LiftMaster T T LOGIC CONTROL VERSION 2 Manual - Page 4

Operator Preparation - the professional line

Get LiftMaster T PDF manuals and user guides View all LiftMaster T manuals
Add to My Manuals
Save this manual to your list of manuals

Page 4 highlights

OPERATOR PREPARATION WARNING KEEP DOOR BALANCED. STICKING OR BINDING DOORS CAUTION MUST BE REPAIRED. DOORS, DOOR SPRINGS, CABLES, PULLEYS, BRACKETS AND THEIR HARDWARE MAY BE UNDER EXTREME TENSION AND CAN CAUSE SERIOUS PERSONAL INJURY OR DEATH. CALL A PROFESSIONAL DOOR SERVICEMAN TO MOVE OR ADJUST DOOR SPRINGS OR HARDWARE. POWERHEAD ATTACHMENT WARNING 1. Position the track assembly on the frame of the powerhead so that the motor side of operator is in back (away from door ). WARNING 2. Loosely install two 3/8"-16 x 3/4" bolts and nuts in third hole from the end of the track . 3. Align the track so that the bolts inserted in step 2 line up with the L-Slots in the frame. TRACK ASSEMBLY 1. Using the 3/8"-16 x 3/4" bolts and flange hex nuts supplied, assemble the operator track by installing and tightening the track spacer brackets. Position the spacers evenly over the length of the track. NOTE: The nylon pad on the spacer bracket should face up. 2. Using (2) 3/8"-16 x 1" bolts and lock washers, install the front idler assembly to the second set of holes of one end of the track. Refer to the illustration below. 3. Slide the trolley carriage onto the track so that the take-up bolt will be toward the operator. 4. Connect the track to the powerhead by fastening two 3/8"-16 x 3/4" bolts and nuts through the frame and the end holes in track. Tighten all four bolts to secure the track to the powerhead. TROLLEY CARRIAGE / CHAIN ATTACHMENT 1. Attach the take-up bolt to the trolley carriage using 3/8-16" hex nuts and lock washer, as shown below. 2. Using one of the master links, attach the chain to the other end of the trolley carriage. Reel the chain around the front idler shaft, over the spacer brackets, back to the drive shaft sprocket, and then to the take-up bolt on the carriage. Front Idler Assembly 3. Using the other master link, attach the chain to the take-up bolt and tighten to the desired chain tension. Reel chain around idler and over spacer brackets Chain Tension: With trolley positioned at either end of the track, a properly adjusted chain will sag about 3" at the mid-point. If necessary, remove links from the chain to aTcrholileeyvCearpriraogeper adjustment. Trolley Assembly Master Link Hex Nut Lockwasher Trolley Carriage Take-up Bolt Hex Nut Master Link Roller Chain Take-up Bolt Spacer Bracket (mounted nylon pad side up) L - Slot Straight Arm 4

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
4
OPERATOR PREPARATION
Spacer
Bracket
(mounted nylon pad side up)
Front Idler Assem
b
ly
L - Slot
Master Link
Take-up Bolt
Roller Chain
Master Link
Hex
Nut
Straight Arm
Lock
w
asher
Hex Nut
Trolley Assem
b
ly
Take-up Bolt
Trolley Carriage
Reel chain
around idler and
o
v
er spacer
b
rackets
POWERHEAD ATTACHMENT
1. Position the track assembly on the frame of the
powerhead so that the motor side of operator is in back
(away from door ).
2. Loosely install two 3/8"-16 x 3/4" bolts and n
u
ts in third
hole from the end of the track .
3. Align the track so that the bolts inserted in step 2 line
u
p
with the L-Slots in the frame.
4. Connect the track to the powerhead by fastening two
3/8"-16 x 3/4" bolts and n
u
ts thro
u
gh the frame and the
end holes in track.
Tighten all fo
u
r bolts to sec
u
re the
track to the powerhead.
TROLLEY CARRIAGE / CHAIN ATTACHMENT
1. Attach the take-
u
p bolt to the trolley carriage
u
sing
3/8-16" hex n
u
ts and lock washer, as shown below.
2. Using one of the master links, attach the chain to the
other end of the trolley carriage.
Reel the chain aro
u
nd
the front idler shaft, over the spacer brackets, back to
the drive shaft sprocket, and then to the take-
u
p bolt on
the carriage.
3. Using the other master link, attach the chain to the
take-
u
p bolt and tighten to the desired chain tension.
Chain Tension:
With trolley positioned at either end of
the track, a properly adj
u
sted chain will sag abo
u
t 3" at the
mid-point.
If necessary, remove links from the chain to
achieve proper adj
u
stment.
KEEP DOOR BALANCED. STICKING OR BINDING DOORS
MUST BE REPAIRED. DOORS, DOOR SPRINGS, CABLES,
PULLEYS, BRACKETS AND THEIR HARDWARE MAY BE
UNDER EXTREME TENSION AND CAN CAUSE SERIOUS
PERSONAL INJURY OR DEATH. CALL A PROFESSIONAL
DOOR SERVICEMAN TO MOVE OR ADJUST DOOR SPRINGS
OR HARDWARE.
WARNING
TRACK ASSEMBLY
1. Using the 3/8"-16 x 3/4" bolts and flange hex n
u
ts
s
u
pplied, assemble the operator track by installing and
tightening the track spacer brackets.
Position the
spacers evenly over the length of the track.
NOTE:
The nylon pad on the spacer bracket sho
u
ld
face
u
p.
2. Using (2) 3/8"-16 x 1" bolts and lock washers, install the
front idler assembly to the second set of holes of one
end of the track. Refer to the ill
u
stration below.
3. Slide the trolley carriage onto the track so that the
take-
u
p bolt will be toward the operator.