t04 hydrostatic steering systems
TRANSCRIPT
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Version 2.11 10/11/2005
4. HYDROSTATIC STEERING SYSTEMS
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Open Centre Steering System
42
1
3
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Open Centre Hyr!st"ti# Steering M!t!r C!mp!nents
2
$
T%
R
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Open Centre Steering System & Ne'tr"( Oi( )(!*
Suction Reservoir ReturnLow Pressure Trapped Oil
4
2
1
+
,
-
3
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Open Centre Steering System & Rigt T'rn Oi( )(!*
Suction Reservoir ReturnSteering Pressure
4
2
1
+
,
-
3
T
$
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Open Centre Steering System & M"n'"( Oper"ti!n
Suction Reservoir ReturnSteering Pressure
4
2
1
+
,
-
3
T
$
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Open Centre Steering System
42
1
+
,
-
3
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C(!se Centre Steering System
4
21 3
-
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C(!se Centre Hyr!st"ti# Steering M!t!r C!mp!nents
1
2
4
3-
+
+
2
%S$
T
%
R
A
C
E
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C(!se Centre Steering S#em"ti# & Ne'tr"(
http://w04.%20hss%20%20workbook.ppt/
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Steering M!t!r Intern"( Oi( )(!*s
%ST
%
R
$
%S
T %
R$
%S
M
%S
D
T
R
%
$
%S
M
M
C
A
Pump Oil
Load Sensing
Metered Oil
Reservoir Return
GG
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Hyr!st"ti# Steering M!t!r Oi( )(!* & Ne'tr"(
Pump Oil
Load Sensing
Trapped Oil
Reservoir Return%ST
CC OC
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Hyr!st"ti# Steering M!t!r Oi( )(!* & Rigt T'rn
Metered Oil Flow
Reservoir Return
Pump Oil Flow
Load Sensing
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Hyr!st"ti# Steering M!t!r Oi( )(!* & %et T'rn
Pump Oil Flow
Load Sensing
Metered Oil Flow
Reservoir Return
http://../Present%20Workbooks/04.%20HSS%20%20Workbook.ppt
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C(i# $i#t're t! r'n "nim"ti!n
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R!t!r 5 Dri6e %in *it M"ster Sp(ines
N! R!t!r Timing Neee
R!t!r 5 Dri6e %in *it!'t M"ster Sp(ines
R!t!r Timing Re7'ire
R!t!r Timing
Tigtening
Se7'en#e
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4
4
2
1
3
1
4
2 3
%
Steering M!t!r Oi( Se"( Rep("#ement
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C(!se Centre Steering 8it $ri!rity 9"(6e : Ne'tr"(
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Steering $ri!rity 9"(6e & Steering St"n;y
Pump Pressure Oil
Load Sensing Line
Steering Standby 7 bar
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C(!se Centre Steering System 8it $ri!rity 9"(6e & Rigt T'rn
+
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Steering $ri!rity 9"(6e & Steering
Steering Pressure Oil
Load Sensing Pressure
Hydraulic Circuit Pressure
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Steering $ri!rity 9"(6e & Steering O6er(!"
Steering Pressure Oil
Load Sensing Pressure
Hydraulic Circuit Pressure
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C(!se Centre Steering System S#em"ti#
http://w04.%20hss%20%20workbook.ppt/