Table 4-1. Unit Preventive Maintenance Checks and Services (Cont).
H-Hours of operation
Item to be Inspected
Inspect swivel casters and associated
frame mountings for breaks, cracks, bent
members, or broken welds. Check for
freedom of movement and lubricate as
a.Inspect shackles, bearings, pins, leaf
springs and spring eyes for damage or
b.Inspect mounting brackets for cracks
or loose or missing hardware.
a.Check for damaged axle tube.
b.Check for loose or missing U-bolts or
Wheels and Tires
a.Check serviceability of tires as
indicated in TM 9-2610-200-24.
b.Tighten wheel stud nuts to 450 to 500
ft-lb (611 to 678 N·m).
a.Inspect brake linings for wear.
Replace if brake shoe lining is less
than 1/8-inch (3 2 mm) thick.
b.Inspect brake adjusting screw,
retaining screw, retaining pins,
and clips for corrosion and
c. Inspect hydraulic wheel cylinders for
Clean and repack wheel bearings.
Hydraulic Brake Hoses and
Inspect for dents, cracks, loose
connections and leaks.