TM-9-2815-205-24

6V53/6V53T ENGINES, DIESEL WITH CONTAINERS; MODEL 5063-5299, MODEL 5063-5392, MODEL 5063-5393 AND MODEL 5063-539L

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE

FEBRUARY 2013
TM-9-2815-205-24

  TM-9-2815-205-24 - Page 91 of 856

REPAIR OR REPLACEMENT - Continued
Ball Bearings
1.
Replace all galled, pitted, or damaged ball bearings and any that do not conform to tolerances specified
in (WP 0106).
2.
See TM 9-214 for maintenance of bearings.
Studs
1.
Replace all bent or loose studs or studs showing evidence of stretching.
2.
Repair minor thread damage with a thread chaser.
3.
Remove and replace studs as outlined in Steps 4 and 5 below.
4.
Removal:
a.
Using stud extractor, back studs out slowly to avoid heating and possible seizure.
b.
When studs are broken off too short to use stud extractor, drill stud and extract with an easy out
remover.
c.
Short studs may also be removed by welding a bar or nut to stud and removing with a wrench.
5.
Replacement:
a.
Only standard studs are supplied for replacement in steel or cast iron castings.
b.
Unless threads in casting are damaged beyond repair, use standard studs.
c.
If threaded openings are damaged and retapping will not clean up threads, drill and tap opening in
casting and install a threaded insert.
Gears
NOTE
Studs may have a coarse thread on one end and a fine thread on the other end. The
coarse threads on both ends are used in particular applications and normally the short
coarse threaded end is in the aluminum casting. All replacement studs have a special
coating and must have a small amount of mica-base antiseize compound MIL-PRF-907
applied on the threads before the studs are installed in casting. Thread replacement stud
into opening slowly to prevent overheating.
1.
Replace all gears that are cracked, worn, pitted, galled or do not conform to tolerances specified
in (WP 0106).
2.
Remove sharp fins and burrs from gear teeth with crocus cloth dipped in cleaning solvent.
Bushing and Bushing Type Bearings
1.
When bushings and bushing type bearings are damaged or worn beyond specified limits (WP 0106),
generally associated parts must also be replaced. Reference to Steps (2) and (3) below will be made in
Chapter 3 for the particular part in which replacement of bushings and bushing type bearings is required.
2.
Removal:
Remove bushing and bushing type bearings by pressing out with a suitable arbor press or with special
tools provided. (Refer to (WP 0104) for listing of special tools and equipment).
3.
Installation:
TM 9-2815-205-24
0009
0009-5


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