TM 9-2320-279-34-2
Change 3
11-4.1
Brake System Maintenance Instructions (Cont)
Inspection and Repair.
WARNING
DO NOT grind or sand painted equipment without high efficiency air
purifying respirators in use.
NOTE
·
Some hubs have three bosses added during manufacture that can interfere
with installation of bolt together wheels. If replacing a split rim wheel,
inspect the hub for any bosses that might interfere with the installation of
the bolt together wheel.
·
Axles no. 1 and no. 2 on all vehicles and all axles on the M984A1 are not
affected.
·
On rear tandem axles of all models, except the M984A1, the brake drum
may have a boss of different widths or the same width.
·
If the width of two bosses on the drum are different, no rework is required.
If all three bosses are the same size, grind approximately 1/2 in. (12.7 mm)
chamfer off of boss leaving 1/8 in. (3.2 mm) of the boss.
