TM-9-2320-279-10-1
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
OPERATOR’S MANUAL VOLUME 1 OF 2
DECEMBER 1998
CHANGE 5
TM-9-2320-279-10-1 - Page 659 of 773
TM 9-2320-279-10-1
Operators Maintenance (Cont)
3-9.
SERVICE TIRES.
MODELS: All
TOOLS: Gage, tire pressure
Hose, tire inflation
SUPPLIES: None
PERSONNEL REQUIRED:
MOS 64C10, Heavy vehicle driver
a.
Check Tire Pressure.
Front (all models)
Standard Tire
Sand Tire
Rear
M977,M978,M983
Standard Tire
Sand Tire
M984E1
Standard Tire
Sand Tire
WARNING
Failure to comply with these procedures may result in
faulty positioning of the tire and/or rim parts, and cause
the assembly to burst with explosive force, sufficient to
cause serious physical injury or death. Never mount or
use damaged tires or rims.
NOTE
There are two types of air pressure gages. Model A is a
separate hand held gage used on vehicle serial number
51130 and below. Model B is a combined pressure
gage/inflation hose used on vehicle serial number 51131
and above.
(1)
Check tire air pressure with tire pressure gage (para 3-9b).
(2)
Use Table 3-3 to make sure tires have right air pressure for road
conditions and driving speed.
Table 3-3. Tire Pressure
TIRE PRESSURES
Cross
Highway
Countrv-Dry
Cross
Sandy
Countrv-Wet
Terrain
60 psi
(414 kPa)
60 psi
(414 kPa)
35 psi
(241 kPa)
NA
20 psi
(138 kPa)
NA
30 psi
(207 kPa)
25 psi
(172 kPa)
70 psi
(483 kPa)
70 psi
(483 kPa)
40 psi
(276 kPa)
NA
30 psi
(207 kPa)
NA
35 psi
(241 kPa)
30 psi
(207 kPa)
100 psi
(690 kPa)
100 psi
(690 kPa)
100 psi
(690 kPa)
NA
100 psi
(690 kPa)
NA
30 psi
(207 kPa)
25 psi
(172 kPa)
Change 5
3-61
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