Chamberlain 2000 Series User Manual

1. Install brake drum on clutch pulley shaft as
illustrated in Fig. A.
2. Attach the four spacers provided to back of brake
pulley assembly housing using four 5/16 x 5/8
sems screws (Fig. B).
3. Push brake lever engaging nylon stud release
between brake shoes and align brake drum
between brake shoe assembly (Fig. B).
4. Adjust spring loaded bolt on brake shoe assembly
so that spring is compressed to 1".
5. Mount brake assembly housing to operator frame
using the four spacers and 5/16 x 3/8 sems screws
(See Fig. B).
6. Remove plug from 7/8" hole in electrical box and
attach conduit assembly.
7. Connect wires per master wiring diagram, (See
"brake optional").
8. Reconnect power to the operator.
9. Test for proper brake operation and replace brake
cover.
ADJUSTMENT: The brake assembly is self-
adjusting and should not require further
adjustment.
ITEM PART NO. DESCRIPTION & QUANTITY
1 17D111 Brake Box (1)
2 204B118 Solenoid 115V (1)
204B118-1 Solenoid 230V (1)
204B118-2 Solenoid 460V (1)
3 113B49 Brake Lever, Pivot (1)
4 179A46 Brake Release Stud
5 142A143 Brake Stud Plate (1)
ITEM PART NO. DESCRIPTION & QUANTITY
6 1B4421 Brake Shoe Assy. (2)
7 60B31 Brake Drum (1)
8 179B45 Brake Pivot Stud (3)
9 184A111 Brake Spacer (4)
10 1B3933 Conduit Assy. M-Series (1)
1B4044 Conduit Assy. H-Series (1)
11 31D387 Cover (1)
12 31A388 Dome Plug (1)
REPAIR PARTS FOR BRAKE ASSEMBLY
Brake Drum
3/4" Washer
3/4" Washer
Cotter
Pin
Cotter
Pin
A
Clutch
Pulley
Shaft
5

6
2
1
8
9
10
7
12
Spacer
Push Brake Lever
to Disengage Brake
Shoe Assembly
Brake Shoe
Assembly
5/16" x 5/8"
SEMS Screw
B
Brake Drum
5/16" x 5/8"
SEMS Screw
Nylon
Stud
Release
3

4

11

Spacer
Brake Drum
3

4

5

6
2
1
8
9
10
7
12
5

11

KIT NO. DESCRIPTION
1A3989 115V Solenoid Brake, M - Series
1A4045 115V Solenoid Brake, H - Series & APT 2211
1A4046 230V Solenoid Brake, H - Series
1A4047 460V Solenoid Brake, H - Series
1A3989, 1A4045, 1A4046 & 1A4047
BRAKE INSTALLATION & ASSEMBLY PARTS
WARNING
TO AVOID SERIOUS PERSONAL INJURY OR DEATH
FROM ELECTROCUTION, DISCONNECT
ELECTRICAL POWER TO OPERATOR BEFORE
PROCEEDING.
9

Chamberlain 2000 Series Specifications

General

Brand	Chamberlain
Model	2000 Series
Category	Gate Opener
Language	English