4-30 EXTINGUISHER TRAILER ASSEMBLY REPAIR AND REPLACEMENT. - continued I
Install axle (15) and center on springs (18). Be sure axle is centered between frame (35) wheel
wells. Secure using four u-bolts (14), two plates (13), and eight new lock washers (12) and nuts
Install brakes per paragraph 4-29
Install wheels/tires per paragraph 4-28.
Using jack, remove four jack stands and lower unit
Performing maintenance on equipment that is not properly supported can result in equipment
falling or being dropped causing personal injury.
Position frame (35) onto four jack stands over axle (15) assembly.
Align each rear spring holder (27) mounting holes to frame (35) and install six screws (26) and new
lock nuts (25) (c) Align each front spring holder (24) mounting holes to frame (35) and install six
screws (23) and new lock nuts (22) (d) Install two stop blocks (4), one pintle (7), and four tie down
eyes (10) per steps (1) through (3) above.
Unit can swing while suspended from a lifting device causing injury to personnel and/or
damage to equipment.
Attach lifting device to lifting bar (33) and position skid assembly (34) onto frame (35)
Install 10 hold down clamps (32), screws (31), flat washers (30), new lock washers (29), and nuts
Install front jack per paragraph 4-27
Install rear jack stands per paragraph 4-26.
Using jack, remove four jack stands and lower unit.