Air Valve RKCA55 Standard Carburetor IMPCO Repair Kits
Brand Name:IMPCO
Model Number:RK-COBRA
Minimum Order Quantity:24
Delivery Time:8 weeks
Payment Terms:T/T
Place of Origin:USA
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Hefei Anhui China
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IMPCO RK-CA55 , Model CA55 Carburetor Repair Kit , Standard Air
Valve
CA55 Standard Carburetor/MixerREPAIR 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-55 repair kit instructions will provide the
technician information to successfully repair the CA55 Carburetor.
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 carburetor/mixer being
serviced.
REBUILD INSTRUCTIONS Disassembly
1. Remove the carburetor from the engine, then remove 4 screws
(Sl-3) holding throttle body to mixer bowl.
2. Remove the throttle body. Note that the gasket retains idle
cutoff piston in place (shown under finger tip).
Note: Not all 55 Series Carburetors are equipped with the cutoff
piston.
3. Remove the gasket which will release the Idle cutoff piston and
spring.
4. Remove the check valve plate and air valve spring. Lift the
air/gas valve from mixer bowl.
5. Clean the mixer bowl assembly in safety solvent. Do not use
carburetor cleaner as it will attack synthetic rubber seals.
Reassembly
1. The RK-CA55 kit includes:
• AV1-14925 Air/Gas Valve Assy (RK-55-2 kit supplies the AV1-14926
“lean” valve.)
• AP2-14700 Plate, Check Valve Assy
• P4-1 Piston, Idle Cutoff
• S2-44 Spring, Idle Cutoff
• S1-3 Screws (4), 10-24 x 5/8”
• G1-92 Gasket
• PPI-55 Repair Kit Instructions
2. Place the air/gas valve assembly in the mixer bowl.
3. Place the air/valve spring and check valve plate in the mixer
bowl.
4. This illustration shows the mixer bowl assembled with the check
valve assembly centered towards air horn. The idle cutoff piston
and spring are shown in place ready for assembly to the mixer bowl.
5.Place the gasket on the throttle body retainingthe idle cutoff
piston in its recess (under thumb,as shown in the illustration).
6.While holding the gasket and idle cutoff pistonin place, turn the
throttle body over. Note cutoutof the gasket designed to clear the
check valveassembly on plate.
7.Lower the throttle body gently onto the mixerbowl making sure
idle cutoff piston does notescape from its recess. Once the
throttle body isflush on the mixer bowl, align the holes and
startthe 4 screws.
8.Tighten 4 screws to 30 in lbs (3.4 N•m)
Air Valve RKCA55 Standard Carburetor IMPCO Repair Kits
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