Invacare PRONTO R2-250 - Manual (Page 34)

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FIGURE 3 - ENGAGING/DISENGAGING MOTORS
WITH MOTOR LOCKS
Towards
Outside of
Wheelchair
Motor Locks DISENGAGED
(Free Wheel Position)
Motor Locks ENGAGED
(Drive Position)
Dust Cover
Locknut
Nylon Washer
Fork
ADJUSTING FORKS (FIGURE 4)
1. Remove the dust cover from the caster headtube.
2. 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.
3. Test wheelchair for maneuverability.
4. Readjust locknuts if necessary, and repeat STEPS
1-3 until correct.
5. Snap dust cover into the caster headtube.
FIGURE 4 - ADJUSTING FORKS
Caster
Caster
Headtube
PROCEDURE 8 WHEELS
W
H
E
E
L
S
ADJUSTING THE STABILIZER
(FIGURE 5)
1. With the batteries and the user in the wheelchair, grasp
the swing arm and pull up. Clearance between the sta-
bilizer wheel and the surface should be 1/8-inch or
greater. If the clearance is less than 1/8-inch contact
Invacare Dealer for service. See DETAIL "A".
Additional Adjustments for User Preference
(DETAIL "B")
1. Rotating the locknut that is located on top of the lower
spring provides one (1) of the following:
A. Rotating the locknut CLOCKWISE - provides
more resistance of the stabilizer when stopping.
B. Rotating the locknut COUNTER-CLOCKWISE
- provides less resistance of the stabilizer when
stopping.
Clearance should be 1/
8-inch or greater
Ground/Floor
Stabilizer
Wheel
Stabilizer
Locknut
FIGURE 5 - ADJUSTING THE STABILIZER
Lower
Spring
DETAIL "A"
DETAIL "B"