TDX WHEELCHAIRS
68
Part No. 1114809
SECTION 8
MOTOR LOCKS/FORKS
MOTOR
LOCKS\FORKS
GB MOTORS (FIGURE 4)
WARNING
DO NOT engage/disengage motor locks until the power is in the OFF position.
NOTE: Motor lock disengagement/engagement allows an assistant to maneuver the wheelchair
without power or joystick controlled operation.
1. Perform one (1) of the following:
DISENGAGE (PUSH)
- Pull motor lock levers
upward.
ENGAGE (DRIVE)
-
push motor lock levers
downward.
NOTE: Motor package is designed
for an occupant weight up to 400
pounds. Force to disengage motor
lock may exceed ANSI/RESNA wc/
vol 2-1998 requirements for section
14.7 paragraph 7.2d The RESNA
requirements assume a maximum
occupant weight of 220 pounds.
ADJUSTING FORKS (FIGURE 5)
1. Remove the retaining screw that secures the headtube cover in place.
2. Remove the headtube cover (not shown) from the caster headtube.
3. To properly tighten caster journal system and guard against flutter, perform the
following check:
A. Tip back the wheelchair to floor.
B. Pivot both forks and casters to top of their arc simultaneously.
C. Let casters drop to bottom of arc (wheels should swing once to one-side, then
immediately rest in a straight downward position).
D. Adjust locknuts according to freedom of caster swing.
4. Test wheelchair for maneuverability.
5. Readjust locknuts if necessary, and repeat
STEPS
1-3
until correct.
6. Snap headtube cover into the caster
headtube.
7. Reinstall retaining screws.
Locknut
Fork
FIGURE 5 - ADJUSTING FORKS
Caster
Headtube
Retaining
Screw
Motor Lock Lever
DISENGAGE
(Pull upward)
Motor Lock Lever
ENGAGE (Drive position)
FIGURE 4 - DISENGAGING/ENGAGING
MOTOR LOCK LEVERS - GB MOTORS
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