Greensmaster 3150 Page 6 -- 5 Chassis
6. Remove lock nut and brake drum assembly. Locate
and retrieve woodruff key (item 13).
7. Remove return springs from brake shoes (Fig. 3).
Remove brake shoes from backing plate.
8. Remove brake backing plate to machine if neces-
sary:
A. Remove retaining clip (item 10) from the b rake
cam (item 9). Separate brake lever (item 4) from
brake cam.
B. Remove four (4) cap screws (item 11), lock nuts
(item 12) and brake backing plate from the brake
bracket (item 14).
9. Brake partsshould be cleanand freeof rust.Inspect
contact surfaces of brakeshoes and brakedrum for ex-
cessive wear. Replace any worn or damaged parts.
10.If wheel hub (item 6), brake drum (item 5) or drive
studs (item 7) need replacement, press four (4) drive
studs from wheel hub and separate hub from brake
drum.
Installation (Figs. 2 and 3)
1. If wheel hub was separated from brake drum, posi-
tion hub to drum and secure by pressing four (4) drive
studsthroughhub.Makesurethatstudsarepressedful-
ly into hub.
2. If brake backing plate was removed from machine:
A. Secure backing plate to the brake bracket (item
14) with four (4) cap screws (item 11) and lock nuts
(item 12).
B. Install brake cam into backing plate if it was re-
moved.
C. Apply antiseize lubricanttosplineareaofbrake
cam. Slide brake lever (item 4) onto brake cam and
secure with retaining clip (10). Make sure that brake
lever pivot is inserted into machine frame during as-
sembly.
3. Position both brake shoes onthebacking plate (Fig.
3). Insert return springs into the holes of both brake
shoes.
4. Make sure that wheel hub bore and wheel motor
shaft are thoroughly cleaned. Install woodruff key (item
13)tothewheelmotorshaft.Slidebrakedrumassembly
over shaft and key.
5. Securebrakedrumassemblytomotorshaftwithlock
nut (item 3).
6. Install front wheel and secure with four (4) lug nuts.
Tighten lug nuts evenly in a crossing pattern.
Failure t o maintain proper wheel lug nut and
wheel hub lock nut torque could result in failure
orlossof wheeland mayresultinpersonalinjury.
WARNING
7. Lower machine to ground. Torque lock nut from 250
to 400 ft--lb (339 to 542 N--m) and wheel lug nuts from
70 to 90 ft--lb (95 to 122 N--m).
8. Check and adjust brakes.
1. Return spring
2. Brake shoe
3. Brake cam
Figure 3
2
1
3
2
1
Chassis
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