TM-9-2320-338-10

TRUCK, CARGO, 8X8, M977A4

TECHNICAL MANUAL; OPERATOR'S MANUAL

OCTOBER 2008

TM-9-2320-338-10 - Page 338 of 1120

TRAILER

AIR SUPPLY

PARKING

BRAKE

AIR BRAKE

8X8

M

M

13

12

243v

14

15

Figure 3.

NOTE

Battery voltage readout is located in the top right corner of the LCD.

12. Check that battery voltage readout (13) reads between 24 and 28 volts.

13. Check that air filter restriction indicator (14) shows yellow.

14. If air filter restriction indicator (14) shows red, press and release RESET button (15).

WARNING

If NBC exposure is suspected, all air filter media should be handled by

personnel wearing protective equipment. Consult your unit NBC Officer

or NBC NCO for appropriate handling or disposal instructions. Failure to

comply may result in injury or death to personnel.

NOTE

Bouncing or jarring of indicator may put indicator in red zone while air

cleaner elements are still good. Turn engine off and press reset button to

recheck indicator.

15. If air filter restriction indicator (14) still shows red and/or VACUUM INCHES H2O

window shows 18, shut off engine (WP 0057) and clean air filter elements. (WP 0154)

TM 9-2320-338-10

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