Operator's Manual

Figure 56

Replacing the Caster Wheel

Fork Bushings

T he caster wheel forks are mounted in bushings

pressed into the top and bottom of the car rier

frame mounting pi v ot tubes . T o c hec k the

bushings , mo v e the caster forks bac k and for th and

side-to-side . If a caster fork is loose , the bushings

are w or n and m ust be re placed.

1. Raise the cutting unit so the caster wheels are

off the ﬂoor , then suppor t the front of the

mo w er with jac k stands .

2. R emo v e the loc king pin and spacer(s) from the

top of the caster wheel fork ( Figure 57 ).

Figure 57

1. Locking Pin 3. Carrier frame pivot tube

2. Spacers

4. Caster wheel fork

3. Pull the caster wheel fork out of the mounting

tube , lea ving the spacer(s) on the bottom of

the fork. R emember the location of the spacers

on eac h fork to ensure cor rect installation, and

to maintain a lev el dec k.

4. Inser t a pin punc h into the mounting tube and

carefully dri v e out the bushings ( Figure 58 ).

Clean the inside of the mounting tube .

Figure 58

1. Mounting Tube 2. Bushing

5. Grease the inside and outside of the new

bushings . Use a hammer and ﬂat plate to

carefully dri v e the bushings into the pi v ot

tubes .

6. Inspect the caster wheel fork for w ear and

re place if necessar y ( Figure 57 ).

7. Slide the caster wheel fork through the

bushings in the mounting tube . R e place the

spacer(s) onto the fork and secure with the

retaining ring ( Figure 57 ).

Important: T he inside diameter of

the bushings may collapse slightl y when

installed. If the caster wheel f or k does not

slide into the new bushings, r eam both

bushings to an inside diameter of 1.126

inch (29 mm).

8. Grease the ﬁtting on the car rier frame pi v ot

tubes using No . 2 g eneral pur pose lithium base

or molybden um base g rease .