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
c.
Check engine
c.
Gage indicates
14
INSTRUMENT
OIL PRESS
less than 30 psi
(cont)
PANEL (CONT)
gage (2) for
(207 kPa) during
normal opera-
normal operation
ting range of
or less than 5
50-70 psi
psi 34 kPa)
(345-483 kPa)
idle and CHECK
between engine
GAUGES
speeds of 1800
indicator
to 2100 rpm.
lights/alarm
Minimum for
sounds.
safe operation is
30 psi (207
kPa). At idle, oil
pressure can go
as low as 5 psi
(34 kPa).
NOTE
At idle, engine water temperature may not reach 180 F (82C).
d.
Check engine
d.
Gage reads in
WATER TEMP
red area
gage (3) for nor-
(approximately
mal operating
230F (110C))
temperature of
and CHECK
180 to 200F
GAUGES
(93 to 97C).
indicator
lights/alarm
sounds.
Change 1 2-39
