TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 92 of 1337
TM 9-2320-260-20
Table 2-1. Unit Level Preventive Maintenance Checks and Services (Contd).
ITEM TO
INTERVAL
NOT FULLY
CHECK/
PROCEDURE
MISSION
.
SERVICE
CAPABLE IF:
EXPECTED TEMPERATURES
LUBRICANTS
ABOVE 15°F
+40°F TO -15°F
+40ºF TO -65°F
(ABOVE -9°C)
(+4°C TO -26°C)
(+4°C TO -54°C)
BFS -
Brake fluid, silicone, automotive,
all weather, operational and
All Temperatures
preservative (MIL-B-46176)
ROAD TEST
Perform all During (D) operation checks listed in
TM 9-2320-260-10 PMCS in addition to those
that follow. Drive the vehicle at least 5 mi (8 km)
over varied terrain, both on and off road. This
will provide ample time to check reported mal-
functions and to locate unreported malfunctions.
5
Semi-
Clutch
Check clutch pedal (5) for 2- 2-1/2 in. (5-6 cm) free travel.
Clutch pedal is
annual
Adjust clutch pedal (5), if required (para. 3-12).
inoperative,
slipping, or
chatter is evident.
6
Semi-
Brakes
a. Check brake pedal (6) to ensure it stops 2 in. (5 cm)
annual
above floor. If brake pedal (6) stops less than 2 in. (5 cm)
above floor, check service brake adjustment (para. 8-9).
b. Check brake pedal (6) for l/4-l/2 in. (0.64-1.27 cm)
free travel. Adjust brake pedal (6) if required (para. 8-17).
CAUTION
Use only silicone brake fluid (MIL-B-46176).
c. Check master cylinder level weekly.
NOTE
Number in bracket refers to items found in
Mandatory Replacement Parts List (page 2-65).
1. Remove screw-assembled lockwasher (7) [8] from access
door (8) and remove screw cap (9) from master cylinder
(10). Discard screw-assembled lockwasher (7) [8].
2. Fill to 1/2 in. (12.7 mm) from top of master cylinder
(10) with BFS lubricant.
3. Install screw cap (9) on master cylinder (10). Close
access door (8) and lock with new screw-assembled
2- 5
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