Service Manual
CM-1
CM-1 Service Manual
Click the Procedure to View
Operation and Maintenance Procedures 2
Doors Are Misaligned 3
Only One Door Operating 3
Roller Strap Adjustment 4
Roller Set Screw Adjustment 4
Replacement of Door Roller Straps 5
Hinge Replacement 5
Replacement Parts 6-7
Warranty Service Policy 8
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1
Service Manual
CM-1
Manual Bi-Fold Units
Operation and Maintenance Procedures
Pre-Operation Procedures:
• Unlock all locking mechanisms and ensure
that the doors are free of obstructions.
General Cleaning Guidelines:
• All weather-stripping should be checked and
cleaned weekly.
• All glass, aluminum framing, and stainless
steel should be kept clean at all times. All
cleaning uids and applicators should be non-
abrasive.
General Maintenance:
• Straps should be checked for fraying and for
the correct tension every 6 months.
• Straps noted as frayed or loose should be replaced or adjusted.
• Bottom hinge bearings should be oiled every
6 months.
• To gain access to the internal components for
each window the access panel must be removed - see arrows below.
To gain access to the internal components for each window the access panel
must be removed from the exterior of the
window - see arrows below.
Please refer to the trouble shooting section in this
manual for additional information on the window
adjustments or service procedures.
Contact us at (800) 388-8307 for assistance or
for information on the nearest service center in
your area.
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2
Trouble Probable Cause Probable Solution
1. Roller straps are out of
ad
j
ustment
Adujst strap assembly
2. Loose set screw (2) in roller
assembl
y
Realign hinge and tighten set screw
3. Defective hinge Replace hinge
Doors are misaligned
Trouble Probable Cause Probable Solution
1. Roller straps are out of
ad
j
ustment
Adujst strap assembly
2. Loose set screw (2) in roller
assembl
y
Realign hinge and tighten set screw
3. Defective hinge Replace hinge
Trouble Probable Cause Probable Solution
1. Loose roller strap assembly Adjust and tighten
2. Broken roller strap assembly Replace and adjust strap assembly
3. Loose set screw(s) in roller
assembly
Realign hinge and tighten set screw(s)
Doors are
misaligned
Only one door is operating
Service Manual
Roller Strap Assembly
Part # 5570 - Serial # 26,434 and Lower
Part # 5560 - Serial # 26,435 and Higher
CM-1
Roller Assembly
Set Screws - Two (2) each
Part # 5588 - Serial # 26,434 and Lower
Part # 5587 - Serial # 26,435 and Higher
Hinges
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Service Manual
CM-1
Roller Strap Assembly - G
Part # 5570 - Serial # 26,434 and Lower
Part # 5560 - Serial # 26,435 and Higher
Roller Assembly - E
Set Screws - Two (2) each
Part # 5588 - Serial # 26,434 and Lower
Part # 5587 - Serial # 26,435 and Higher
Adjustment and Replacement Procedures
Roller Strap Adjustment:
1. Loosen both 7/16” nuts on part G.
2. Insert any average size screwdriver through
one eyebolt on part G.
3. Hold the other eyebolt on part G between the
thumb and forenger; turn turnbuckle clockwise or counter-clockwise with a 7/16” openend wrench until the doors are aligned.
4. Tighten locknuts and apply non-permanent
thread-lock.
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Roller Set Screw Adjustment:
1. Align both doors to an equally “open” position
until you see the roller set screws (Fig.2-E)
2. Remove the set screw(s) with a 3/16” hex
head wrench (Note: Rollers may have 2 set
screws each).
3. Apply non-permanent thread-lock to the set
screw(s) threads.
4. Replace set screw(s), tighten, and close
doors.
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Service Manual
CM-1
Roller Strap Assembly - G
Part # 5570 - Serial # 26,434 and Lower
Part # 5560 - Serial # 26,435 and Higher
Fig. I
Replacement of Door Roller Straps:
1. Remove frayed or broken strap by loosening
the turnbuckle on part G. Fig. 2. You may rst
need to loosen the opposite strap tension in
order to replace the broken strap. Hold the
other eyebolt on part G between the thumb
and forenger; turn turnbuckle clockwise or
counter-clockwise with a 7/16” open-end
wrench.
2. Install the new strap in the reverse order that
the defective set was removed. Once in place,
check to make sure that the top strap set is
wrapped around the rollers opposite the bottom set.
3. Tighten both strap sets by turning turnbuckle
bodies about halfway up the threaded eyebolts. Tighten in sequence until both strap
sets are taut and both doors are aligned.
4. Apply non-permanent thread-lock.
Fig. L
Fig. K
Hinge Replacement:
1. Remove hinge screws on Part #5590, 5591,
5593, and 5592 -(Fig. 2-I, J, K, L)
2. Remove door(s).
3. Remove all strap assemblies (see Replacement Procedures).
4. Remove Roller set screws (2 per roller).
5. Remove hinge by pulling it out of the roller
with upward force. (Note: you may have to
use pliers or vise grips).
6. Install new hinge through the top of the base.
Hinge will go through the hinge spacer, o-ring,
bearing, roller bushing, top retainer washer,
roller, bottom retainer washer, roller spacer
bushing, and bearing. See parts on Fig. 2.
7. Reinstall the hinge screws. Do not fully tighten.
After all screws are installed, align the door(s)
so that the door clearance is the same at the
top as it is at the bottom. Tighten screws.
8. Reinstall the strap assemblies and apply nonpermanent thread-lock (see Replacement
Procedures).
Fig. J
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Set of Screws
2 Each
Service Manual
Hardware Details
Key No. Part No. Description
A 5522 Bottom Bearing Bar (Includes Bearings)
B 5523 Upper Bearing Bar (Includes Bearings)
C 1012 Bearing
CM-1
D 1004 Roller Spacer Bushing
E 5588 Aluminum Roller - Set Screws
Serial # 26,434 and Lower
E 5587 Aluminum Roller - Set Screws
Serial # 26,435 and Higher
F 1013 Rubber O-Ring
G 5570 Roller Strap Assembly
Serial # 26,434 and Lower
5560 Roller Strap Assembly
Serial # 26,435 and Higher
All left and right designations are shown from the
operator’s point of view, or inside looking out of the
window unit
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Service Manual
Key No. Part No. Description
I 5590 L/H Bottom Hinge Assembly
J 5591 R/H Bottom Hinge Assembly
K 5593 R/H Top Hinge Assembly
CM-1
L 5592 L/H Top Hinge Assembly
M 1007 Top Hinge Bushing
N 3631 Bottom Retainer Washer
O 3643 Top Retainer Washer
P 1915 Hinge Space Bushing
All left and right designations are shown from the
operator’s point of view, or inside looking out of the
window unit
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Service Manual
Warranty Service Policy
CM-1
1. Quikserv Corp. MUST be notied of a warranty situation before any work is performed.
Otherwise, Quikserv Corp will not be responsible to pay for unauthorized work.
2. Quikserv Corp. requires the following on each
invoice submitted: an itemized account of work
performed detailing hours charged and parts
used, along with a short detailed description
of the problem noted.
3. Quikserv Corp. will authorize a set dollar
amount to be invoiced prior to performing services that will be rendered. This amount will
be determined from the initial call to the service company as a fair maximum. If additional
amounts are to be invoiced, they must be discussed with Quikserv Corp. prior to invoicing.
4. A service technician on a warranty service call
needs to call our customer service department
at (800) 388-8307 or (713) 849-5882 before
leaving the job site.
5. A service company representative needs to
call the store where the work is to be performed prior to going to that store. Set up a
date and approximate time of arrival and if it
is foreseen that the agreed upon time cannot
be met, contact the store and make other arrangements.
7. Quikserv Corp. needs to be notied of any extra parts - either to be sent back or to be kept
by the service technician. Any parts that were
replaced must be returned to Quikserv Corp.
if required verbally or on the service work order copy supplied with the parts sent by Quikserv Corp. If the parts are not returned, the
part cost + mark up will be deducted from the
service invoice.
8. A purchase order number will be given either
verbally or on the service work order from
Quikserv Corp. Please use this on all invoicing.
9. Work required on a window unit not covered
under Quikserv’s warranty must be reported
to Quikserv Corp. before work is begun.
10. Quikserv’s payment terms are net 30. The information above will help us assure the fast-
est and most efcient service possible. For
further information or if you have any questions, please do not hesitate to contact us at
(800) 388-8307.
Customer Service Department
6. Warranty parts sent to service companies are
parts previously decided on that should cover
the necessary repairs. Additional parts will be
sent upon notication to Quikserv Corp.
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