Handicare Y-E-S Series PUMA, Service Manual

Page: 17 / 102

Maintenance
Version 2015v1 17
Fit the (new) wheel as follows:
•
Apply a layer of grease on the output shaft (F) of the drive unit.
•
Place the entire wheel on the output shaft of the drive unit.
Make sure the notch in the rim falls over the key.
•
Apply a few drops of thread-locking adhesive (Locktite 248) on bolt (C).
•
Screw the bolt with the washers into the threaded hole of the output shaft of the drive unit and use
a torque wrench to tighten the bolt to 50Nm.
•
Fasten the cap (B) by tightening the (3 mm Allen) screw (A).
•
Remove the support from under the wheelchair.
The wheelchair is ready for use.
•
3.4 Swivel wheels
To ensure proper operation of the wheelchair, it is very important that the tyres are kept at the correct pressure.
Soft tyres yield less than optimum driving for the wheelchair. It also takes more energy to move the wheelchair
forward, putting a heavier load on the batteries. Moreover, when driving on soft tyres, tyre wear is unnecessarily
great.
See 'technical specifications' for the correct tire pressure.
When pumping the tires up, note that the pressure may never exceed the maximum specified value
provided in the 'technical specifications’ table, or as indicated on the side of the tire. When in doubt,
contact your dealer/supplier.
See the 'maintenance table' for the inspection of the tyres.
3.3.3 Replacing the driven wheel
When replacing the driven wheel, make sure not to switch
off the neutral, so that the wheel does not turn.
Replace as follows:
•
Support the wheelchair so that the wheel is off the
ground.
•
Remove the cap (B) by unscrewing the (3 mm
Allen) screw (A).
•
Using a box spanner with width of 17 mm,
unscrew bolt (C) with the washers.
•
Remove the complete wheel (D) from the output
shaft of the drive unit.
When the drive wheel is removed, a key (E)
may come loose or remain in the rim. This
key must be slid into the key way of the
output shaft of the drive unit.
If no key is fitted, this will cause drive
problems.
D
C
B
A
E
F