TM 5-3825-230-14&P
5-18. CROWN GEAR REPLACEMENT.
This task covers:
a. Removal
b. Cleaning/Inspection
c. Installation
INITIAL SETUP
Tools
Equipment Condition
Tool Kit, General Mechanic's; Automotive,
TM or Para
Condition Description
Para 5-17
Flywheel removed.
Shop Equipment, Machine Shop; Field
Maintenance, Basic, Less Power
WARNING
Unsafe torching practices can cause serious injury from fire, explosions, or harmful gasses.
Allow only authorized personnel to heat metals. Protective clothing, gloves and goggles must be
worn. Adequate protective equipment must be used. A suitable fire extinguisher must be kept
near by, and requirements of TM 9-237 strictly followed.
a.
Removal
CAUTION
When heating crown gear, be careful
not to heat flywheel or damage to
equipment may result.
(1)
Heat crown gear (1) evenly on all sides
using a torch.
(2)
Remove crown gear (1) by tapping using
a hammer and drift.
b.
Cleaning/inspection. Check crown gear for
chipped or missing teeth and cracks. Replace if
necessary.
c.
Installation.
(1)
Heat crown gear (1) evenly on all sides
using a torch.
(2)
Install crown gear (1) using a hammer and
drift.
NOTE
Follow-on
maintenance:
Install
flywheel (para 5-17)
END OF TASK
5-38
