TM-9-2320-280-20-1

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 1 OF 3

JANUARY 1996

TM-9-2320-280-20-1 - Page 115 of 888

Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont'd)

I T E M

N O .

I N T E RVA L

ITEM TO BE

I N S P E C T E D

P R O C E D U R E S

24

Semi-

Ambulance

a.

Check DC outlets for proper oper-

a.

No DC voltage at

Annual

( M 9 9 6

,

tion. Using multimeter, check for volt-

outlet, or not within

M996A1,

age at DC receptacles. If engine is run-

range.

M997,

ning, voltage should be 27-28 volts. If

M997A1, and engine is not running, voltage should

M997A2)

be 24.2-25.2 volts. Reefer to para. 2-39,

electrical troubleshooting, if voltage

is not within the specified range.

b.

Inspect and tighten two mounting

b.

Body not securely

capscrews securing ambulance body to

mounted to floor.

cargo floor to 90 lb-ft (122 N

•

m).

Tighten seven capscrews securing

ambulance body to “D” beam to

90 lb-ft (122 N

•

m).

c.

(M997, M997A1, and M997A2 only)

c

. Any class III leak.

Inspect compressor for security of

mounting and oil leakage.

25

Semi-

DeepWater

a.

Inspect vent tubes for bends,

Annual

Fording Kit

cracks, breaks, deterioration, and

restrictions.

b.

Inspect vent tube mounting hard-

ware for proper installation.

c.

Inspect intake and exhaust exten-

c.

Any exhaust extension

sions for proper installation and leaks.

leaks.

TM 9-2320-280-20-1

2 - 2 4

Change 1

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