Martin DC3700, DC2500 Instruction Manual
2/2002
Martin Door Manufacturing Salt Lake City, Utah 84127-0437 USA www.martindoor.com Printed in the USA 20m Copyright 2002 ©
AD-IM09-05
INSTRUCTION MANUAL
MARTIN DC3700/DC2500 GARAGE DOOR OPENER SYSTEM
TM
DOOR OPENERS
ARTI
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DC3700: Belt only up to 12’ (3700) high doors / DC2500: Chain only up to 10’ (3050) high doors
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Certified
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ISO 9001A8949
MARTIN DOOR MFG.
This instruction manual features “Low Risk” Martin Finger Shield Garage Doors
See page 5 for IMPORTANT INSTALLATION, MAINTENANCE & SAFETY INSTRUCTIONS
WARNING! The back page helps you determine if your garage door is *“HIGH RISK”.
For Installation of residential garage doors:
-All brands* - Center mount only
-Martin models WL, RA, HT, FL SL, SP CM, MO, CH - Center or side mount
-Martin Electric (combination) models WLE, HTE, CME, RAE, FLE, CHE - Center or side mount
2
COPYRIGHT © 2002 MARTIN DOOR
MARTIN SIDE MOUNT OPENER INSTALLATION
- May be mounted right side or left side -
WARNING! For Martin Finger Shield Garage Door Systems only.
PACKET FOR OWNERS
DOOR AND OPENER
INSTRUCTION MANUALS
WARNING AND SAFETY LABEL
TORSION SPRING
OPENER DOOR BRACKET
STRAIGHT AND CURVED
POWER ARM
STRUT
EMERGENCY
RELEASE
TAG
EMERGENCY
RELEASE
CORD
KNOB
TOP DOOR SECTION
PHOTO
EYE
LIGHT
LENS
POWER
HEAD
WALL
CONTROL
OR
PUSH
BUTTON
POWER
HEAD
CHASSIS
“C”
BRACKETS
OPTIONAL
PUNCHED ANGLE
RAIL SUPPORT BRACKET
RAIL ASSEMBLY
BELT OR CHAIN
TROLLEY
OPENER HEADER BRACKET
END STOP WITH CLEVIS
PIN AND COTTER RING
TOP ROLLER BRACKET
OPENER DOOR BRACKET
3/8” X 1” SHORT NECK
CARRIAGE BOLT AND
3/8” LOCK NUT
3/8” X 1” SHORT NECK
CARRIAGE BOLT AND
2- 3/8” LOCK NUTS
TOP DOOR SECTION
OPENER
HEADER
BRACKET
END STOP WITH CLEVIS
PIN AND COTTER RING
ANTENNA
WIRE
TORSION TUBE
3
COPYRIGHT © 2002 MARTIN DOOR
MARTIN CENTER MOUNT OPENER INSTALLATION
- May be mounted off center -
PACKET FOR OWNERS
DOOR AND OPENER
INSTRUCTION MANUALS
WARNING AND SAFETY LABEL
TORSION SPRING
OPENER DOOR BRACKET
STRAIGHT AND CURVED
POWER ARM
TORSION TUBE
EMERGENCY
RELEASE
TAG
EMERGENCY
RELEASE
CORD
KNOB
TOP DOOR SECTION
PHOTO
EYE
WALL
CONTROL
OR
PUSH
BUTTON
POWER
HEAD
CHASSIS
“C”
BRACKETS
OPTIONAL
PUNCHED ANGLE
RAIL SUPPORT BRACKET
RAIL ASSEMBLY
BELT OR CHAIN
TROLLEY
OPENER HEADER BRACKET
END STOP WITH CLEVIS
PIN AND COTTER RING
PHOTO
EYE
LIGHT
LENS
POWER
HEAD
ANTENNA
WIRE
TOP STRUT
THE FOLLOWING ITEMS ARE HELPFUL TO COMPLETE A SATISFACTORY MARTIN GARAGE DOOR OPENER INSTALLATION:
Hammer
Level (magnetic)
Hacksaw
Wire Cutters
18’ (5.5) measuring tape
Socket wrench set for 7/16“ (11), and 9/16” (14) with 3“ (76) extension
Regular and phillips screwdriver
End wrench set for 7/16“ (11), and 9/16” (14)
10/40 motor oil lubricant
Wax lubricant (paraffin, candle, etc.)
Cordless drill with 1/8“ (3), 13/64” (5), 1/4” (6) bits
plus 1/4” and 3/8” (6 and 10) masonry bits
Step ladder (not shown)
Pencil
Punched angle opener hanger: 8' X 1-1/4" X 1-1/4" (2440 X 32 X 32)
NOTE: Bolts, lock nuts and lag screws for fastening the punched angle are
furnished with the door opener hardware fasteners.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
2.
3.
6.
9.
WAX LUBE
10/
40
MT
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11.
10.
4.
1.
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COPYRIGHT © 2002 MARTIN DOOR
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8.
6.
5.
13.
ALL MEASUREMENTS IN
PARENTHESIS ( ) ARE
MILLIMETERS IN THIS
INSTRUCTION MANUAL.
!
IMPORTANT
INSTALLATION INSTRUCTIONS
Do not install this opener or any other opener on "HIGH RISK" garage doors that may cause severe injury, entrapment or death!
See back page for serious injuries which may occur if “HIGH RISK” areas are left uncorrected.
Martin Finger Shield Garage Doors are “Low Risk”.
Untrained or Negligent Installing, Adjusting and Servicing can be Dangerous! The
garage door springs and related parts can cause serious injury or death! IF YOU ARE
UNSURE, CALL A TRAINED MARTIN DOOR DEALER!
Garage door should be balanced and easy to open and close by hand.
Locks should be disabled and pull down ropes should be removed.
Locate wall control/push button within sight of door, at min. height of 5' (1520) so
small children cannot reach it, and away from all moving parts of door. See Step 8.
Emergency release tag should be installed above knob and adjusted to about
6' (1830) above the floor. Opener should be 7’ (2130) above floor. See Step 9.
Risk of electrical shock is explained in Step10. Do not connect opener to source
of power until instructed to do so.
Entrapment and warning labels should be installed next to the wall control/push
button as explained in Step 14.
IMPORTANT
MAINTENANCE & SAFETY INSTRUCTIONS
Monthly, check the opener's down cycle safety reverse. The door must reverse when it
contacts a 1 1/2" (38) high object (or a 2X4 board laid flat) on the floor, in line with the door
opener. A closing door must also reverse if the photo eyes are interrupted. See Steps 12,13.
Always keep the moving door in sight and away from people and objects until it is
completely closed. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR.
Do not allow children to operate or play with the garage door controls. Keep the remote
control away from children.
The emergency release should only be used when garage door is in the closed position.
Weak or broken springs may cause door to fall if released in the open position, increasing
the risk of severe injury or death. Use caution when using the release with door open.
Monthly visually check the lift cables, spring assembly, hardware, etc. for wear and stability.
If the Safety Reverse or any other part of the garage door and opener system do not work
properly, or if you do not understand, call a trained Martin Door Dealer.
TO REDUCE THE RISK OF SEVERE INJURY OR
DEATH, READ AND FOLLOW ALL INSTRUCTIONS
TO REDUCE THE RISK OF SEVERE INJURY OR
DEATH, READ AND FOLLOW ALL INSTRUCTIONS
SAVE THESE IMPORTANT INSTRUCTIONSSAVE THESE IMPORTANT INSTRUCTIONS
COPYRIGHT © 2002 MARTIN DOOR
6
LEFT SIDE MOUNT INSTALLATION
CENTER AND OFF CENTER MOUNT INSTALLATION
OPENER DOOR BRACKET
STRUT (IF PROVIDED)
END
STILE
TOP ROLLER
BRACKET
OPENER DOOR BRACKET
3/8” LOCK NUTS
3/8”x1”
SHORT
NECK
CARRIAGE
BOLT
CURVED
POWER ARM
3/8” LOCK NUTS
CURVED
POWER
ARM
3/8”x1” SHORT NECK
CARRIAGE BOLT
REQUIRED STRUT
CURVED
POWER ARM
DRILL 1/8” (3) HOLE AND FASTEN OPENER DOOR BRACKET TO STRUT AND DOOR SECTION
TORSION TUBE
OPTIONAL POWER ARM ANGLE
FASTEN OPENER POWER
ARM DIRECTLY TO HOLE
AT SAME HEIGHT AS
TOP ROLLERS
STILE
BOLT
OIL
BOLT
HEAD
OPENER
POWER
ARM
POWER ARM
ANGLE
FASTEN TWO
NUTS TIGHT
AGAINST
POWER ARM
ANGLE
FULL HEIGHT
POWER ARM
ANGLE
(FASTEN POWER ARM ANGLE TO STILE WITH 5 1/4” X 1” THREAD FORMING SCREWS AS SHOWN.)
OPENER POWER ARM SHOULD BE FASTENED
INSIDE THE OPENER DOOR BRACKET
OPENER POWER ARM MUST BE FASTENED
OUTSIDE THE OPENER DOOR BRACKET
OPENER DOOR BRACKET
OPENER DOOR BRACKET GUIDELINES
ONLY Martin Finger Shield Garage Door Systems allow you
to choose center, off center or side mounting for a safer,
more attractive opener installation
WARNING! Other brand doors are designed for center mounted
openers only. Off center or side mounted installations may result
in other brand doors binding, side shifting, twisting, and falling, as
the lift cables detach from the cable drums
.
SPECIAL GUIDELINES:
For 8" (203) low clearance track installations, the strut and
the opener door bracket are fastened 2" (51) lower than
shown.
For 2 ½" (64) and 4 ¼" (108) low clearance track
installations the opener door bracket and top roller bracket are
lowered 2" (51). The strut is not lowered. Fasten the opener
power arm to the top hole of the opener door bracket.
A Martin Opener requires 1 ½" (38) more clearance than the
required garage door clearance.
Doors over 18'2" (5540) wide should use side mount opener
installation only. The opener door bracket will not fit on wide
doors with “U” / “C” struts and double end stiles. If door has
double end stiles with double top roller brackets, drill out hole
in end of curved power arm to 7/16" (14) and attach direct to
the long stem roller shaft between the double top roller
brackets. This makes a solid side mount opener installation.
7
COPYRIGHT © 2002 MARTIN DOOR
OPENER HEADER
BRACKET
FIGURE 2
OPENER DOOR
BRACKET
CURVED POWER ARM
THIN VERTICAL MARK
THIN
HORIZONTAL
MARK
FIGURE 1
OPENER DOOR
BRACKET
CURVED POWER ARM
THIN VERTICAL MARK
TEMPORARY TIE
TEMPORARY TIE
5/16” X 2” LAG SCREWS
1/4” X 1” THREAD
FORMING SCREWS
1/4” X 1” THREAD
FORMING SCREWS
CENTER MOUNT
CENTER MOUNT
INSTALLATION INSTRUCTIONS FOR A MARTIN DC3700 GARAGE DOOR
OPENER SYSTEM
THESE INSTRUCTIONS ARE INTENDED FOR PROFESSIONAL GARAGE DOOR
OPENER INSTALLERS. READ THROUGH THE COMPLETE INSTRUCTION MANUAL AND
APPLICABLE SUPPLEMENTAL INSTRUCTIONS BEFORE BEGINNING.
STEP 1
FASTENING THE OPENER DOOR BRACKET
Study "Opener Door Bracket Guidelines” on page 6.
Decide if the opener will be mounted to the center, off center or side of the garage door.
Center and off center mounted openers always require a “full width” top strut on the door. If
side mounted, Martin Doors up to 12'2" (3700) wide may or may not require a top strut.
Fasten the opener door bracket under the top roller bracket for side mounting or on the
stile and strut for center/off center mounting. Fasten with 1/4” x 1” Thread Forming Screws.
Fasten the curved power arm to the opener door bracket with 3/8" X 1" short neck carriage
bolt and two 3/8" lock nuts as shown in the “Opener Door Bracket Guidelines” on page 6.
Raise the curved opener power arm straight up and touch the torsion tube or spring. Make
a vertical mark on header, in line with the power arm. This mark will be the vertically
centered location for the opener header bracket. See Figure 1
Note: To hold the top of the curved power arm from falling down, temporarily tie it to the top
of the door bracket or strut. See Figure 1
Make a horizontal mark on the header 2" (51) above the highest movement of the door as
it opens. See figure 2.
The following are approximate measurements above the top of a closed door to the
horizontal mark on the header:
11 1/2" (292) for 12” (305) regular clearance track.
6 1/2" (165) for 8" (203) low clearance track.
5" (127) for 4 1/4" (108) low clearance track.
3 1/2" (89) for 2 ½" (64) low clearance track.
Fasten the opener header bracket to the header with two 5/16" X 2" lag screws. The
vertical and horizontal marks are the “centered location” marks.
STEP 2
FASTENING THE OPENER HEADER BRACKET
11 ½” (292)
Regular Clearance
TOP OF
CLOSED DOOR
3/8” X 1” SHORT NECK
CARRIAGE BOLT AND
2- 3/8” LOCK NUTS
HEADER
HEADER
REQUIRED
“FULL WIDTH”
TOP STRUT
REQUIRED
“FULL WIDTH”
TOP STRUT
COPYRIGHT © 2002 MARTIN DOOR
FIGURE 4
FIGURE 5
“C” BRACKET
STEP 3
FASTENING THE RAIL ASSEMBLY TO THE POWER HEAD
Place the rail assembly onto the power head chassis by lining up the sprocket assembly
opening with motor shaft. Make sure the shaft engages teeth inside sprocket assembly.
Press rail assembly down firmly onto shaft and power head chassis. DO NOT HAMMER!
Fasten 2 "C" brackets over rail assembly and onto chassis. Flanges on "C" brackets must
fit into the four recessed areas on chassis. The rail assembly must be at a right angle to
the power head for the "C" brackets to fit properly. See Figure 3
Insert 6 X 14 mm chassis screws through "C" bracket holes and into chassis holes, and
tighten screws by hand with a phillips screw driver. The “C” brackets must firmly hold rail
assembly to chassis. See Figures 3, 4.
Do not remove tape around the trolley and straight power arm until Step 9. The trolley
has been taped at the correct location so that the belt or chain position tab will activate the
position switch, and opener computer correctly. The activation begins when the opener
opens the door, from the closed position, for the first time. See Figure 5
Place power head on stepladder, positioning front of rail assembly on torsion tube (or on
torsion spring if side mounted) for stability. See Figure 5
Position rail assembly end-stop within the opener header bracket and insert clevis pin
through the end-stop and opener header bracket Attach the
cotter ring to the end of the clevis pin. See Figure 6
STEP 4
FASTENING THE RAIL ASSEMBLY TO THE OPENER HEADER BRACKET
8
FIGURE 3
FIGURE 6 (Top View)
6 X 14 mm
CHASSIS SCREW
POWER HEAD CHASSIS
RAIL ASSEMBLY
“C” BRACKETS
SPROCKET
ASSEMBLY
OPENING
POWER HEAD
6 X 14 MM CHASSIS
SCREW
POWER HEAD CHASSIS
MOTOR
SHAFT
POSITION SWITCH
OPENER HEADER BRACKET
CLEVIS PIN
COTTER RING
OPENER HEADER BRACKET
RAIL ASSEMBLY
POWER HEAD
LADDER
CURVED POWER ARM
TOP DOOR SECTION
TOP DOOR
SECTION
AI
L
SEMB
Y
R AS
L
TIE
END STOP
TORSION TUBE
TORSION SPRING
“TAPE AROUND TROLLEY”
(DO NOT REMOVE UNTIL
STEP 9)
“C” BRACKET
SPROCKET
OPENING
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