TM-9-2320-431-10-2

TRUCK, WRECKER, 8X8, M984A1

TECHNICAL MANUAL; OPERATOR'S MANUAL; PART 2 OF 2

JUNE 2009

TM-9-2320-431-10-2 - Page 225 of 712

DECISION

Hydraulic fluid is below normal operating temperature. - Notify supervisor. Test 4 -

Hydraulic fluid overheated.

Hydraulic fluid is at normal operating temperature. - Test 5 - Do retrieval controls

operate normally?

TEST 4 - Hydraulic fluid overheated.

1.

Set PTO ENGAGE switch to OFF.

WARNING

Some models of fuel tanks have a socket head pipe plug. Others have a

fusible socket head pipe plug. Fusible socket head pipe plug must be

used with non-vented tank cap. Failure to comply may result in injury or

death to personnel and damage to equipment. Refer to TM

9-2320-315-14&P for proper identification of parts.

2.

Shut off engine. (Volume 1, WP 0057)

HYDRAULIC

RESERVOIR

Figure 4.

3.

Allow hydraulic oil to cool.

CONDITION/INDICATION

Hydraulic fluid overheated.

TM 9-2320-431-10-2

0168

0168-7