Seating; Firm Seat Board; Seat Cushions; Changing Seat Depth On The Standard Rehab Seat - Sunrise Medical Wheelchair Directions For Use Manual

6. Seating

6.1. Firm seat board

The Firm Seat Board is designed
to allow pressure relief cushions
such as Jay to be used. If Retro-
fitting the firm seat board you must
ensure the two retaining screws
and collars are fitted and that the
seat hooks are located behind
them prior to use (Fig. 45). Failure
to do this may result in the seat
tipping up and possibly causing
injury.

6.2. Seat cushions

Seat cushions supplied by Sunrise Medical will have Velcro
that correspond to patches on the seat. You must ensure these are
aligned prior to using the wheelchair. Other cushions used should
also have Velcro ® strips in a similar position to ensure the cushion
does not slip off the seat. The seat cushions, supplied by Sunrise
Medical all have removable covers.
6.3. Changing seat depth on the
Standard Rehab Seat
To change the seat depth loosen
the two clamps on each side of the
seat rails. The backrest can now
be moved to the desired position
along the seat rail. Tighten the four
bolts at the clamps on each side of
the backrest. Make sure you have
at least 1cm of the rear of the seat
rail tube left when adjusting the
maximum seat depth (Fig. 46 and
47).

6.4. Changing seat height

To change the seat height loosen
the four nuts of the receivers of the
seat module Interface (Fig. 48 and
49) on the bottom frame with two
13 mm spanners. Take the bolts off
the frame. Make sure the top frame
does not trap your fingers. Hold
the top frame securely in the up
position. Adjust the seat height by
choosing your required hole positi-
on of the Module Interface and
replace the bolts and the nuts.
Tighten them securely.

6.5. Removable seat covers

The seat covers are all fully remo-
vable using zips or Velcro ®. once-
brackets are removed seat covers
can be removed. The zip for the
backrest is located on the under-
side of the cushion.
12
GROOVE
Fig. 45
® strips
Fig. 46
Fig. 47
Fig. 48
Fig. 49
6.6. Backrest removal and refit-
ting (Rehab and Comfort Seat
only)
Although there are a variety of
back upholsteries which can be
used on the GROOVE backrest
structure, they all attach and relea-
se in the same way. To remove the
standard backrest (Fig. 50 and
loosen the screws on the base of
the backrest and pull up the back.
To attach the backrest repeat the
process in reverse. You must
ensure the two screws are securely
locked in position and the backrest
is correctly and firmly attached
prior to using your chair.

6.7. OPTIMA backrest upholstery

GROOVE can be supplied with
optima backrest upholstery, which
can be adjusted in tension to the
individual's requirements. (Fig.
6.8. Changing the shape or
tension on the OPTIMA back
To change the shape and/or tensi-
on of the 'Optima' backrest remo-
ve the padded cover from the rear of the backrest and expose the
tension straps. Loosen or tighten the straps to suit. (The most
comfortable and supportive position is achieved with the
wheelchair user seated in the chair). Ensure the straps are securely
fastened and replace the padded cover prior to use.
6.9. Manual adjustable backrest
(manual recline)
For depth adjustment see section
6.3. above. To recline the backrest
angle simply pull the lever at the
top of the backrest which operates
the gas strut. Hold the lever and
adjust the back angle required. If
you release the lever, the angle will
stay in the adjusted position. If you
want to adjust the backrest into
the upright position you might
need to support the upward moti-
on (Fig. 53).
6.9.1. Manual angle adjustment
of the fixed back
To adjust the back angle, release
the two outer screws of the back
adapter plate on both sides of the
frame. After removing the screws
you can set the back angle bet-
ween -3 degrees and 12 degrees
in 3 degree steps. Then retighten
the outer screws in the adapter
plate. (Fig. 54)
Fig. 50
51)
Fig. 51
Fig. 52
52).
Fig. 53
Fig. 54
0705/1/ST-000690620.EMS