Multi Pro 1200/1250 ChassisPage 8 -- 13
Disassembly (Fig. 8)
1. Ifbrakeassemblyisstillonmachine,removeparking
brake cable (see Parking Brake Cable Removal in this
section).
CAUTION
Be careful when removing springs from brake
shoes. The springs are under heavy tension and
may cause personal injury.
2. Remove upper and lower springs from brake shoes.
3. Remove shoe hold down washers and springs that
secure the brake shoes to the backing plate.
4. Remove brake s hoes from backing plate.
5. Ifbrakeassemblyisstillonmachineandwheelcylin-
der removal is necessary:
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 two (2) bolts and washers that secure
wheelcylindertobackingplate.Removewheelcylin-
der from backing plate.
Inspection
1. Inspect brake shoe linings.
IMPORTANT:Replace rear brake shoes as a set
(allfour shoes)to maintainequal brakingforces.
A. Replace brake shoes if damaged or if lining is
worn to 1/16” (1.6 mm). Replace if lining is c ontami-
nated by oil, grease or other fluids.
NOTE: Overheated springs lose their tension and
can cause brake linings to wear out prematurely.
B. Inspect brake shoe webbing, upper and lower
springsandshoeholddownspringsforoverheating.
Overheating is indicated by a slight blue color. In-
spect brake shoe webbing for deformation. Replace
parts as necessary.
C. Inspect hold down pins for damage. Replace as
necessary.
2. Inspectbrakeadjuster,parkingbrakeleverandpark-
ing brake pawl for damage or wear. Replace compo-
nents as necessary.
Assembly (Fig. 8)
IMPORTANT:Brake shoe lining surfaces must be
free of grease, oil and other foreign matter.
1. Apply a light film of lubricant to the following:
A. Ledges on which the brake shoes rest.
B. Hold down pins.
C. Anchor block surfaces that contact shoe webs.
2. If removed, install wheel cylinder:
A. Secure wheel cylinder to backing plate with two
(2)boltsandwashers.Torqueboltsfrom49to97in--
lb (5.5 to 11 N--m).
B. Ifbrakeassemblyisstillonmachine,positiontwo
(2) new banjo washers on sides of brake line fitting.
Secure brake line to wheel cylinder with banjo bolt.
3. If removed from backing plate, install dust covers in
backing plate.
4. Position brake s hoes to backing plate. Make sure
that each shoe is properly positioned at anchor block,
wheelcylinder andholddown pin.Secureshoes topins
with hold down springs and washers.
CAUTION
Be careful when installing springs to brake
shoes. The springs are under heavy tension and
may cause personal injury.
5. Install lower spring to brake shoes.
6. Install brake adjuster assembly to slots on brake
shoes, then the parking brake pawl with pin. Install ad-
juster spring.
7. Install upper spring.
8. If brake assembly is still on machine, install parking
brakecable(seeParkingBrakeCableInstallationinthis
section).
9. Assemble rear wheel (see Rear Wheels and Brakes
Installation in this section).
Chassis
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