TM-9-2320-341-10

TRUCK, TRACTOR, LIGHT EQUIPMENT TRANSPORTER (LET), 8X8 M983A4 LET

TECHNICAL MANUAL; OPERATOR'S MANUAL

OCTOBER 2008

TM-9-2320-341-10 - Page 651 of 962

Alison

Transmission

CHEM

ALARM

B.O.

SELECT

B.O.

LIGHTS

INTER-

AXLE

8X8

AUX

HYD

HIGH

IDLE

GPU

PULLTOE

XHAU

ST

TRAILER

AIR SUPLY

NOT FOR PARKING

MIDLAND

PUSH

TOSUPP

LY

HYD

ENABLE

12

M

M

AS

AIR FILTER

RESTRICTION

INDICATOR

Figure 2.

CONDITION/INDICATION

Does air filter restriction indicator show red and/or VACUUM INCHES H2O window

show 18 or more after being reset?

DECISION

Restricted. - Test 3 - Does air filter restriction indicator show red and/or VACUUM

INCHES H2O window show 18 or more after being cleaned?

Not restricted. - Test 4 - Does engine start or run roughly after proper warm-up, and/or

does not make full power or makes excessive exhaust smoke?

TEST 3 - Does air filter restriction indicator show red and/or VACUUM INCHES H2O

window show 18 or more after being cleaned?

1.

Turn engine OFF. (WP 0057)

2.

Clean air filter. (WP 0140)

3.

Start engine. (WP 0044)

4.

Check if air filter restriction indicator is red and/or VACUUM INCHES/kPa H2O window

shows 18 or more.

TM 9-2320-341-10

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