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Home ProductsIMPCO Repair Kits

Color Coded Diaphragm PPI 36 Regulator Repair Kit

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Color Coded Diaphragm PPI 36 Regulator Repair Kit

Color Coded Diaphragm PPI 36 Regulator Repair Kit
Color Coded Diaphragm PPI 36 Regulator Repair Kit

Large Image :  Color Coded Diaphragm PPI 36 Regulator Repair Kit

Product Details:
Place of Origin: USA
Brand Name: IMPCO
Model Number: RK-COBRA
Payment & Shipping Terms:
Minimum Order Quantity: 24
Price: Depending on quantity
Packaging Details: carton
Delivery Time: 8 weeks
Payment Terms: T/T
Supply Ability: 1200pcs per 8weeks
Detailed Product Description
Product Name: Repair Kit Part Number: RK-COBRA
Brand: IMPCO Diaphragm: Color Coded
High Light:

PPI 36 Regulator Repair Kit

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Color Coded Diaphragm Regulator Repair Kit

IMPCO RK-COBRA , Cobra Regulator Repair Kit , Diaphragms Are Color Coded , Different Performance Characteristics
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-36 repair kit instructions will provide the technician information to successfully repair the Cobra regulator vaporizer. 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. The fluorosilicone (blue) diaphragm material provides excellent high and low temperature durability with increased chemical resistance and is the only diaphragm used in the Cobra converter.
 
REBUILD INSTRUCTIONS
Color Coded Diaphragm PPI 36 Regulator Repair Kit 0
1. Under normal conditions, installation of a complete RK-COBRA kit should be necessary only at the time of a major engine overhaul or when the converter has been out of service for an extended period some time. Each kit includes the necessary gaskets, diaphragms, seals and some replacement screws.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 1
2. Remove the 6 screws (2) from the secondary cover assembly (3).
Note the type and size of the screws removed and be sure the same screws are used in the same locations during reassembly.
The repair kit may include additional screws to replace any screws found damaged.
Color Coded Diaphragm PPI 36 Regulator Repair Kit 2
3. Loosen the secondary cover (3) by tapping around the circumference with a plastic screwdriver handle.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 3
4. Remove the secondary cover (3) and secondary diaphragm (4) as a unit. Note the secondary lever (6) protruding through the metal tab slot of the secondary diaphragm (4). Slide the cover and diaphragm forward to free the lever from the slotted tab of the diaphragm. Take care not to bend the lever.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 4
5. This photo shows the secondary cover (3) and diaphragm (4) removed and their orientation to the secondary lever (6).
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 5
6. Remove the screw (5) retaining the secondary lever fulcrum pin (7).
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 6
 
7. Remove the secondary lever (6) and fulcrum pin (7) and retain the fulcrum pin. Remove the secondary spring (9) and retain
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 7
8. Turn the converter over. Remove the seven screws (20) and lift off the primary cover (19).
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 8
9. Remove the primary diaphragm (18).
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 9
10. Remove the body plate (14) and gasket (12) from the body (10). Remove the “E” clip (17) from the primary valve pin (13). Remove the spring (16).
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 10
11. Turn the plate over and remove the primary valve pin (13). Remove the gasket (12) from the cover plate.
Clean covers, body and metal parts as necessary with a safety solvent as needed and allow to dry prior to reassembly. Do not use harsh solvents such as brake or carburetor cleaner on any of the non-metallic components as they will damage the material.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 11
12. Insert the new primary valve pin (13) into the cover plate orifice from the top (body side) as shown.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 12
13. Holding the valve pin (13) in place, turn the body plate (14) over. Place the valve pin spring (16) over the valve pin with the larger diameter end of the spring resting against the plate. Compress the spring and secure it in place by installing the “E” ring (17) retaining clip to the valve.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 13
14. Install new gasket (12) making sure to align the small holes in the gasket to the matching holes in the plate (14).
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 14
15. Set new primary diaphragm (18) on the body (10). Screw hole spacing prevents improper orientation of the diaphragm.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 15
16. Carefully place the primary cover (19) over the diaphragm (18). Hand-thread the screws (20) through the cover and plate (14) into the body (10).
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 16
17. Tighten the screws (20) and torque to 37-43 in-lb. (4.2-4.9 N•m) using a crisscross pattern.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 17
18. Push the nose of the new secondary seat (8) through the hole in the end of the new secondary lever (6).
Color Coded Diaphragm PPI 36 Regulator Repair Kit 18
19. Assemble the secondary valve components removed during disassembly. Slide the fulcrum pin (7) through holes in the secondary lever (6) as shown in the photo.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 19
20. Set the secondary spring (9) on its seat on the body (10), then position the secondary lever (6) and fulcrum pin (7) assembly on top of the secondary spring (9). Push down until the fulcrum pin seats and hold in place.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 20
21. Insert screw (5).
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 21
22. Tighten screw to 29-35 in-lb. (3.3-4.0 N•m). Check the secondary lever height. Using a straight edge, the end of the secondary lever should 1/32" (0.794 mm) below the casting level.
NOTE: If the lever must be bent, remove from the body, bend, reinstall and check height. Bending the lever while installed may result in damage to the seat.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 22
23. Align the secondary diaphragm (4) to the secondary lever (6) as shown. The end of the lever must protrude through the tab slot on the bottom of the new diaphragm after installation. The screw hole spacing prevents improper positioning of secondary diaphragm.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 23
24. Add the secondary cover (3) and install the previously removed screws (2).
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 24
25. Tighten the screws (2) in a crisscross pattern and torque to 29-35 in-lb. (3.3-4.0 N•m) to complete the installation of the repair kit components.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 25
26. Apply 100 psi of air pressure to the inlet side of the regulator and test for leaks. Draw a soap bubble across the regulator outlet to verify that no air is flowing through the outlet. If air escapes, the rebuild has failed and the regulator must be replaced. Actuate the primer button (found on early models) and the soap bubble should burst and air flow should be noted at the converter outlet. Use soap and/or a commercial leak detector solution to inspect the gasket seals around the perimeter of the converter for leaks. If leaks are found, the regulator must be replaced. If no leaks are found, the regulator can be reinstalled and returned to service.
 
Color Coded Diaphragm PPI 36 Regulator Repair Kit 26

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