TM-9-2320-273-10
TRUCK, TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER
TECHNICAL MANUAL; OPERATOR’S MANUAL
DECEMBER 2012
TM-9-2320-273-10 - Page 5 of 452
WARNING SUMMARY - CONTINUED
WARNING DESCRIPTIONS - CONTINUED
Do not attempt to check and reset circuit breakers while driving the tractor. Always
pull safely to side of road first. If tractor cannot be safely operated due to a circuit
breaker that cannot be reset, do not attempt to operate tractor. Failure to comply may
result in damage to equipment or possible injury or death to personnel. Seek medical
attention in the event of an injury.
Hazard switch will override brake lights when in use. Use hand signals and exercise
extra care when using hazard switch. Failure to comply may result in injury or death to
personnel. Seek medical attention in the event of an injury.
Operators must know how to use the controls and indicators before starting and driving
the vehicle. In addition, operators must know the capabilities and limitations of the
vehicle and be able to use the features of the vehicle in the safest and most efficient
way to accomplish their mission. Failure to comply may result in damage to equipment
and possible injury or death to personnel. Seek medical attention in the event of an
injury.
The driver and passenger must wear seatbelts during vehicle operation. Ensure seatbelts
are fastened and properly adjusted before placing vehicle in motion. Failure to comply
may result in injury or death to personnel. Seek medical attention in the event of an
injury.
The driver and companion seatbelts must be connected and adjusted for proper fit prior
to placing the vehicle in motion. Failure to comply may result in injury or death to
personnel. Seek medical attention in the event of an injury.
Seatbelt must be completely extended from nonlocking retractor device. All excess
webbing must then be adjusted at the buckle. Failure to comply may result in injury or
death to personnel. Seek medical attention in the event of an injury.
Do not start engine with parking brake control pushed in (released). The vehicle could
roll in either direction once brake system reaches operating pressure and spring brakes
release. Always pull out parking brake control prior to starting engine or damage to
equipment and possible injury or death to personnel may result. Seek medical attention
in the event of an injury.
On M915 and M915A1 vehicles, cab controlled fifth wheel control lever must be in the
LOCK position when a trailer is connected to the tractor fifth wheel. Failure to comply
may result in damage to equipment and possible injury or death to personnel. Seek
medical attention in the event of an injury.
To prevent fifth wheel movement during transit, ensure cab mounted sliding fifth wheel
control lever is in LOCK position before moving vehicle. Follow procedure to verify
fifth wheel control lever is locked in position when tractor is coupled to trailer, and
never move fifth wheel control lever to UNLOCK position during transit. Failure to
comply may result in loss of control, damage to equipment, and possible injury or
death to personnel. Seek medical attention in the event of an injury.
Do not operate vehicle with low tire pressure on wet smooth roads at high speeds.
Doing so may result in loss of control, damage to equipment, and possible injury or
death to personnel. Seek medical attention in the event of an injury.
TM 9-2320-273-10
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