TM-5-3805-254-14-P-2

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT AND DEPT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS INFORMATION AND SUPPLEMENTAL MAINTENANCE INSTRUCTIONS)

JUNE 1980

TM-5-3805-254-14-P-2 - Page 720 of 894

TRUCK SERVICE MANUAL

TRANSMISSION

Cause

Remedy

(K)

DIRTY OIL

1.

Failure to change oil at proper interval

1.

Change oil, install new filter (para

3-7)

2.

Heat excessive

2.

Refer to H, above

3.

Clutch failure

3.

Overhaul transmission

4.

Damaged oil filter

4.

Replace filter (para 3-7)

(L)

OIL LEAKING AT OUTPUT SHAFT

1.

Oil seal at output flange worn or damaged

1.

Replace seal

2.

Flange worn at seal surface

2.

Replace flange

(M)

HIGH STALL SPEED (refer to para 3-13)

1.

Oil level low

1.

Add oil to proper level (para 3-3)

2.

Clutch pressure low

2.

Refer to D, above

3.

Forward clutch slipping (forward)

3.

Rebuild forward clutch (para 6-8)

4.

First clutch slipping

4.

Rebuild forward clutch (para 6-18)

Rebuild first clutch (para 7-2

5.

Fourth clutch slipping (reverse)

5.

Rebuild fourth clutch

6.

Low clutch slipping (5 speed)

6.

Rebuild low clutch

(N)

LOW STALL SPEED (refer to para 3-13)

1.

Engine not performing efficiently (may

1.

Refer to engine manufacturer’s manual

be due to high altitude)

or vehicle service manual

2.

Broken converter parts

2.

Replace converter assembly

(O)

CLUTCH SLIPPAGE IN ALL FORWARD GEARS

1.

Oil level low

1.

Add oil to proper level

2.

Clutch (main) pressure low

2.

Refer to C, above

3.

Forward clutch slipping

3.

Rebuild forward clutch and replace

piston sealrings

4.

Sealrings on front support hub worn or

4.

Replace sealrings

broken

713