TM-9-2320-272-24-2

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 2 OF 4

JUNE 1998

TM-9-2320-272-24-2 - Page 710 of 991

TM 9-2320-272-24-2

Table 4-1. Mechanical Troubleshooting (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 17. Remove pressure gauge from boom control valve.

NOTE

Ensure engine is off.

a.

Remove pressure gauge (1), connector (2), hose assembly (3), and connector (4) from

boom control valve (5).

b.

Install plug (8) in boom control valve (5).

c.

Install mounting plate (7) on gondola (9) with five screws (6).

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