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TM 10-3930-638-24&P
3-5. ENGINE MAINTENANCE (cont)
f. Tachometer Drive (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
REMOVAL (cont)
1
a. Tachometer drive
Remove
Turn counterclockwise and lift from
(cont)
cover
tachometer drive
b. Tachometer drive
Install
Turn clockwise on tachometer drive
removal tool
threads
c. Removal tool nut
Tighten
Use open end wrench. Turn nut clockwise
as shown until tachometer drive is pulled
from engine
d. Tachometer drive
Remove
Turn counterclockwise and lift from
removal tool
tachometer drive
CLEANING
WARNING
Dry cleaning solvent (P-D-680), used to clean parts is toxic and
flammable. Wear protective goggles and gloves and use only in a
well ventilated area. Avoid contact with skin, eyes, and clothes
and don’t breathe vapors. Do not use near open flame or
excessive heat and don’t smoke when using it. Failure to do so
could cause serious injury. If you become dizzy while using
cleaning solvent, get fresh air immediately, and get medical
attention. If contact with skin or clothes is made, flush with large
amounts of water. If contact with eyes is made, wash eyes with
water immediately, and obtain medical aid immediately.
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