Multi Pro 1200/1250 ChassisPage 8 -- 11
6. Inspection and service of rear brakes can be com-
pleted with brake assembly on machine (see Rear
BrakeService inthis section).Ifrequired,brakeassem-
bly can be removed from machine as follows:
A. Remove parking brake cable from brake assem-
bly (see Parking Brake Cable Removal in this sec-
tion).
A. Clean hydraulic brake line areaofwheelcylinder
to prevent contamination.
B. Loosen and remove banjo bolt from wheel cylin-
derandbrakeline.Locateandretrievetwo(2)wash-
ersfrombrakelinefitting.Capbrakelineandposition
it away from brake assembly.
C. Remove stub axle from machine (see Stub Axle
and DriveshaftintheServiceandRepairs section of
Chapter 7 -- Drive Train).
D. Remove four (4) cap screws and lock washers
that secure the brake assembly to the axle housing.
E. Remove brake assembly from machine.
Inspection
1. Inspect brake drums.
IMPORTANT:Brake drum machining is not re-
commended. Replace rear brake drums as a set
to maintain equal braking forces.
A. Clean drums with denatured alcohol. Check
braking surface diameter in at least three places. If
the diameter exceeds 8.071” (205.0 mm), r eplace
both brake drums.
B. Replacedrumsthatarecracked,deeplygrooved,
tapered, significantly out--of--round, scored, heat
spotted or excessively rusted.
C. Minorscoringinbrakedrumc anberemovedwith
sandpaper.
Installation (Fig. 6)
1. Clean all parts thoroughly before assembly.
2. Ifremoved,positionbrakeassemblytothemachine.
A. Apply Loctite #271 (or equivalent) to four (4) cap
screws (item 8). Secure backing plate of the brake
assembly to the axle housing with cap screws and
lock washers.
B. Install stub axle (see Stub Axle and Driveshaft in
theServiceandRepairssectionofC hapter7 -- Drive
Train).
C. Position two (2) new banjo washers on sides of
brakelinefitting.Secure brake line towheelcylinder
with banjo bolt.
D. Install parking brake cable to brake assembly
(seeParkingBrakeCableInstallationinthissection).
3. Position brake drum so access hole in drum aligns
withholeinstubaxleflange.Slide brake drum onto ma-
chine.
4. Adjust brake shoes:
A. Align access hole in brake drum with star wheel
on brake adjuster assembly.
B. Rotatestarwheeltoincreaseadjusterlengthuntil
brake shoes contact brake drum.
C. Back off star wheel until drum rotates freely.
5. Install wheel and secure with lug nuts. Torque lug
nutsevenlyin a crossing patternfrom55 to 65 ft--lb (75
to 88 N--m).
6. Lower machine to ground.
7. Bleed brakes (see Bleed Brake System in this sec-
tion).
CAUTION
After servicing the brakes, always check the
brakes in a wide open, level area that is free of
other persons and obstructions.
8. Check brake operation. To adjust the brakes, stop
several times while vehicle is moving in reverse.
9. Adjust parking brake (see Operator’s Manual).
Burnish Brake Shoes
Brakeliningsmaynotprovidemaximumbrakestopping
distanceafterbrake shoes arereplaced.It is necessary
to burnish new brake shoe linings.
IMPORTANT:Do not drive machine with the brakes
applied. The brake shoe linings will overheat.
IMPORTANT:Do not allow the brakes to lock up. Al-
low brakes to cool between applications.
Drivemachinewhilemaking6to7normalstopsatabout
200 ft (60 m) intervals while traveling at moderate
speed.
Chassis
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