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

  TM-9-2520-246-34 - Page 27 of 153

TM 9-2520-246-34
Table 2-2.02. Troublshooting
(Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. REAR OUTPUT SHAFT DOES NOT TURN OR TURNS ERRATICALLY WHEN INPUT SHAFT
TURNS (LOW RANGE).
Test 1. Refer to malfunction 3, test 1.
Test 2. Check low range input gear for missing or broken gear teeth, broken-out section(s), or
missing pieces.
Replace low range input gear. (Refer to para 4-5p, 4-6c, 4-7d, and 4-8b.)
Test 3. Inspect low range counter gear for broken or missing gear teeth, broken-out section(s), or
missing pieces.
Replace low range counter gear. (Refer to para 4-5p, 4-6b, 4-7f, and 4-8b.)
Test 4. Check driven output gear for broken or missing gear teeth, broken-out section(s)
or missing pieces.
Replace driven output gear. (Refer to para 4-5k, 4-6a, 4-7g, and 4-8g.)
7. REAR OUTPUT SHAFT DOES NOT TURN OR TURNS ERRATICALLY WHEN INPUT SHAFT
TURNS (HIGH SELECTION).
Test 1. Refer to malfunction 3, test 1.
Test 2. Check high range input gear for missing teeth,
cracks, breaks, missing section(s), and
missing pieces.
Step 1. Replace high range input gear. (Refer to para 4-5p, 4-6c, 4-7d, and 4-8b.)
Step 2. Replace countershaft. (Refer to para 4-5p, 4-6b, 4-7f, and 4-8b.)
Test 3. Inspect high range counter gear for missing teeth, cracks,
breaks, missing section(s), and
missing pieces.
Step 1. Replace high range counter gear. (Refer to para 4-5p, 4-6b, 4-7f, and 4-8 b.)
Step 2. Replace countershaft. (Refer to para 4-5p, 4-6b, 4-7f, and 4-8b.)
Test 4. Check drive output clutch for missing teeth, cracks, breaks, missing section(s), and missing pieces.
Step 1. Replace drive output clutch. (Refer to para 4-5h and 4-8j.)
Step 2. Replace countershaft. (Refer to para 4-5p, 4-6b, 4-7f, and 4-8b.)
8. FRONT OUTPUT SHAFT DOES NOT TURN OR TURNS ERRATICALLY WHEN INPUT SHAFT
TURNS (LOW OR HIGH RANGE).
Test 1. Refer to malfunctions, 4 or 5.
Test 2. Inspect front output shaft for cracks, breaks, shearing, twists, and deformities.
Replace front output shaft. (Refer to para 4-5h and 4-8j.)
2-10


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