TM 5-3805-280-24-2
Removal and Installation
2. Rotate injection pump drive hub (B) until marks on
drive hub and pointer (A) are aligned.
NOTE: It may be necessary to rotate pump hub slightly to
allow JDG886 Injection Pump Timing Pin (E) to
enter bearing plate.
3. Thread JDG886 Timing Pin into drive hub as shown,
and tighten until it bottoms against bearing plate (D).
4. Install a new O-ring (C) on bearing plate (D). Lightly
04
0400
lubricate O-ring with AR54749 Soap Lubricant to aid in
15
pump installation, and prevent O-ring damage.
5. Install injection pump using forward pressure and slight
rocking motion to work O-ring into mounting bore.
Injection pump flange should seat solidly against
cylinder block.
6. Install mounting stud nuts and tighten.
Mounting Stud Nut--Specification
Torque ............................................................................. 70 Nm (52 lb-ft)
7. Install drive gear on pump drive hub, positioning gear
A--Pointer
so mounting screws are approximately centered in
B--Drive Hub
mounting slots.
C--O-Ring
D--Bearing Plate
E--JDG886 Injection Pump Timing Pin
Continued on next page
TX,04,UU3876
1918SEP982/6
13-15
