TM-9-2350-256-10

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

OPERATOR'S MANUAL

OCTOBER 2014

TM-9-2350-256-10 - Page 471 of 796

HYDRAULIC SYSTEM TROUBLESHOOTING

INITIAL SETUP:

Tools and Special Tools

General mechanic's tool kit

(WP 0135, Table 1, Item 2)

15 in. adjustable wrench

(WP 0132, Table 2, Item 88)

Materials/Parts

Wiping rags Qty: AR (WP 0134, Table 1, Item 57)

Personnel Required

Crewman (3)

References

Auxiliary Power Unit (APU) operation in all

conditions (WP 0042)

References (cont.)

Boom operation (WP 0078)

Description and use of operator's controls and

indicators (WP 0004)

Engine deck grilles operation (WP 0030)

Floor access plates and doors operation

(WP 0027)

Prepare auxiliary hydraulic system for operation

(WP 0074)

Preventive Maintenance Checks and Services

(PMCS) – weekly, including lubrication

instructions (WP 0099)

Spade operation (WP 0075)

Starting main engine (WP 0010)

WARNING

Fuel/solvent/oil is slippery and may cause falls. Wipe up spillage immediately with rags.

Dispose of materials in accordance with local hazardous waste disposal procedures.

Failure to comply may result in personnel death, injury, or damage to equipment.

TROUBLESHOOTING PROCEDURE

HYDRAULIC OIL CONSTANTLY OVERHEATS

SYMPTOM

Hydraulic oil constantly overheats.

MALFUNCTION

Oil level is low.

CORRECTIVE ACTION

1.

Check oil level (WP 0099).

2.

Fill oil to appropriate level (WP 0099).

3.

Start main engine (WP 0010) and check hydraulic OIL TEMP °F gauge reads below 225°F

(107°C).

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