Rosco RB48 - Axles and Brakes

RB48 BROOM
4.13ROSCO - A LeeBoy Company
Maintenance
MAINTENANCE
WARNING: Securely support chassis when
removing the wheels. Do not lie under the machine
while it is supported only by a
jack. Use jackstands on a solid
surface to prevent tipping of the
machine when it is raised.
Block the remaining wheels to
prevent rolling of the machine
when it is raised.
D. Adjust the brakes after every 500 service
hours or at the beginning of each season.
Information on proper brake adjustment can be
found in the brake manufacturer's manual. Only
qualified technicians should perform brake
adjustment.
E. Axle bearings should be removed,
inspected, and repacked with a high quality axle
bearing grease after every 500 service hours or
seasonally.
F. To reinstall bearings and hub, tighten the
retaining nut until the wheel drags during hand
rotation. Then back off the nut 1/8 of a turn and
bend over the locking tab or install the cotter pin,
depending on the design configuration.
G. Check the lube level in the rear axle every
500 hours or seasonally. The lube should be 1
inch below the plug hole. Add if necessary. Refer
to the Preventive Maintenance Chart at the end of
this section for lubricant specifications.
Never exceed tire manufacturers
maximum recommended inflation
pressure.
B. Protect tires from contact with petroleum
products and chemicals.
The drive shaft must be removed
prior to towing, unless equipped
with gearbox disconnect, or serious
damage could result .
C. Wheel lug nuts should be checked for
tightness weekly. Torque to 85 ft-lbs.
D. Visually inspect the wheels for damage
prior to each day's use of the ROSCO Broom.
Replace bent or cracked wheels.
Axles and Brakes
A. Grease king pin bushings, tie rod ends,
steering cylinder rod end and rear axle pivot
bushings every 100 hours of service with a good
quality chassis lube.
B. Inspect brake pad linings and drums after
every 500 hours of operation or seasonally.
Remove wheel and hub. Inspect brake pad linings
for excessive wear and proper operation. Linings
should be replaced if they are 1/16" thick or less in
the thinnest spot.
C. Check brake fluid level daily. When filling
the brake fluid reservoir, only fill to 1 inch below
the top of the fill neck. To prevent fluid from
leaking out of the cap vent hole, locate the hole
toward the rear of the machine when replacing the
cap.