rp-500 ½- 1. modification overview production of the rp500 began in 2007 and is current. production...

RP-500 RP-500 ½”- 1” ½”- 1”

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Page 1: RP-500 ½- 1. Modification Overview Production of the RP500 began in 2007 and is current. Production of the RP500 began in 2007 and is current

RP-500RP-500½”- 1”½”- 1”

Page 2: RP-500 ½- 1. Modification Overview Production of the RP500 began in 2007 and is current. Production of the RP500 began in 2007 and is current

Modification OverviewModification Overview

Production of the RP500 began in 2007 Production of the RP500 began in 2007 and is current.and is current.

Page 3: RP-500 ½- 1. Modification Overview Production of the RP500 began in 2007 and is current. Production of the RP500 began in 2007 and is current

Single Access Cover RemovalSingle Access Cover Removal

The cover is spring The cover is spring loaded and sealed by loaded and sealed by the diaphragm.the diaphragm.

**Hold cover firmly while **Hold cover firmly while removing 6 screws.removing 6 screws.

Page 4: RP-500 ½- 1. Modification Overview Production of the RP500 began in 2007 and is current. Production of the RP500 began in 2007 and is current

Check Valve RemovalCheck Valve Removal

Modules are o-ring Modules are o-ring sealed and secured sealed and secured by a retainer.by a retainer.

Slide retainer straight Slide retainer straight out of the body.out of the body.

Modules can be Modules can be removed by hand or removed by hand or with a flat with a flat screwdriver.screwdriver.

Page 5: RP-500 ½- 1. Modification Overview Production of the RP500 began in 2007 and is current. Production of the RP500 began in 2007 and is current

Disassemble Check ValveDisassemble Check Valve

The check modules The check modules are not designed to are not designed to be disassembled.be disassembled.

If there is a problem If there is a problem with the seat, spring, with the seat, spring, disc or guide, the disc or guide, the module must be module must be replaced.replaced.

Page 6: RP-500 ½- 1. Modification Overview Production of the RP500 began in 2007 and is current. Production of the RP500 began in 2007 and is current

Check Valve Reassembly NotesCheck Valve Reassembly Notes

Reassemble in Reassemble in reverse order.reverse order.

Apply lubricant to Apply lubricant to o-rings.o-rings.

If check retainer does If check retainer does not slide into place not slide into place easily, make sure easily, make sure checks are seated checks are seated properly.properly.

Page 7: RP-500 ½- 1. Modification Overview Production of the RP500 began in 2007 and is current. Production of the RP500 began in 2007 and is current

RV Stem RemovalRV Stem Removal

The RV stem and The RV stem and spring are situated spring are situated between the check between the check valves and are free valves and are free once the single once the single access cover is access cover is removed.removed.

Page 8: RP-500 ½- 1. Modification Overview Production of the RP500 began in 2007 and is current. Production of the RP500 began in 2007 and is current

RV Seat RemovalRV Seat Removal

Unless damaged, Unless damaged, there is no need to there is no need to remove the seat.remove the seat.

The seat is pushed The seat is pushed firmly into the body firmly into the body and is o-ring sealed.and is o-ring sealed.

Page 9: RP-500 ½- 1. Modification Overview Production of the RP500 began in 2007 and is current. Production of the RP500 began in 2007 and is current

RV Stem DisassemblyRV Stem Disassembly

Remove the screw at Remove the screw at the top of the stem.the top of the stem.

Remove the upper Remove the upper plate, diaphragm and plate, diaphragm and lower plate.lower plate.

** An o-ring is located ** An o-ring is located under the bottom under the bottom plate on the stem.plate on the stem.

Page 10: RP-500 ½- 1. Modification Overview Production of the RP500 began in 2007 and is current. Production of the RP500 began in 2007 and is current

RV Stem DisassemblyRV Stem Disassembly

The RV disc is on the The RV disc is on the lower stem and held lower stem and held in place by the stem in place by the stem fin guide.fin guide.

** The stem fin guide is ** The stem fin guide is not removable.not removable.

The RV disc must be The RV disc must be pulled out from pulled out from around the guide.around the guide.

Page 11: RP-500 ½- 1. Modification Overview Production of the RP500 began in 2007 and is current. Production of the RP500 began in 2007 and is current

RV Stem ReassemblyRV Stem Reassembly

Make sure ridge on Make sure ridge on diaphragm is facing diaphragm is facing down.down.

Lubricate the upper Lubricate the upper stem o-ring.stem o-ring.

** Do not over tighten ** Do not over tighten the RV screw.the RV screw.

Page 12: RP-500 ½- 1. Modification Overview Production of the RP500 began in 2007 and is current. Production of the RP500 began in 2007 and is current

Reassembly NotesReassembly Notes Make sure sensing line Make sure sensing line

o-ring is in place.o-ring is in place. The RV stem will insert The RV stem will insert

through the hole of the through the hole of the retainer and the spring retainer and the spring will rest on top of the the will rest on top of the the retainer.retainer.

The diaphragm ridge The diaphragm ridge must line up with the must line up with the groove on the body and groove on the body and

covercover..

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