Seat And Backrest Adjustment - Invacare Spectra Plus Technical Manual

Spectra Plus Tech Manual

SEAT AND BACKREST ADJUSTMENT

Before, sitting in the chair, make sure it is NOT switched ON. If it is ON, the battery condition indicator (10
Bar display) will be illuminated..
Seat Depth Adjustment – 35 Mm Depth Adjustmen
The individual fitting of the seating allows the seat depth to be adjusted by 25mm (1½") The adjustment, which
is usually only done once, is carried out as follows, you will need a large cross-headed screwdriver and a 13mm
spanner.
1. Prise off plastic cap at point A, unscrew and remove the screw and nut, repeat each side.
2. Move the backrest mounting bracket backwards to the extended position. Replace the nut and
screw into the selected hole and firmly fasten, replace plastic cap, repeat each side.
Backrest Angle Adjustement
The backrest angle can be adjusted from 90° rearwards through 12°. The adjustment, which is normally only
required to be done once, is carried out in the following sequence (see diagram) with the aid of the 12mm
spanner and cross-headed screwdriver. Do the same adjustment for both sides.
1. Release the lock nut B located on the cross-headed
screw
2. Unscrew the locking hand-wheel C partially out.
3. Screw the cross-headed screw in out to give the
desired position. Adjust position of hand-wheel as
necessary.
4. Position to lock B up to the mounting bracket and
fully tighten.
5. Re-tighten the hand wheel C fully, ensure backrest
assembly is secure.
Please note: Each backrest tube must be positioned in the
same plane or the backrest will be twisted.
The backrest can be either folded down or
detached from the chair base.
Follow these additional instructions:-
1. Unscrew the hand-wheel C approximately five full turns. Lift the backrest upwards and then fold
forwards into the seat. Adjust armrest width to accommodate if required.
2. To detach, unscrew the hand-wheel an additional three to four turns. Dot not loosen the cross-
headed screw.
3. Push the backrest slightly forward and lift upwards.
4. To re-locate the backrest assembly, ensure the pins are correctly aligned into the slots of the
mounting bracket, fully re-tighten the hand wheel on both sides.
19/01/2004
Section
Page 19 of 78