INJECTION PUMP
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 5D-29
4. Continue moving the plunger on hand pump/primer up and down repeatedly until
resistance is felt. This should have filled the fuel injection pump.
However, should the engine not start and it becomes necessary to purge air from the fuel
injection pump, proceed as follows.
NOTE: Place suitable container under fuel filter and injection pump to catch excess fuel.
5. Bleed air from Water Separating Fuel Filter.
6. Loosen bleed screw on injection pump.
7. Move plunger on hand pump/primer up and down repeatedly, until an air free stream of
fuel flows from bleed screw.
71371
a
b
c
a-Injection Pump
b-Bleed Screw
c-Expelled Fuel
8. Close bleed screw on injection pump. Tighten securely.