Invacare R121 ユーザーズマニュアル

MAINTENANCE

Replacing Casters/Forks

Replacing Rear Casters

NOTE: For this procedure, refer to FIGURE 7.6

1. Place the lift on its side.

2. Remove the bolt and locknut that

secure the existing rear caster to the
fork.

NOTE: The bushing will be loose and may fall
out of the caster.

NOTE: Existing bushing will be reused.
Examine and replace if worn.

3. Install the new/existing bushing into

the new rear caster.

4. Line up the mounting holes in the new

rear caster and the fork.

5. Install the bolt through the fork and

new rear caster and tighten securely
with the locknut.

FIGURE 7.6 Replacing Rear Casters

Replacing Front Casters

NOTE: For this procedure, refer to FIGURE 7.7.

1. Place the lift on its side.

2. Remove the bolt and locknut that secure the existing front caster assembly to the fork.

NOTE: The front caster assembly consists of two casters and a washer in between.

NOTE: The washer will fall out from between
the two casters.

NOTE: Washer will be reused. Examine and
replace if worn.

3. Position the new/existing washer

between the two new casters.

4. Line up the mounting holes in the new

front caster assembly and the fork.

5. Install the bolt through the fork and the

new front caster assembly and tighten
securely with the locknut.

FIGURE 7.7 Replacing Front Casters

Base

Fork

Bolt

Bushing

Rear Caster

Locknut

Base

Fork

Bolt

Washer

Front Casters

Locknut