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 293 of 452
PUSHER AXLE (M917, M919, AND M920) - CONTINUED
SYMPTOM
Pusher axle will not go down.
MALFUNCTION
Low air system pressure.
CORRECTIVE ACTION
Check to make sure that air system pressure is sufficient (low pressure
warning light and buzzer are both off). Let air pressure build up until
warning light and buzzer go off.
MALFUNCTION
Raise/lower control in incorrect position.
CORRECTIVE ACTION
Check to make sure that raise/lower control is set at the AXLE DOWN
position. Set raise/lower control to AXLE DOWN position.
MALFUNCTION
Leaks in air system.
CORRECTIVE ACTION
Check for air leaks in the area of hoses and check for cracks or holes in the
air bags. If any air leaks in hoses or cracks or holes in air bags are found,
notify supervisor.
SYMPTOM
Pusher axle will not maintain load reaction.
MALFUNCTION
Low air system pressure.
CORRECTIVE ACTION
Check to make sure that air system pressure is sufficient (low pressure
warning light and buzzer are both off). Let air pressure build up until
warning light and buzzer go off.
MALFUNCTION
Air control pressure adjuster is in incorrect position.
CORRECTIVE ACTION
Check to make sure that air control pressure adjuster is turned fully to the
right. Turn air control pressure adjuster fully to the right.
TM 9-2320-273-10
0023
0023-19
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