FUEL SYSTEM - N3
Fig. N.4.
Fuel lift pump cover removal
2.
Clean the sediment chamber and check the
pulsator diaphragm for condition. Renew if
necessary.
3.
Refit the pulsator diaphragm and cover. Tighten
the securing screw just sufficiently to make a
tight sealing joint.
4.
Vent the fuel system as detailed on Page N.14.
To Remove the Pump
1.
Disconnect the pipes from the inlet and outlet
ports. Seal the ends of the pipes to prevent the
entry of dirt, etc.
2.
Remove the two setscrews securing the pump to
the cylinder block and withdraw the pump and
joint.
To Dismantle the Pump
1.
Before dismantling, clean the exterior of the
pump and make a file mark across the two
flanges for guidance in re-assembling in the
correct positions.
2.
Remove the six securing screws and spring
washers and separate the two halves of the
pump.
3.
Remove the diaphragm from the lower half of
the body by unhooking it from the rocker arm
link. The diaphragm spring can now be
withdrawn from the body.
4.
Drive out the rocker arm pivot pin from the body
and withdraw the rocker arm, rocker arm spring
and link from the body.
5.
Dismantle the priming lever from the body by
removing the lever retaining pin and withdrawing
the lever and spring from the body.
Fig. N.5.
Exploded view of Fuel Lift Pump.
1.
Pulsator Cover Screw.
8.
Valve Gasket
15.
Link.
2.
Pulsator Cover Washer.
9.
Valve Assembly.
16.
Rocker Arm Pin.
3.
Pulsator Cover.
10.
Diaphragm Assembly.
17.
Primer Pin.
4.
Pulsator Diaphragm.
11.
Diaphragm Spring.
18.
Primer.
5.
Cover Screw.
12.
Body.
19.
Sealing Ring.
6.
Cover Screw Washer.
13.
Rocker Arm Spring.
20.
Primer Spring.
7.
Cover.
14.
Rocker Arm.
