TM-9-2320-280-34
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1996
TM-9-2320-280-34 - Page 73 of 1258
3 - 6 . CRANKSHAFT PULLEY REPLACEMENT
This task covers:
a.
Removal
b.
Installation
a. Removal
1.
Loosen four capscrews (3) connecting crankshaft pulley (1) to torsional damper (2).
NOTE
• Perform steps 2 and 3 for vehicles with 6.2L engines only.
• Perform steps 4 and 5 for vehicles with 6.5L engines only.
2.
Remove power steering belts (TM 9-2320-280-20).
3.
Remove four capscrews (3) and crankshaft pulley (1) from torsional damper (2).
4.
Remove serpentine belt (TM 9-2320-280-20).
5.
Remove four capscrews (3), mud shield (4), crankshaft pulley (1), and spacer (5) from torsional
damper (2).
INITIAL SETUP:
To o l s
____
General mechanic's tool kit:
automotive (Appendix G, Item 1)
M a t e r i a l s / P a rt s
_____________
Sealing compound (Appendix B, Item 53)
Manual Refere n c e s
________________
TM 9-2320-280-10
TM 9-2320-280-20
TM 9-2320-280-24P
TM 9-2815-237-34P
Equipment Condition
_________________
Hood raised and secured (TM 9-2320-280-10).
Maintenance Level
_______________
Direct support
b. Installation
NOTE
• Perform steps 1 through 4 for vehicles with 6.2L engines only.
• Perform steps 5 through 8 for vehicles with 6.5L engines only.
1.
Apply sealing compound to four capscrews (3).
2.
Install crankshaft pulley (1) on torsional damper (2) with four capscrews (3).
3.
Install power steering belts (TM 9-2320-280-20).
4.
Tighten four capscrews (3) to 48 lb-ft (65 N
•
m).
5.
Apply sealing compound to four capscrews (3).
6.
Install spacer (5), crankshaft pulley (1), and mud shield (4) on torsional damper (2) with four
capscrews (3).
7.
Install serpentine belt (TM 9-2320-280-20).
8.
Tighten four capscrews (3) to 48 lb-ft (65 N
•
m).
TM 9-2320-280-34
3 - 1 4
Change 1
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