INJECTION PUMP
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 5D-23
Fuel Injection Pump Timing
Checking
On completely assembled and/or installed engines, and for the purpose of checking fuel
injection pump timing refer to instructions previously outlined and accomplish steps, in that
section, dealing with installation of crankshaft tool, graduated disc, positioning of crankshaft
and removal of parts to gain access to rear of fuel injection pump and vent screw.
Setting
1. Establish that the engine is on TDC of the Number One Cylinder.
2. Remove vent screw and sealing washer from rear of injection pump.
NOTE: Pump shown removed for visual clarity.
75409
a
b
a-Injection Pump
b-Vent Screw With Sealing Washer
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