Castor Wheels; Brakes - Invacare esprit action4 NG User Manual

To reduce looseness to a minimum, remove the axle and adjust
the nut with a 19 mm wrench, lock the axle with an 11 mm
spanner.
!
Regularly monitor the cleanliness of the axle and the stop
balls.To avoid any risk of falling, it is absolutely essential that the
button (A) and the stop balls are completely clear to ensure that
the rear wheels are completely locked.
The quick dismantling axle is a precision piece, avoid shocks and
clean it regularly to ensure a good performance.

4.4. Castor Wheels

4.4.1.Wheels
The castor wheels are available with a diameter of 8" (200 mm)
and a width of 2" (50 mm) or with a diameter of 7" (172 mm) and
a width of 1 3/8" (32 mm), they can be supplied with a puncture
proof tyre or band.
NOTE: Refer to paragraph 15 for ongoing maintenance.
4.4.2. Forks
Various fork positions are available based on the options chosen
for seat-to-floor height, castor and rear wheels.
If you wish to change the fork or castor or rear wheels, please
ask for advice from your Distributor.

4.5. Brakes

4.5.1. Handbrakes
The handbrakes (photo 21) are used to immobilise the chair during
prolonged stops.They cannot to be used to slow down the chair or
as a support to carry out a transfer.They must be used together.
Braking is done by pushing the handle (A) towards the front of the
wheelchair. Handle (A) folds back to facilitate transfers. Beforehand,
pull the handle upwards. Once the brakes have been activated, the
chair should not be able to move.
NOTE: the brake adjustments depends on the diameter and type
of wheels used. After repairing a flat tyre or after wear of the tyre
or band, it may be necessary to adjust the brake or brakes with the
screws (B).
To carry out the adjustment, loosen the two screws (B) and slide all
of the brake until you reach between the wheel and the brake pad in
an unlocked position a value (X) as follows:
Band X = 4 mm - Tyre X = 5 mm
A
B
X 21
13