Assembling The Fuel Pump; Checking The Fuel Joint - Yamaha E60HWD Service Manual

Assembling the fuel pump

NOTE:
Clean the parts and soak the valves and the
diaphragms in gasoline before assembly to
obtain prompt operation of the fuel pump
when starting the engine.
1. Install the check valves 1 onto the fuel
pump body.
1
2. Install new gaskets 2, the diaphragms
3, and covers 4.
4
2
3
NOTE:
Make sure that the gaskets and diaphragms
are kept in place through the assembly
process.
69D5G11

Checking the fuel joint

1. Visually check the fuel joint for cracks or
2. Connect the special service tool at the
3. Apply the specified pressure to check
1
6F640040
2
3
4
69D40050
damage.
outlet of fuel joint.
that the pressure is maintained for 10
seconds. Replace the fuel joint if neces-
sary.
Vacuum/pressure pump gauge set:
90890-06756
Specified pressure:
50 kPa (0.5 kgf/cm
Fuel pump
1
2
3
4
5
2 , 7.3 psi)
6
7
8
9
4-12