Specifications

112 SEBU7858-03
Maintenance Section
Brake Camshaft Bearing - Lubricate
3. Start the engin
e.
4. Watch the air pressure gauge. The air pressure
must be above 5
17±35kPa(75±5psi).
5. Purge air from the air tanks by doing the following
procedure:
•
Engage and disengage the service brake until
the air pres
sure drops below 517 ± 35 kPa
(75±5psi).
The warning
horn should sound and the action
lamp should flash. Make repairs if the warning
horn is not sounding or the action lamp is not
flashing.
i02556186
Brake Ca msh aft Bearing -
Lubricate
SMCS Code: 4251-086-BD
g00919030
Illu
stration 123
Tractor wheel
g01152437
I
llustration 124
Scraper wheel
The grease fittings for the brake camshaft bearings
can be reached from the back side of each wheel.
1. Remove the cove
rsthatareonthefittings.
2. Wipe the fittings before you apply lubricant
through the fit
tings.
3. Apply the appropriate lubricant through the fittings
for the tract
or wheels and for the scraper wheels
in order to lubricate the brake camshaft bearings.
4. Replace the
covers for the fittings.
i01792845
Brake Shoes and Drum s -
Inspect/Replace
SMCS Code: 4252-040; 4252-510; 4253-040;
4253-510
g00920131
Illustration 125
Front
Wheel
Note: Check the brakes on all four wheels. Rear
whee
ls are similar to the front wheels.
1. Remove the wheel brake dust covers.
2. Check the brake shoes for wear or for damage.
Measure the thickness of the brake linings. If the
thi
ckness of the brake linings is less than 7.2 mm
(0.28 inch), replace the brake linings.
3. Che
ck the brake drum for wear or for damage.
Repair the brake drum or replace the brake drum,
if necessary.
4. Install the wheel brake dust cover.