TM-9-2320-260-10
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; OPERATOR'S MANUAL
JUNE 1985
TM-9-2320-260-10 - Page 93 of 411
2-48
Change 4
TM 9-2320-260-10
Table 2-2. Preventive Maintenance Checks and Services (Cont’d).
ITEM
NO.
INTERVAL
ITEM TO
CHECK/
SERVICE
CREWMEMBER
PROCEDURE
NOT FULLY
MISSION
CAPABLE IF:
LOCATION
INTERIOR OF VEHICLE
DRIVER
14
Before
Controls
a.
Start engine (para. 2-12).
a.
Engine will
and
not start.
Instruments
b.
Listen for unusual noises or
b.
Unusual noises
vibrations, especially during
or vibrations are
acceleration.
detected.
c.
Check for missing or damaged
c.
Seatbelt(s) are
s e a t b e l t s
.
missing or damaged.
d
.
Air cleaner indicator (3) should be
d
.
Air cleaner
in green area (para. 3-11 )
.
indicator is cracked,
unserviceable, or
stays in red area.
e
.
Tachometer (1) should read
e
.
Ta c h o m e t e r
550-650 rpm at idle.
inoperable or reads
less than 550 rpm or
more than 650 rpm
at idle.
f
.
Check engine water temperature
f
.
Te m p e r a t u r e
gauge (2). (Normal range is 175-200°F
gauge reads less
(79-93°C) with engine warmed up.)
than 175°F (79°C)
or exceeds 220°F
( 1 0 4 ° C )
.
g
.
Check air pressure gauge (5).
g
.
Air pressure
Normal range is 90-130 psi (621-
reads less than 64 psi
896 kPa). Ensure warning buzzer is
(441 kPa). Wa r n i n g
o p e r a t i o n a l
.
buzzer stays on or it
does not operate.
WARNING
If NBC exposure is suspected, all air
filter media should be handled by
personnel wearing protective equip-
ment. Consult your unit NBC off i c e r
or NBC NCO for appropriate handling
caution or disposal instructions.
CAUTION
If oil pressure gauge reads 0 psi, stop
engine. Failure to do so may cause
damage to internal engine
components.
NOTE
The engine must be running to
perform the following checks.
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