Anti-Tipper Wheel Replacement; Removing Installing The Anti-Tip Assembly - Invacare Arrow RWD Service Manual

RWD WHEELCHAIRS
ANTI-TIPPER WHEEL
REPLACEMENT (FIGURE 15)
1. Remove the locknuts, hex screws and spacers that
secure the anti-tipper wheels to the anti-tip bracket
2. Replace anti-tipper wheel(s) and torque existing hard-
ware to 156-inch pounds. DO NOT overtighten.
REMOVING/INSTALLING THE 3-INCH ANTI-TIP ASSEMBLY (FIGURE 16)
1. Remove the 5/16-18x3-1/2-inch hex head cap screw, two (2) short spacers, two (2) large washers, and locknut
that secure the rear of the anti-tip bracket and shock (or rubber element) to the suspension arm. Save hex head
mounting screw, two (2) small spacers, and locknut for installation of the 4-inch active anti-tip assemblies.
2. Remove the 5/16-18x3-1/4-inch hex head cap screw, two (2) small washers, long spacer and locknut that
secure the front of the anti-tip bracket to the the suspension arm. Save hex head mounting screw and locknut
for installation of 4-inch active anti-tip assemblies.
Rubber Element
Short
Spacer
Anti-tip
Bracket
Large
Washer
Small
Washer
5/16-18 x 3-1/2-inch
Hex Head Cap Screw
FIGURE 16 - REMOVING/INSTALLING THE 3-INCH ANTI-TIP ASSEMBLY
Shock or
Locknuts
Long
Spacer
5/16-18 x 3-1/4-inch
Hex Head Cap Screw
Spacer
Spacer
Anti-Tipper
Wheel
FIGURE 15 - ANTI-TIPPER WHEEL REPLACEMENT
Suspension Arm
for Gearless/
Brushless Motors
(Reference)
89
PROCEDURE 16
Locknut
Suspension Arm
for 4 Pole Motors
(Reference)
R
W
D
W
H
E
E
L
C
H
A
I
R
S