Sec-2.2
Section 2: Sectional Operator Installation
Complete the Installation
If needed, realign operator sprocket with door sprocket. If you have excessive door shaft movement, an
optional chain tension bracket is available.
Chain Tension Bracket:
Bracket is available as an optional kit for 1 inch door shafts, P/N 111005.0001.S
Installation of optional chain spreader bracket: FIG 1 .
1. Place sprocket, upper plate and bearing assembly on door shaft as shown.
2. Place lower plate, bearing assembly and sprocket on operator shaft as shown.
3. Install chain assembly.
4. Install bolts and nuts through plates.
5. Tighten and align chain and plate and secure operator to wall.
6. Tighten spreader bracket bolts.
7. Tighten set screws.
OPERATOR
SHAFT
DOOR
SHAFT
DOOR SPROCKET
GOES ON FIRST
OPERATOR SPROCKET
GOES ON LAST
DOOR SHAFT
SPROCKET
DOOR SHAFT
KEY
SET SCREW
CHAIN
SET SCREW
OPERATOR
SHAFT
SPROCKET
KEY
CHAIN
TENSION
PLATE
OPERATOR
OUTPUT
SHAFT
SOLID COUNTERBALANCE
SET SCREW
FIG. 1
Finish Installation:
See Sec- 2.4 for Chain Hoist Installation
See Sec- 2.5 for Clutch Adjustment and Release Cord Installation.
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