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 TM 9-2330-331-14&P
BRAKE DRUM REPLACEMENT
INITIAL SETUP:
Equipment Conditions
Tools/Test Equipment
Ground Boards Emplaced
General Mechanic's Tool Kit (WP 0077 00-9)
Landing Legs Down
Floor Jacks
Tires Chocked
Jack Stands
Semitrailer Disconnected from Prime Mover
Tires and Wheels Removed (WP 0016 00-2)
Personnel
Two
WARNING
Jack must be positioned directly under axle to prevent slippage.
Direct all personnel to stay clear of vehicle when vehicle is
supported in the air. Failure to do so could result in serious
injury and damage to equipment.
To prevent shifting of trailer, floor jack should be used only
on a hard, level surface. Failure to follow this warning could
result in serious injury and damage to equipment.
Brake drum weighs 114 lbs. (52 kgs.). Two people are required
for removal and installation. Failure to do so could result in
serious injury and damage to equipment.
NOTE
There are six brake drums on the M872A4 Semitrailer. This procedure removes
and installs one brake drum.
If slack adjusters cannot be adjusted properly or the hex nut is damaged,
brakes must be caged according to WP 0007 00-14.
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