183 Wandler-Olkuhlerleitungen ..... 144

Hydraulikanlage (Seite 203)

Ha ndsteuerhebel ............. 218 Pumpe und Leitungen .......... 212 H ubzylinder ................. 216 Tan k und Steuerventile ......... 204 Kippzylinder ................. 217 Zylinderleitungen ............. 215

Traxcavator (Seite 219)

Schaufel ..................... 223 Schaufelgestange ............. 221 Schaufelausschaltung .......... 224 Tragrahmen .................. 219 Schaufeleinsteller ............. 223

Zubehor (Seite 225)

Atherstarthilfe ............... 237 Lufter, umkehrbar A I d · kt I kt' h 225 Mehrzweckschaufel nasser, Ire e e rlsc ...... .

......... 238 .... 263

Auspufftopfeinbau ............ 242 Ollenkbremsen ... 248 Austa uschteile fur Gas- und Querplan ierschild ............. 341

Luftklappengestange ........ 247 Schaufel ..................... 260 Beleuchtungsanlage ........... 253 SchaufeluberlaufplaHe ......... 272 Eckzwickel fur Ladegabeln ....... 276 Schmiersystem ............... 244 Einbaugruppe Luftreiniger ...... 240 Seitenkippschaufel ....... 263 Endantriebsdichtung ........... 250 Seitenkippschaufelleitungen ..... 267 Feldumba ug ruppe ............ 295 Sicherungsring des Luftfilters .... 241 Frontzughaken ................ 256 Starterritzel .................. 247 Gasreduzierpedal ............. 252 T urbolader-Schmiersystem ...... 243 Gegengewicht ............... 331 Umbaugruppe fur Haltdeklammer ................ 284 Schmiersystemtrennung ...... 245 Han einspritzpumpe .......... 250 V b 241 H I I d b I 276 ergaserum augruppe ........ .

o z a ega e ................ Wa rtungsa nzeige des Luftfilters .. 239 Hubarmverlangerung .......... 282 W k I Hubzylinder .................. 293 er zeuge .................. 34 Hydraulikanordnungen ......... 294 Zahne ...................... 257 LaufkeHe .................... 332 Zughaken, unstarr ............. 256 Laufrollenschutz .............. 331 Zylinder der Rundholzgabel ..... 273

Planiereinrichtung (Seite 203)

Montagezapfen . . . ... . ..... 335 Strebe ...................... 338 Planierschild, winkelbar ........ 336;;;:, U-Rahmen ................... 340 Schild ....................... 337