Greensmaster 3300/3400 Page 7 -- 9 Chassis
NOTE: Ifdesired,the completebrakeassemblycanbe
removedfromthemachinefordisassembly(seestep11
below).
9. Remove shoe springs from brake shoes (Fig. 8).
10.Removeshoeholddowncupsandsprings.Remove
brakeshoesandholddownpinsfrombackingplate(Fig.
8).
11.Ifnecessary,removebacking platefrommachineby
removing four (4) c ap screws (item 6).
12.Ifnecessary,presswheelstuds frombrake drumas-
sembly to allow separation of brake drum and wheel
hub.
Installation (Fig. 6)
1. Remove rust and debris from all parts with a wire
brush prior toinstallation. Clean allparts.Inspect brake
shoe contact surfaces of the brake drum for excessive
wear. Replace any worn or damaged parts.
2. Ifbackingplatew asremovedfrommachine,position
backing plate to wheel motor with brake lever inserted
into slot of brake lever tab. Secure backing plate to
wheel motor with four (4) cap screws (item 6).
3. Lightlylubricatebrakeshoepivotpointswithgeneral
purpose grease.
4. Position one brake shoe to the backing plate. Install
brake hold down pin and secure with hold down spring
and cup (Fig. 8). Repeat for second brake shoe.
5. Install shoe springs to brake shoes (Fig. 8). Make
sure that brake shoes are properly positioned to pivot
and actuator points.
6. If brake drum was separated from wheel hub, align
holes indrum andhub. Securehub todrum bypressing
wheel studs into assembly. Make sure that stud shoul-
ders are fully pressed against drum surface.
IMPORTANT: Before brake drum assembly is
installed, thoroughlyclean tapers of wheel hub and
wheel motorshaft. Make surethat tapers arefree of
grease, oil and dirt. Do not use antiseize lubricant
when installing drum assembly.
7. Mount key in the wheel motor shaft, then install the
brake drum assembly onto the wheel motor shaft.
8. Install new lock nut (item 7) onto the wheel motor
shaft to secure brake drum assembly.
9. Positionbrakecableendtobrakeactuatorlever.Se-
cure cable to actuator lever with clevis pin and e--ring
(Fig. 7).
10.Install front wheel assembly (see Wheel Installation
in this section).
11.Lower machine to ground.
Failure to maintain proper wheel lug nut and
wheel hub lock nut torque could result in failure
orlossofwheeland may resultin personalinjury.
WARNING
12.Torque lug nuts evenly in a crossing pattern from 65
to 85 ft--lb (98 to 115 N--m). Torque lock nut (item 17)
that secures wheel hub from 250 to 400 ft--lb (339 to
542 N--m).
13.Check and adjust parking brake.
1. Brake cable (RH shown)
2. Clevis pin
3. E--ring
4. Brake assembly
Figure 7
1
2
4
3
1. Brake shoe
2. Cup, spring and pin
3. Shoe spring
4. Actuator lever
Figure 8
1
2
4
3
1
2
3
Chassis
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