TM-9-2520-246-34
TRANSMISSION MODEL 3052, NSN 2520-00-347-4520
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL
MAY 1978
TM-9-2520-246-34 - Page 31 of 153
TM 9-2520-246-34
Table 2-2.05. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
POWER TAKEOFF MODEL P-136-C
1. GREASE OR LUBRICANT LEAKS.
Inspect power takeoff for leaking seals and gaskets.
Step 1. Replace seals. (Refer to para 5-26 and 5-27.)
Step 2. Replace gaskets. (Refer to para 5-26 and 5-27.)
2. FAULTY OPERATION, POOR ENGAGEMENT, OR NO ENGAGEMENT.
Test 1.
Test 2.
Test 3.
Test 4.
Test 5.
Test 6.
Inspect sliding clutch for burs, cracks, breaks, broken teeth, missing sections, and galling.
Replace sliding clutch. (Refer to para 5-26b and 5-27e.)
Inspect bearings for binding. looseness, scraping, galling, grinding, and binding.
Replace all takeoff bearings. (Refer to para 5-26 and 5-27.)
Check output shaft for breaks, cracks, burs, galling, bends, and broken pieces.
Replace output shaft. (Refer to para 5-26 and 5-27.)
Check shifter shaft for breaks, cracks, twists. bends, and broken pieces.
Replace shifter shaft. (Refer to para 5-26b and 5-27e.)
Inspect pump assembly for breaks, cracks, galled surfaces, and stripped threads.
Replace pump assembly. (Refer to para 5-26b and 5-27e.)
Inspect housing for cracks, breaks, galling, oversize or out-of-round bearing bores. stripped threads,
missing parts, broken sections, and irregular surfaces.
Replace housing. (Refer to para 5-26 and 5-27.)
2-14
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