 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|
 TM 10-3930-638-24&P
4-2. ENGINE MAINTENANCE (cont)
h. Timing Gear Cover (cont).
REMARKS
ACTION
ITEM
STEP
LOCATION
CLEANING (cont)
Clean
All parts
Use cleaning solvent P-D-680. Dry thor-
6
oughly with moisture free compressed
air or clean cloth
Idler gear (11) and
Inspect
Inspect gear for damage, distortion, and
7
missing or broken teeth. Check gear
bushing (12)
teeth for pitting. If any of these condi-
tions observed replace gear and bushing
as an assembly. Use bore gage and mea-
sure inside diameter of idler gear bushing.
Measure bore gage using micrometer. If
bushing inside diameter is more than
1.377 inches, replace gear and bushing
as an assembly
8
Inspect
Idler gear hub (13)
Inspect for cracks, pitting, and distortion.
Replace if any of these conditions ob-
served. Use micrometer and measure
outside diameter of hub shaft. Diame-
ter must be not less than 1.3740 inches;
replace part if diameter is less than this
dimension
Timing gear
Inspect
Inspect for cracks and distortion; replace
9
cover (27)
if cracked or distorted. Check threads on
studs (28 and 29) for damage; if threads
are damaged or if studs bent replace studs.
Replace stud (28) by driving it out of
cover using soft hammer, insert new stud
in cover, install 3/8-16 nut, and tighten
nut to draw stud into mounting hole.
Remove nut. Replace stud (29) by
unscrewing it and installing new stud
10
All other parts
Inspect
Check for cracks, damage, and distortion;
replace part if any of these conditions
observed
INSTALLATION
Crankshaft
Oil slinger (31)
Install
11
On end of crankshaft. Cupped surface
toward crankshaft gear. Align notch on
oil slinger with keyway on crankshaft
Change 1
4-64
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals