Karma Ergo-Lite Series - 4.7 Wheel Locks

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4.7 Wheel Locks
Your wheelchair is equipped with two wheel locks
4.7.1 They are applied directly against the tires. Push the handle of wheel-lock
forward to engage and pull the handle of wheel-lock to release.
4.7.2 Braking could be less efficient due to:
4.7.2.1 Worn tire tread
4.7.2.2 Low tire pressure
4.7.2.3 Wet tires
4.7.2.4 Improper wheel locks adjustment.
4.7.3 The wheel locks are not designed to be used for a moving wheelchair.
4.7.4 Always use the handrims for braking. Make sure that the interval between the
tires and wheel locks complies with the given specifications. (See Figure 4.11)
4.7.5 To re-adjust, loosen the screw and set the appropriate gap. Then re-tighten
the screw. (See Figure 4.12)
Figure 4.11
Figure 4.12
CAUTION:
● After each adjustment of the rear wheels, check the wheel-lock gap and
re-adjust if necessary.