TM-5-3805-254-20-1

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL VOLUME 1 OF 2

JANUARY 1988

TM-5-3805-254-20-1 - Page 375 of 790

TM 5-3805-254-20-1

ORGANIZATIONAL TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 4.

Set multimeter to 20 vdc scale.

Connect red test lead to input terminal (7) on low

air-pressure buzzer switch (8) and black test lead to ground.

Have assistant

rotate KEY SWITCH (3) clockwise to on position.

Check for 11 to 13 vdc on

multimeter.

Have assistant rotate KEY SWITCH (3) counterclockwise to off

position.

Disconnect test leads.

a.

If multimeter does not read 11 to 13 vdc, 14 wire (9) must be

replaced.

Notify Direct Support Maintenance.

b.

If multimeter reads 11 to 13 vdc, replace low air-pressure buzzer

switch (8) (page 2-699).

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