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 20 of 153

TM 9-2520-246-34
Table 2-2.01. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TRANSMISSION MODELS 3052 AND 3053A
NOTE
If possible, make external and operational inspection in accordance with TM 9-
2320-209-20/1 before disassembling transmission.
1. LUBRICANT LEAKING FROM TRANSMISSION.
Test 1. Inspect transmission thoroughly for source of transmission leakage.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Test 2. Inspect
Step 1.
Step 2.
Test 3. Inspect
Step 1.
Step 2.
Disassemble transmission as required. (Refer to para 3-8, 3-9, and 3-12.)
Replace all seals. (Refer to para 3-8, 3-9, and 3-12.)
Replace all gaskets. (Refer to para 3-8, 3-9, and 3-12.)
Assemble transmission (to complete assembly). (Refer to para 3-10, 3-11, and 3-12.)
Fill transmission with lubricant. (Refer to LO 9-2320-209-12 gasoline or LO 9-2320-209-
12/1 multifuel.)
transmission for cracked or defective shifter shaft cover. (Refer to para 2-9b(10).)
Replace shifter shaft cover. (Refer to para 3-8b.)
Check wear of parts. (Refer to para 3-16 and 3-17.)
transmission for cracked or defective case.
Replace transmission case. (Refer to para 3-8, 3-10, and 3-12.)
Check wear of parts. (Refer to para 3-16 and 3-17.)
2. HARD SHIFTING
Test 1. Inspect gear shift lever for
Step 1. Free up gear shift
Step 2. Replace gear shift
binding or sticking in shifter shaft cover.
lever in shifter shaft cover.
lever. (Refer to para 3-9e and 3-10a.)
Step 3. Replace shifter shaft cover. (Refer to para 3-8b and 3-11o.)
Step 4. Replace interlock plate and springs. (Refer to para 3-9e and 3-10a.)
Test 2. Inspect shifter shaft cover and shifter shafts for binding. (Refer to para 2-9b(13) and 2-9b(16).)
Step 1. Free up shifter shafts.
Step 2. Replace detent poppet balls and springs. (Refer to para 3-9e and 3-10a.)
Step 3. Replace shifter shaft cover. (Refer to para 3-8b and 3-11o.)
2-3


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