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TM 10-3930-659-34
5-15. FRONT AXLE YOKE, INPUT QUILL, AND PINION SHAFT MAINTENANCE (Cont).
6
Measure length (26) of tooth pattern (25).
7
Tooth pattern (25) must start 0.12-0.52 in. (3.05-13.21 mm) from toe end of bevel pinion (23).
WARNING
Prussian blue dye is poisonous and can burn skin on contact. Always wear protective goggles
and gloves, and use only in a well-ventilated area. Overexposure to Prussian blue dye can cause
serious heart and skin problems, dizziness, and unconsciousness if not handled properly.
8
Apply a light coat of Prussian blue dye to several
teeth of ring gear (24).
9
Roll bevel pinion (23) and ring gear (24) back
and forth six times to obtain good tooth contact
pattern (25).
10
. Repeat steps 8 and 9 in three locations, 1200
apart. If tooth pattern (25) is still not within
specification, add or delete shims as necessary
(see paragraph 5-17).
11
. Clean Prussian blue dye from bevel pinion (23)
and ring gear (24).
12
. Apply a light coat of lubricating oil to teeth of
bevel pinion (23) and ring gear (24).
13
. Install differential cover (see paragraph 5-17).
FOLLOW-ON TASKS:
Install front axle assembly (see paragraph 4-47).
5-151
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