Section05FUELSYSTEM
Subsection 01 (CARBURETOR)
Replace filter if damaged.
F01F0YA
1
TYPICAL
1. Filter
Fuel Accelerator Pump
Disconnect inlet and outlet hoses from accelerator
pump nipples.
F06F06A
1 2
TYPICAL
1. Fuel inlet hose
2. Fuel outlet hose
Using the pump gauge tester (P/N 295 000 114),
perform the following test proceeding as follows:
– Install pump gauge tester on inlet nipple of ac-
celerator pump.
– Obstruct outlet nipple with a finger and hold
while pumping.
– Pump tester until it reaches 28 kPa (4 PSI).
F06F07A
213
1. Pump gauge tester
2. Hose installed to inlet nipple
3. Outlet nipple obstructed
Diaphragm no. 10 must stand pressure for 10 sec-
onds. If pressure drops, replace accelerator pump
diaphragm.
Verify accelerator pump check valves operation as
follows:
Connect a clean plastic tubing to the valve inlet
nipple and alternately apply pressure and vacuum.
The check valve should release with pressure and
hold under vacuum.
WARNING
Some fuel may be present in fuel pump.
F06F08A
1
TYPICAL
1. Apply pressure and vacuum at inlet nipple
To check the injector, install the pump gauge
tester (P/N 295 000 114) to the injector hose.
smr2005-052 89
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