Abnormal Engine Operation

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BOW RAMP WINCH

TM-55-1905-219-14-3 Landing Craft Utility (LCU) 1667 Class Boston Hull Numbers 1667-1670 NSN 1905-00-168-5764 Manual

Low Oil Pressure

TM 55-1905-219-14-3

EQUIPMENT

MALFUNCTION

TABLE

Abnormal Engine Operation

3-24

Detonation

3-24-M3

Lack of power

3-24-M2

Uneven running or frequent stalling

3-24-M1

Excessive Crankcase Pressure

3-27

Air from blower or air box

3-27-M3

Breather restriction

3-27-M2

Cylinder blow-by

3-27-M1

Excessive exhaust back pressure

3-27-M4

Exhaust Smoke Analysis

3-22

Black or gray smoke

3-22-M1

Blue smoke

3-22-M2

White smoke

3-22-M3

Hard Starting

3-23

Engine will not rotate

3-23-M1

Inoperative starting aid at low ambient

temperature

3-23-M5

Low compression

3-23-M4

Low cranking speed

3-23-M2

No fuel

3-23-M3

High Lubricating Oil Consumption

3-26

External leaks

3-26-M1

Internal leaks

3-26-M2

Oil control at cylinder

3-26-M3

HYDROSTARTER

Cranking Speed Too Low

3-32

Fluid Emerges Around Rubber Boot of Hand Pump

3-40

Fluid Emerges from Ends of Starter Control Valve

when Starter is Operated

3-41

Fluid Emerges from the Reservoir Filler Cap when

Starter is Used

3-39

Hand Pump Fails to Discharge Fluid

3-35

High Pressure in System (3500 psi or above

(24, 133 kPa)

3-38

3-10