Assembly, Step 1 attach the rail to the motor unit, Step 2 attach the chain spreader – Chamberlain 3595LM User Manual

Page 6: Step 3 attach the chassis support bracket, Warning caution warning warning, Assembly step 1, Assembly step 3, Assembly step 2

Advertising
background image

Washered Bolt
5/16"-18x1/2"

Lock Nut

6

ASSEMBLY STEP 1

Attach the Rail to the Motor Unit

To avoid installation difficulties, do not run the
garage door opener until instructed to do so.

• Remove the bolt and lock nut from the top of the

motor unit.

• Place rail onto the bolt mounted on the motor unit

and align the back hole with the hole in the top of
the unit.

• Fasten rail with the washered bolt and lock nut

previously removed. Tighten securely. (Figure 1)
Remember to use only these bolts/fasteners!
Any other bolts/fasteners will cause serious
damage to the opener.

Hex Screws
8-32x1"

Chain
Spreader

Motor Unit
Sprocket

Washers

To avoid SERIOUS damage to opener, ONLY use
bolts/fasteners, mounted in top of motor unit.

WARNING

CAUTION

WARNING

WARNING

ASSEMBLY STEP 3

Attach the Chassis Support Bracket

• Position the rail support bracket on the unit.

• Attach the bracket to the rail with 1/4"-20x5/8" hex

bolts and lock washers. Do not overtighten.

• Attach the bracket to the opener by inserting a

5/16"-18x1/2" washered screw through a hole in
each side flange and a matching hole in the
bracket. Complete the connection by inserting the
#8-32x3/8" screw through the back flange and the
hole in rail support (Figure 4).

Proceed to Assembly Step 4.

To avoid possible SERIOUS INJURY to fingers from
moving garage door opener:
• ALWAYS keep hand clear of sprocket while operating

opener.

• Securely attach chain spreader BEFORE operating.

WARNING

CAUTION

WARNING

WARNING

Hex Bolts 1/4"-20x5/8"
w/Lock Washers

Chassis
Support
Bracket

Washered Bolt
5/16"-18x1/2"

Washered Bolt
5/16"-18x1/2"

Screw
#8-32x3/8"

Opener
Back Flange

Opener
Side Flange

6-Tooth
Sprocket

Chain Spreader

Motor Unit
Mounting Plate

Figure 1

Figure 2

Figure 4

ASSEMBLY STEP 2

Attach the Chain Spreader

• Attach chain spreader to the motor unit with two

screws (Figure 2).

• Guide the chain around the selected groove in the

chain spreader, to engage either the 8-tooth
sprocket or the 6-tooth sprocket (Figure 3).

NOTE: The 6-tooth sprocket is for use with
Carriage House Doors and the 8-tooth sprocket is
for use with Regular Doors.

8-Tooth
Sprocket

Chain Spreader

Motor Unit
Mounting Plate

Figure 3

Advertising