ARMY TM 9-6115-670-14&P
6-30
6.13. IDLE GEAR.
This task covers: a. Test
b. Replace
INITIAL SETUP
Tools
General Mechanic's Tool Kit
(Item 1, Appendix B)
Shop Equipment
Special Use Puller Set
(Item 9, Appendix B)
Dial Indicator
(Item 36, Appendix B)
Equipment Conditions
Gear case removed (para 6.12.).
Materials/Parts
Idle Gear
TEST
a. Set up a dial indicator with its tip on the idle gear (1, Figure 6-10).
b. Measure side clearance by moving idle gear to the front and rear.
c. If side clearance is beyond 0.0236 in. (0.60 mm), replace idle gear or idle gear shaft (para
6.21.).
REPLACE
a. Remove external snap ring (3) and collar (2).
b. Use special use puller set to remove gear (1).
c. Install idle gear, ensuring that marks (4) on all gears are aligned (sheet 2).
d. Secure idle gear with collar (2) and snap ring (3).
NOTE
When performing this procedure, also check camshaft
gear (para 6.17.), injection pump gear (para 6.19.), and
crankshaft gear (para 6.20.).
