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 TM 9-2330-331-14&P
SERVICE BRAKES - S-CAMSHAFT REPLACEMENT
INITIAL SETUP:
Equipment Conditions
Tools/Test Equipment
Semitrailer Disconnected from Prime Mover
General Mechanic's Tool Kit (WP 0077 00-9)
Axles Supported by Jack Stands
Jack Stands
Tires Chocked
Floor Jack
Tires and Wheels Removed (WP 0016 00-2)
Brake Drum Removed (WP 0036 00-2)
Materials/Parts
Brake Shoes Removed (WP 0034 00-2)
Grease, GAA (WP 0086 00-2)
Slack Adjusters Removed (WP 0038 00-2)
Gasket (WP 0080 00-8)
Hub Removed (WP 0037 00-2)
O-Ring (WP 0080 00-8)
O-Ring (WP 0080 00-8)
WARNING
The axle must be firmly supported to prevent shifting of the semitrailer.
Shifting may cause serious injury to personnel and damage to equipment.
Clean and check all S-cam brake components for wear and damage.
Replace worn or damaged parts. At Triennial Service replace all
O-rings, bushings, retainers, snap rings, lockwashers, and brackets
on each axle end.
NOTE
There are six brake S-camshafts (three left and three right) and they are removed
and installed the same way. Right and left does not mean left and/or right side.
Left or right S-camshaft is specific to S-camshaft rotation in operation. This
procedure covers one brake S-camshaft.
Dispose of all hazardous material in accordance with TB 43-0244
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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