TM 9-2330-390-14&P
4-58. MAJOR BRAKE ADJUSTMENT.
This Task Covers: Adjustment
Initial Setup:
Equipment Conditions:
Materials/Parts:
• Wheels chocked.
• Dry cleaning solvent (Item 27, Appendix F)
• Hubs and brakedrums installed (see para-
graph 4-75).
General Safety instructions:
• Brakes caged (see paragraph 4-56).
• Dry cleaning solvent is flammable and must not be
Tools/Teat Equipment:
used near an open flame. Use only in a well-venti-
• General mechanic’s tool kit (Item 30, Appendix G)
lated area.
• Compressor unit (Item 4, Appendix G)
• Torque wrench, 0-175 lb.-ft. (Item 42, Appendix G)
NOTE
• Perform this adjustment procedure after initial inatallation of brakeshoes to ensure
that brakeshoes are centered In brakedrum and have correct brakeshoe
lining-to-brakedrum clearance.
• Front and rear dolly brakes are adjusted the same way. Rear dolly brakes are
Illustrated.
ADJUSTMENT
1.
Remove bottom rubber vent plug from nonpres-
sure portion of each airbrake chamber (2). Con-
nect a temporary air hose (1) to airbrake chamber.
4-126
