TM-9-2320-279-20-1
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3
TM-9-2320-279-20-1 - Page 14 of 985
TM 9-2320-279-20-1
WARNING
If gap is greater than 3/8 in. (9.5 mm), reposition or replace lockring, or injury or death to
personnel may result. Destroy defective lockring so it cannot be reused.
WARNING
Failure to place wheel/tire assembly in safety cage prior to initial inflation could result in
serious injury or death to personnel.
WARNING
When a wheel/tire is in a restraining device, do not rest or lean any part of body or
equipment on or against the restraining device, or injury or death could result.
WARNING
While changing tires or while performing tire maintenance, stay out of the trajectory as
shown by the area indicated. Failure to follow proper procedures may result in injury or
death to personnel.
WARNING
Improperly seated lockrings and side rings may blow off at any time. Never attempt to seat
a lockring or side ring during or after inflation.
Failure to comply may result in serious
injury or death.
WARNING
When inflating tires, always use an inflation hose with an in-line gage and a clip-on chuck.
The gage and valve must be mounted a minimum of 10 feet (3.10 m) away from air chuck.
WARNING
All personnel must remain a minimum of 10 feet (3.10 m) away from tire and not in possible
path of lockring or side ring. Failure to comply may result in serious injury or death.
WARNING
Do not inflate above 3 psi (21 kPa) or personal injury or death may result.
WARNING
Never inflate tires over 40 psi (276 kPa) to seat tire beads. If beads do not seat, deflate,
demount, and check the tire/rim parts. Relubricate and remount tire. Serious injury or
death could result if these procedures are not followed.
WARNING
If gap in lockring is greater than 3/8 in. (9.5 mm), deflate wheel/tire assembly by removing
valve core, then replace lockring, or serious injury or death to personnel may result.
Destroy defective lockring so it cannot be reused.
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