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 TM 10-3930-660-24-2
FRONT HOUSING AND COVER MAINTENANCE - CONTINUED
0280 00
ASSEMBLY
CAUTION
If a new housing is installed, the timing pin assembly must be accurately located. Failure to do so could
result in improper timing adjustment.
1.
If removal was necessary, install cover plate (21) and new gasket (22) onto back of gear housing and retain with two
capscrews (23).
2.
If removal was necessary, install dataplate (19) onto gear housing (9) and retain with two drive screws (20).
3.
Install new O-ring (18) into housing (14).
4.
Install timing pin (15) into housing (14).
5.
Install retaining ring (17) into housing (14).
6.
Install new rectangular ring seal (16) into housing (14).
INSTALLATION
1.
Install new gasket (10) and gear housing (9) into cylinder block (11). Install two capscrews (5) and five short capscrews
(6). Torque capscrews to 6 lb-ft (8 Nm).
2.
Install camshaft and timing gear (WP 0278 00).
3.
Install timing pin (15) and housing (14) onto gear housing (9) as an assembly. Install two capscrews (13) finger tight.
4.
Hold pin (15) in and engage hole in camshaft gear to ensure proper alignment. Torque capscrews (13) to 48 lb-in. (5
Nm).
5.
Pull timing pin (15) out of camshaft gear.
6.
Install fuel injection pump (WP 0224 00 or WP 0225 00).
CAUTION
Lips of seal and seal surface on crankshaft should be clean and free of oil prior to installation. Failure to
clean surfaces could cause oil to leak at seal.
NOTE
If new seal is installed, perform steps 7 thru 13.
If old seal is re-used, perform step 14.
7.
If new seal (12) is to be installed, install cover (7) and new gasket (8) onto housing (9) and retain with eight capscrews
(5) and eleven short capscrews (6). Install capscrews in locations noted at disassembly. Do not tighten capscrews at this
time.
8.
Install alignment/installation tool from seal kit onto crankshaft end and into seal bore in gear cover (7) to align cover (7)
with crankshaft end.
9.
Torque capscrews (5 and 6) to 6 lb-ft (8 Nm).
10.
Apply a bead of loctite to outside of new seal (12).
11.
Press new seal (12) and seal pilot onto crankshaft end.
12.
Remove seal pilot from new seal (12).
13.
Use alignment/installation tool included in seal kit to drive seal to correct depth in cover (7) bore.
14.
If old seal (12) is to be re-used, install seal pilot from seal kit into inside diameter of old seal (12) to protect lips of old
seals (12) during installation.
0280 00-3
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