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 121 of 773
TM 9-2320-279-10-1
Table 2-1. Preventive Maintenance Checks and Services for Models M977 thru M985E1
Location
Item Interval
Item to
Crewmember
No.
Not Fully Mission
Check/
Procedure
Capable If:
Service
49 Weekly Tires
DRIVER
WARNING
Operating a vehicle with a tire
in an overinflated or underin-
flated condition or with a ques-
tionable defect may lead to
premature tire failure and may
cause equipment damage, in-
jury or death to personnel.
Check tires for correct air pres-
sure. Refer to paragraph 3-9 for
proper inflation procedures.
TIRE PRESSURES
Model
Front (all models)
Standard Tire
Sand Tire
Rear
M977,M978,M983
Standard Tire
Sand Tire
M984E1
Standard Tire
Sand Tire
M984E1 (when towing
another vehicle)
Standard Tire
Sand Tire
Highway
60 psi
(414 kPa)
60 psi
(414 kPa)
70 psi
(483 kPa)
70 psi
(483 kPa)
100 psi
(690 kPa)
100 psi
(690 kPa)
100 psi
(690 kPa)
100 psi
(696 kPa)
Cross
Cross
Country-Dry
Country-Wet
35 psi
20 psi
(241 kPa)
(138 kPa)
NA
NA
40 psi
30 psi
(276 kPa)
(207 kPa)
NA
NA
100 psi
100 psi
(690 kPa)
(690 kPa)
NA
NA
100 psi
100 psi
(690 kPa)
(690 kPa)
NA
NA
Sandy
Terrain
30 psi
(207 kPa)
25 psi
(172 kPa)
35 psi
(241 kPa)
30 psi
(207 kPa)
30 psi
(207 kPa)
25 psi
(172 kPa)
80 psi
(551 kPa)
80 psi
(551 kPa)
(2-62.1 blank)/2-62.2
Change 5
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