Nuprodx MULTICHAIR 4000tx User manual
ASSEMBLY & PACKING INSTRUCTIONS FOR THE
MULTICHAIR 4000tx
B
NOTICE:
Please see section 3: LIMITED WARRANTY. If warranty is
not acceptable, return the chair for a full refund. Contact
Nuprodx, Inc. for shipping instructions.
1ASSEMBLY INSTRUCTIONS:
AUnpack all parts from the shipping carton. Remove all
tape and/or packing from the chair. Keep shipping materi-
als for future use.
B Unfold the seat frame, LOCK BOTH OF THE SLIDE
BOLTS, and postition the frame upside down.
CPosition the seat frame upside down and install the
four legs. Note that the top of each leg has a machined
portion approximately one inch wide. The back two legs
have a 1" offset or elbow attached to the end of each leg.
D 1) Position the back two legs so that the offset points
out at a 45-degree angle (note the small pin that mates
with holes in the frame). The top end of each leg should
fit easily into the socket of the frame. Make sure that the
legs slide "home" into the sockets. Use the included ¼"
Allen wrench to tighten the bolts located at the corners of
the frame. For ease of future leg height adjustment, posi-
tion each leg in the socket so that the adjustment holes
face outward.
2) Use the included ¼" Allen wrench to tighten the bolts
located at the corners of the frame. For ease of future leg
height adjustment, position the front legs in the socket so
that the adjustment holes face outward.
multiCHAIR 4000tx and carrying case
C
slide bolts
D
F
G
H
H Install the swing-away footrests:
1) Footrest clamps are installed on the front legs at
the factory.
2) Loosen the pinch bolt and slide up/down as required by
the users leg length
3) Slide the gooseneck tubing/foot paddle into the clamp
E
saddle washer
semi-circle
E1)Turn the chair right side up and install the backrest
assembly (which includes two posts and a cloth back).
Each of the posts has an internal clamp that pushes on
the inside of the back legs.
2) Note that the aluminum saddle washers, on the back-
rest posts) have a semicircle machined to it which mates
with matching points on the seat frame. This feature pre-
vents rotation of the backrest posts.
3) Attach the cloth back by threading it through the
cantilever arms, wrapping it around the backrest posts,
and pressing it against the velcro. Back angle adjustments
are possible by changing the length of the straps.
F This image is a close up of the seat frame showing the
semi-circles.
GThis image is a close up of the saddle washer showing
the semi-circle.
I
3 LIMITED WARRANTY
APlease read this warranty before operating or using your Multichair 4000tx. By operating or using the chair, you
agree to the terms of this warranty. If you do not agree, return the chair to Nuprodx, Inc. and you will receive a full
refund of the price you paid.
B WARRANTY: Nuprodx, Inc. warrants this product against defects in material and workmanship as follows: There
is a 30-day conditional money-back warranty. During that period the chair can be returned for a full refund minus a
20% restocking charge. After that period, there is a three-year limited warranty for all parts except cushions.
Because of the fragile nature of the foam, there is no warranty for the cushions.
C The warranty period begins on the date you receive the chair. For warranty service, please contact Nuprodx, Inc.
no later than one month following the applicable warranty term. The chair will be repaired or replaced at the discre-
tion of Nuprodx, Inc. with no charges to you for parts and labor, provided you have proof of purchase and of pur-
chase date.
D Please do not return the chair to Nuprodx, Inc. without the advance authorization of Nuprodx. Freight charges to
the factory are at your expense, unless otherwise authorized by Nuprodx, Inc.
E DISCLAIMER: Except for the above warranty, and the acknowledgement by Nuprodx, Inc. that the chair, as man-
ufactured by it, is fit for the general purpose for which most persons acquire a chair of its kind, Nuprodx, Inc. pro-
vides that you accept the chair as is, without warranties, either express or implied. Nuprodx, Inc. makes no warranty
of fitness for your particular purpose and no warranty of merchantability beyond that already stated. No warranties
extend beyond the duration of the express warranty stated above.
F WARRANTY LIMITATIONS AND EXCLUSIONS: The only obligation of Nuprodx, Inc. is to provide the purchaser
with free repair and replacement as described above. This exclusive warranty remedy will not have failed as long as
Nuprodx, Inc. is willing and able to repair or replace as described, but if this remedy should be held to have failed,
the only remaining warranty obligation of Nuprodx, Inc.
shall be to refund the acts beyond the control of Nuprodx, Inc.
G This warranty gives you specific legal rights, and you may have other rights that may vary from state to state.
H This warranty does not apply to problems arising from normal wear, improper operation, improper maintenance,
improper storage or similar disclaimer of implied warranties, and some do not allow limitations on how long an
implied warranty may last. Some do not allow exclusion or limitation of incidental or consequential damages. So the
above limitations or exclusions may not apply to you.
I 1) Cantilever side arms: adjust up/down/in/out by slightly
loosening the bolts on the inside face of the clamp attached to
the backrest posts - make the adjustment and retighten.
2) Unlocking the arms (for transfer access) by pressing
rearward on the front edge and pulling up.
2OPERATING INSTRUCTIONS:
ALeg Adjustment: When you adjust the legs, make sure that the brass
buttons are fully seated in the legs. Note: if you push too hard the but-
ton could become stuck inside the inner leg; pop out the black end cap
to fix this.
BLock the brakes on the casters by pushing down on the textured
rear-most part of the caster brake levers. Release the brakes on the
casters by pushing down on the front textured part of the caster brake
levers.
C Seat cushion: The cushion is quality closed-cell foam, designed to
provide comfort and protection. Make sure that you don't pack anything
on top of it - like the back assembly, arm rests, or any tools. Because it
doesn't have air bubbles, the foam will not spring back after being
compressed for a long time: for example on an airplane trip. Any dents
in the foam will not spring back and are permanent.
DPeriodically check the tightness of all bolts and apply light oil to the
threads of the bolts.
4PACKING INSTRUCTIONS
Make sure that you don’t pack anything either
on top or underneath the seat cushion. It’s
constructed of closed cell foam which doesn’t
spring back and once dented will stay that
way permanently
AArrange the four legs (with caster wheels
attached) on the foam panel at the bottom of
the carrying case
BPlace the double sided foam panel on top of
the legs
A
B
C1) Insert the rolled up cloth back in to the
cavity of the seat frame
2) Place the folded seat frame on top of the
double side foam panel
C
D1) Place the backrest posts with folded
cantilever arms around the seat frame (shown
here without the fabric socks)
2) Secure the legs, seat frame, backrest
posts/arms using the black straps which are
attached to the carrying case
D
4 Malone Lane, San Rafael, CA 94903
EPlace the folded footrests, tools, &
instructions in the zipper pouch located in the
lid of the carrying case
E
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