TM-9-2350-256-10

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

OPERATOR'S MANUAL

OCTOBER 2014

TM-9-2350-256-10 - Page 116 of 796

NORMAL ENGINE OPERATION

1.

All warning indicators should go out after engine has run for about 20 seconds.

Table 1.

Normal Gauge Operating Range.

ITEM NO.

GAUGE

OPERATING RANGE

1

Generator voltage output

Needle should point to middle of green area, after

20 seconds.

2

Engine oil temperature

140°F to 240°F (60°C to 116°C) when warm.

3

Engine oil pressure

40 to 70 psi (276 to 483 kPa) at 2,400 rpm;

15 psi (103 kPa) at idle, 675 to 725 rpm.

4

Transmission oil pressure

15 to 19 psi (103 to 131 kPa) at 2,400 rpm when cold.

Minimum of 10 psi (69 kPa) at 2,400 rpm when warm.

Minimum of 5 psi (34 kPa) at idle.

5

Transmission oil temperature

160°F to 280°F (71°C to 138°C) when warm.

Figure 1.

Gauges at Normal Operation.

2.

There should be no unusual noises from engine.

CAUTION

Ensure generator blower is operating when engine is running. Failure to comply may result

in damage to equipment.

3.

Hold piece of paper up to generator grille (Figure 2, Item 1). If paper is drawn to grille, it is okay. If it is not,

stop engine (WP 0017) and troubleshoot (WP 0081).

TM 9-2350-256-10

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