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TWO-STAGE REGULATOR REPAIR KIT INSTRUCTIONS
Important: Any maintenance, service or repair
should be performed by trained and
experienced service technicians. Proper tools
and equipment should be used to prevent
injury to the servicing technician, property or
system components. Service repairs should
always be performed in a safe environment
and the technician should always wear
protective clothing to prevent injury.
The IMPCO PPI-2 repair kit instructions will
provide the technician information to
successfully repair the model E and PE
regulators. Always inspect the major casting
pieces for damage, corrosion or cracks before
attempting a service repair. Be sure the repair
kit part number you are using is correct for the
regulator being serviced. Diaphragms are
color coded and have different performance
characteristics:
BLACK: Hydrin diaphragm material is the
standard material and is well suited for the
most common applications.
YELLOW: Silicone diaphragm material is the
optional upgrade material that provides
excellent flexibility in cold weather climates
and is more resistant to chemical
contamination.
BLUE: Fluorosilicone diaphragm material
provides excellent high and low temperature
durability with increased chemical resistance.
This material is recommended for turbo
applications.
Part #
RK-E
RK-E-2 Repair Kit Model E, w/Silicone Diaphragm
RK-E-3 Repair Kit Model E, Fluorosilicone Diaphragm
RK-PE Repair Kit Model PE, Hydrin Diaphragm
RK-TE Repair Kit Model E, Turbo w/Silicone Diaphragm
November, 2014
MODEL E & PE SERIES
REPAIR KIT PART NUMBERS
Repair Kit Model E, Hydrin Diaphragm
IMPCO Technologies Inc.
3030 South Susan St.
Santa Ana, CA 92704
www.impcotechnologies.com
Model E Two Stage Regulator
Do not use Teflon tape to seal any fuel fittings.
Failure to follow this warning may cause the
regulator to leak internally, that may cause
serious injury and/or property damage.
Description
3030 S Susan Street, Santa Ana, CA 92704
Ph: +1 714 656 1200 Fax: +1 714 656 1400
PPI-2 REV. J
Page 1 of 16
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Summary of Contents for Impco E Series
- Page 1 The IMPCO PPI-2 repair kit instructions will provide the technician information to successfully repair the model E and PE regulators. Always inspect the major casting pieces for damage, corrosion or cracks before attempting a service repair.
- Page 2 Cover, Primary Diaphragm (Later Model) S2-13 (NSS) Spring, Primary Regulator EB (2) AD1-15* (NSS) Diaphragm Assy, Primary P1-11* (NSS) Pin, Primary Valve AB1-20A-10307-001 (NSS) Body, Regulator E Series G1-37* (NSS) Gasket, Regulator Body F3-1* (NSS) Sponge S4-7* (NSS) Seat, Primary...
- Page 3 2. Model PE Only (Skip for E): Remove the spring retainer housing cover screws (27) and cover (28). Remove the housing gasket (29) and secondary spring (7). November, 2014 IMPCO Technologies Inc. PPI-2 REV. J 3030 South Susan St. Page 3 of 16 Santa Ana, CA 92704...
- Page 4 (5). Early Models Only (Skip to Step 9 for later models): 6.Loosen the screw (10) retaining the fulcrum pin (8). PPI-2 REV. J IMPCO Technologies Inc November, 2014 3030 South Susan St. Page 4 of 16 Santa Ana, CA 92704...
- Page 5 (25) holding the fulcrum pin (8). Remove fulcrum pin (8). 10. Remove the lever and seat assembly (5 & 6). E Only: Remove Spring (7). November, 2014 IMPCO Technologies Inc. PPI-2 REV. J 3030 South Susan St. Page 5 of 16 Santa Ana, CA 92704...
- Page 6 13. Remove the primary valve pin (14) as shown by the tip of the pen. 14. Remove the last two fillister screws (10). PPI-2 REV. J IMPCO Technologies Inc November, 2014 3030 South Susan St. Page 6 of 16 Santa Ana, CA 92704...
- Page 7 18. Tap the side of the cover (22) firmly with the handle of the screw driver to break the cover loose from the gasket (21). November, 2014 IMPCO Technologies Inc. PPI-2 REV. J 3030 South Susan St. Page 7 of 16 Santa Ana, CA 92704 www.impcotechnologies.com...
- Page 8 21. The pen indicates the recess cast in the body (19) to retain the sponge (17). Be sure to accurately install the sponge in the recess. PPI-2 REV. J IMPCO Technologies Inc November, 2014 3030 South Susan St. Page 8 of 16 Santa Ana, CA 92704 www.impcotechnologies.com...
- Page 9 24. Replace the primary valve pin (14). 25. The new primary diaphragm assembly (13) is ready to be put into place. November, 2014 IMPCO Technologies Inc. PPI-2 REV. J 3030 South Susan St. Page 9 of 16 Santa Ana, CA 92704...
- Page 10 35-45 in-lbs. (4.0-5.1 Nm). Torque the two inner screws (9) to 22-28 in-lbs. (2.5-3.2 Nm). Skip to Step 35. PPI-2 REV. J IMPCO Technologies Inc November, 2014 3030 South Susan St. Page 10 of 16 Santa Ana, CA 92704...
- Page 11 Early Models Only (Skip to Step 35 for Later Models) 33. Replace the secondary lever (5) and insert the fulcrum pin (8). November, 2014 IMPCO Technologies Inc. PPI-2 REV. J 3030 South Susan St. Page 11 of 16 Santa Ana, CA 92704...
- Page 12 36. Lightly pull the lever (5) up against the secondary seat for measuring. Use a straight edge or the IMPCO G2-2 gauge to check the lever height. The secondary lever link pin should be approximately 1/32” (0.8mm) below the level of the body casting.
- Page 13 41. Replace the secondary diaphragm (4) engaging the slotted link to lever pin shown. November, 2014 IMPCO Technologies Inc. PPI-2 REV. J 3030 South Susan St. Page 13 of 16 Santa Ana, CA 92704...
- Page 14 25-35 in-lbs. (2.8-4.0 Nm). 45. PE Only (Skip for E): Place the secondary spring (7) on the secondary diaphragm (4) perch. PPI-2 REV. J IMPCO Technologies Inc November, 2014 3030 South Susan St. Page 14 of 16 Santa Ana, CA 92704...
- Page 15 Verify or reset final outlet pressure for adjustable PE units. If no leaks are found, the repair is now complete. November, 2014 IMPCO Technologies Inc. PPI-2 REV. J 3030 South Susan St. Page 15 of 16 Santa Ana, CA 92704...
- Page 16 COMBUSTION ENGINES AND GAS TURBINE ENGINES, TO THE EXTENT THESE STANDARDS ARE NOT IN VIOLATION WITH FEDERAL, STATE OR LOCAL LAW. FAILURE TO ABIDE BY THE ABOVE WILL VOID ANY IMPCO WARRANTY ON THE PRODUCTS AND MAY CAUSE SERIOUS INJURY OR PROPERTY DAMAGE.
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