SYMPTOMS INDEX - TM-10-3930-641-34-10016

SYMPTOMS INDEX-continued - TM-10-3930-641-34-10017

TM-10-3930-641-34-1 Truck Container Handler Rough Terrain 50 000 lb Capacity DED PT (NSN 3930-01-082-3758) With Tophandlers Manual
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TM 10-3930-641-34-1

SYMPTOMS INDEX

(Sheet 1 of 4)

Troubleshooting

Procedure

Page

ENGINE

Alternator has low or irregular discharge............................................................................................................................................................. 2-22

Alternator discharge rate too high ....................................................................................................................................................................... 2-22

Alternator is noisy ................................................................................................................................................................................................ 2-23

Alternator does not charge .................................................................................................................................................................................. 2-21

Black or gray smoke from exhaust ...................................................................................................................................................................... 2-17

Coolant in lube oil ................................................................................................................................................................................................ 2-17

Doesn't develop full power .................................................................................................................................................................................. 2-12

Engine noise (mechanical noise) ........................................................................................................................................................................ 2-14

Fuel use - sudden large increase ........................................................................................................................................................................ 2-15

Hard to start......................................................................................................................................................................................................... 2-9

Hot, dense smoke (high exhaust temperature) ................................................................................................................................................... 2-23

Hunts (changes speed suddenly by itself)........................................................................................................................................................... 2-11

Knocks (loud combustion noise) ......................................................................................................................................................................... 2-13

Low engine oil pressure....................................................................................................................................................................................... 2-19

Low rpm (engine will not turn higher than 1000 to 1200 rpms) ........................................................................................................................... 2-10

Misfires or runs rough.......................................................................................................................................................................................... 2-10

Oil at exhaust ...................................................................................................................................................................................................... 2-16

Oil in cooling system............................................................................................................................................................................................ 2-15

Overheats ............................................................................................................................................................................................................ 2-20

Stalls at low rpm .................................................................................................................................................................................................. 2-11

Starting motor doesn't turn over .......................................................................................................................................................................... 2-21

Unusual engine vibrations ................................................................................................................................................................................... 2-13

Valve noise (loud clicking noise from valve compartment) ................................................................................................................................. 2-14

Valve clearance greater than specification.......................................................................................................................................................... 2-24

Valve clearance less than specification............................................................................................................................................................... 2-25

White or blue smoke from exhaust (engine using excessive lube oil) ................................................................................................................ 2-18

Will not crank when power switch is on START .................................................................................................................................................. 2-8

Go on to Sheet 2

2-4

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