TM 9-2320-360-10
Table 2-1. Preventive Maintenance Checks and Services (PMCS)
for the HET Tractor (Cont)
Location
Item
Interval
Item to
Procedure
Not Fully Mission
No.
Check/Service
Capable If:
Before
(3)
Press engine
(3) Engine
14
INSTRUMENT
brake
brake
(cont)
PANEL (CONT)
retarder
retarder is
ON/OFF
inoperative.
switch (1) to
ON. Press
engine brake
retarder HI/
LO switch
(1.1) to HI
position.
Increase
engine rpm
to approxi-
mately 1800
rpm and
release
throttle
pedal.
Decom-
pression of
engine will
be head in
system.
2-37