INJECTION PUMP
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 5D-17
4. Being careful not to disturb shaft alignment, remove nuts temporarily installed to rotate
shaft.
5. Apply Perfect Seal sealant to a new injection pump gasket.
6. Install new gasket on pump mounting studs.
7. Ensure pump gear upper keyway is positioned approximately as shown.
70768
a
b
c
a-Gasket
b-Pump Mounting Studs
c-Pump Gear Upper Keyway
8. Install injection pump key in pump shaft keyway. Apply heavy grease to hold key in
position.
9. Ensure the key is positioned properly.
IMPORTANT: Do NOT drop key into engine. If key is dropped into engine the key must
be removed before operation of the engine.
10. Insert pump shaft into gear, being careful not to dislodge key. Do NOT turn pump shaft
from 11 o’clock position. Rotate pump body in slotted holes to align key with gear slot.
11. Install pump to cylinder block hex nuts with flat washers and lockwashers. Temporarily
only finger-tighten the nuts.
12. Remove gear puller tool. Make certain key is in position.
13. Using a new lockwasher, secure gear to shaft with hex nut. Torque nut to 88 Nm (64 lb-ft).
14. Using new O-ring in groove, install and securely tighten injection pump gear cover on
timing cover.
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