Maintenance Of Your Opener; Replacement Parts - LiftMaster 3750E-1A Instrucciones

MAINTENANCE OF YOUR OPENER

Once a Month:
• Repeat safety reverse test. Make any necessary adjustments.
• Manually operate door. If it is unbalanced or binding, call for
professional garage door service.
• Check to be sure door opens and closes fully.
Adjust Limits and/or Force if necessary.
Once a Year:
Oil door rollers, bearings and hinges. The opener does not require
additional lubrication. Do not grease the door tracks.
SPECIAL FEATURES OF THE 3750E-1A – 26
A. Door within a door connection
Remove cover. Locate auxiliary terminal block. Remove jumper
from terminal leads 1 and 2 (not shown). Replace with contact
switch leads as shown.
B. Flashing light connection
The flashing light can be installed anywhere. Connect light leads to
terminals 3 and 4 on the terminal block.
27
ACCESSORIES –
(1) Model 40E .................................Keyless Entry System
(2) Model 58LM...............................Multi-Function Door Control Panel
(3) Model 760E ...............................Outside Keylock
(4) Model 1702E .............................Outside Quick Release
(5) Model 770E ...............................The Protector System™
(6) Model FLA230 ...........................Flashing Light Kit
(7) Model 16200LM.........................Pedestrian Door Switch
(8) Model 1703E .............................The Chamberlain Arm™
(9) Model MDL100LM .....................Mechanical Door Latch Kit
(10) Model EQL01 ............................Door Handle Quick Release
(11) Model 100027 ...........................1-Position Key Switch
Model 100041 ...........................2-Position Key Switch
WIRING INSTRUCTIONS FOR ACCESSORIES
Keyless Entry System – To opener terminals: Red-1 and White-2
Outside Keylock – To opener terminals: Red-1 and White-2
Protector System™ – To opener terminals: White-2 and Black-3
Door Control Panel – To opener terminals: Red-1 and White-2
114A2129E-GB
(Flush Mount - 100010)
(Flush Mount - 100034)

REPLACEMENT PARTS

SPECIFICATIONS
Rated Pull Force .............800N
Motor
Type................................Permanent split capacitor
Speed .............................1500 rpm
Volts................................230-240 Volts AC-50Hz Only
Current............................2,0 amperes
Drive Mechanism
Gears ..............................16:1 worm gear reduction
Drive ...............................Chain with one-piece trolley on
steel T-rail.
Length of Travel..............Adjustable to 2,3m (7-1/2 feet)
Travel Rate .....................5"-7" (127-178mm) per second
Lamp...............................On when door starts, off 4-1/2 minutes
after stop.
Door Linkage ..................Adjustable door arm. Pull cord trolley
release.
Safety
Personal .........................Push button and automatic reversal in down
direction. Push button and automatic stop in
up direction.
Electronic ........................Independent up and down force
adjustment screws.
Electrical .........................Motor overload protector and low voltage
push button wiring.
Limit Device ....................Circuit actuated by limit nut.
Limit Adjustment .............Screwdriver adjustment on side panel.
Start Circuit .....................Low voltage push button circuit.
Dimensions
Length (Overall) ..............3,1m (122-1/2")
Headroom Required .......5cm (2")
Hanging Weight ..............32 lb (14,5 kg)
D e c l a r a t i o n o f C o n f o r m i t y
Automatic Garage Door Opener.........................................................Model No. 3750E-1A
is in conformity to the
applicable sections of Standards .....................................................EN55014, EN61000-3,
per the provisions & all amendments
of the EU Directives .....................................................................73/23/EEC, 89/336/EEC
D e c l a r a t i o n o f I n c o r p o r a t i o n
Automatic Garage Door Opener Model 3750E-1A, when installed and maintained
according to all the Manufacturer's instructions in combination with a Garage Door,
which has also been installed and maintained according to all the Manufacturer's
instructions, meet the provisions of EU Directive 89/392/EEC and all amendments.
I, the undersigned, hereby declare that the equipment
specified above and any accessory listed in the manual
Chamberlain GmbH
D-66793 Saarwellingen
July 1996
28 – 29
ETS 300 683,
EN60555, & EN60335-1
conforms to the above Directives and Standards.
Colin B. Willmott
Chefingenieur