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Page Title:
FORWARD CLUTCH AND TURBINE SHAFT MAINTENANCE - continued |
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 TM 9-2320-386-24-1-2
0375 00
FORWARD CLUTCH AND TURBINE SHAFT MAINTENANCE (Contd)
CLEANING AND INSPECTION
.WARNING.
Volatile mineral spirits burn easily and fumes can explode. Do not
smoke or allow flames nearby when using volatile mineral spirits.
Failure to do so may cause serious injury or death to personnel.
1. All metallic parts should be cleaned thoroughly with mineral spirits and dried with a lint-free rag.
2. Inspect turbine shaft (4) for scoring in area where seals contact. Replace clutch housing (3) if
turbine shaft (4) is scored.
3.
Inspect internal-splined (1) and external-tanged (2) clutch plates for burrs, scores, galls, breaks,
cracks, and wear. Replace internal-splined (1) or external-tanged (2) clutch plate(s) if burred,
scored, galled, broken, cracked, or worn.
4.
Place external-tanged clutch plates (2) on clean, level surface. Measure distance from inside diameter
to level surface. Replace external-tanged clutch plate(s) (2) if distance exceeds 0.004 in. (0.10 mm).
5.
Measure thickness of internal-splined clutch plates (1). Replace internal-splined clutch plate(s) (1) if
thickness is less than 0.071 in. (1.80 mm).
6.
Inspect forward clutch driving hub (5) and forward clutch hub (6) for signs of wear at clutch plate
contact area. Replace forward clutch driving hub (5) or forward clutch hub (6) if worn.
NOTE
Perform step 7 for model AT1545P transmission only.
7.
Inspect ball (8) inside clutch housing (3) for free movement. Minimum movement should be
0.040 in. (1.02 mm). If movement is restricted, remove staking and replace ball (8) in clutch
housing (3).
8.
Inspect springs (7) for bends, breaks, and wear. Replace spring(s) (7) if bent, broken, or worn.
Change 1
0375 00-6
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