Invacare Motion Concepts Ultra Low Maxx, Service Manual Supplement, Page: 55 / 100

Armrests
9 Armrests
9.1 Replace Armrest Receiver
A
B
K
C
J
F
I
C
E
D
G
H
J
B
Fig. 9-1
Fig 3–19 shows right armrest receiver. Left armrest
receiver replaces in the same manner.
For tightening torques on hardware, refer to
Tightening Torques .
1. Unlock the lever lock A and disengage the universal
plug B from the armrest receiver C .
2. Pull outward on the plunger D at the rear of the
armrest.
3. Remove the armrest assembly E .
4. Remove the two mounting screws
F
and washers
G
that secure the armrest receiver to the square nuts H
located inside the seat frame channel I .
5. Remove the square nuts from the seat frame channel.
6. Remove the mounting screw J that secures the
universal plug to the vertical support tube
K
.
7. Discard the existing armrest receiver, universal plug
and all attaching hardware.
8. Secure new universal plug B to vertical support tube
K
with new mounting screw
J
. Tighten until joint
moves freely but without play.
9. Slide square nuts into seat frame channel.
10. Secure the new armrest receiver to the square nuts
located inside the seat frame channel.
11. Insert the universal plug into the armrest receiver and
the lock lever should engage to lock armrest in place.
12. Pull outward on the plunger
D
and insert the end of
the armrest assembly into the upper mounting bracket.
Release the plunger to lock the armrest in place.
Push down on arm sharply to set plug for the
first time and pull up to ensure it locks in place.
9.2 Replacing the Cantilever Flip-Up
Armrest
H
B
C
E
F
G
J
I
D
A
D
Fig. 9-2
Fig 3–22 shows curved cantilever arm. Straight
cantilever arm replaces in the same manner.
For tightening torques on hardware, refer to
Tightening Torques .
1. Remove the mounting screw C , washers D , coved
spacers E and locknut F that secure the bottom of
the cantilever arm
A
to the seat frame mounting
bracket.
2. Remove the two mounting screws
I
, washer
J
and
clamping bar (not shown) that secure the upper
mounting bracket
G to the backrest tube H .
3. Secure the upper mounting bracket to the backrest
tube with the two mounting screws, washer and
clamping bar (not shown).
4. Secure the bottom of the cantilever arm to the
seat frame mounting bracket with mounting screw,
washers, coved spacers and locknut.
9.3 Adjusting cantilever flip-up armrest
Adjust armrest width
Tools:
• 6 mm Allen key
1. Remove screw A .
2. Adjust armrest B to desired width.
3. Insert and tighten screw.
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