Evocare LM9712, Руководство пользователя

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Page 11.
WARNING
After any adjustments, and before use, make sure all attaching hardware is
tightened securely. Otherwise, injury or damage may result.
CAUTION
As with any vehicle, the wheels and tyres should be checked periodically for
cracks and wear, and should be replaced when necessary.
Replacing / Adjusting Front Forks
NOTE: For this procedure, refer to FIGURE 10.
Replacing
1. Remove the castor from the fork.
2. Remove the dust cover.
3. Remove the locknut and nylon washer
that secure the fork to the castor head-
tube.
4. Drop the fork out of the castor head-tube.
5. Slide the new fork into the castor head-
tube and reassemble by reversing STEPS
1 to 4.
6. Adjust the forks.
7. Repeat STEPS 1 to 6 for the opposite
fork, if necessary.
Adjusting
1. Remove the dust cover.
A. To properly tighten the castor
journal system and guard against
flutter, perform the following check:
B. Tip the transport wheelchair back
to the floor.
C. Simultaneously pivot both forks
and castors to the top of their arc.
D. Let the castor drop to the bottom of
the arc (wheels should swing once
to one side, then immediately rest in a straight downward position).
E. Adjust the locknuts according to freedom of the castor swing.
F. Test the transport wheelchair for manoeuvrability.
G. Readjust the locknuts if necessary, and repeat STEPS C &F until correct.
H. Snap the dust cover over the locknut.
Replacing Front Castors
NOTE: For this procedure, refer to FIGURE 10.
1. Remove the hex screw, washers and locknut that secure the front castor to the fork.
2. Reverse STEP 1 to install new front castor.
3. Repeat STEPS 1 & 2 for the opposite front castor.