FUEL SYSTEM
CS-600
36
4-12 Inspecting diaphragm
1. Inspect metering diaphragm (A) for hardening,
distortion, or pin hole. Replace as required.
2. Remove pump cover (B), pump diaphragm (C)
and pump gasket (D).
3. Inspect pump diaphragm (C) and replace if
hardened or curled at valve tabs.
4. Inspect metering gasket (E) and pump gasket (D)
and replace if defective.
5. Inspect inlet screen (F) if blocked, remove and
clean it, or replace.
6. Clean fuel passages in carburettor body with
compressed air.
NOTE:
Before cleaning metering side with com-
pressed air, turn “H” needle clockwise until lightly
seated and remove inlet needle valve. Otherwise,
main nozzle check valve and inlet needle valve
spring may be damaged by the compressed air.
NOTE:
When cleaning pump side with compressed
air, take care not to blow inlet screen (F) away.
A
B
C
D
E
F
To Next Page
Loading...
Need help?
General
