Repair Parts - Model Bg790 - Chamberlain LiftMaster Professional BG770 Owner's Manual

INDIVIDUAL PARTS
ITEM PART # DESCRIPTION
1 03-8024-K 3 Pole Contactor
2 07-8007 Arm Hub
3 07-8058 Crank Link
4 07-8063 Upper Crank
5 07-8064 Lower Crank
6 10-8014 Switch Bracket
7 10-8016-T Tan Top Cover
8 10-8017-T Tan Access Cover
9 10-8021 Electrical Panel
10 10-8026 Bearing Plate
11 10-8051-T Tan Housing
12 10-8055 Counterweight Clamp
13 11-8061 Main Shaft
14 12-8032 4 Bolt Flanged Bearing
15 12-8033 Female Rod End
16 12-8034 Female Rod End
17 15-5032 50B32 Sprocket
18 15-9020 50B12 Sprocket
19 16-8002 Cogged Belt
20 17-2001 8" Pulley
21 17-2002 2" Pulley
22 21-3260-1 Transformer
23 23-2017 SPDT Limit Switch
24 23-2761 Rocker Switch
25 23-8001 Toggle/Outlet Combination
26 24-24-1 24Vac DPDT Relay
27 24-24-6 3 PDT 24V Relay
28 28-3000 Switch Box
29 28-8003 Duplex Outlet Cover
30 32-8002 Gear Reducer
31 42-110-2 10 Position Terminal Block
32 42-3608 8 Position Terminal Block
33 65-1208 Wishbone Arm
34 65-8056 Counterweight Kit
35 80-1003 6-32 Tinnerman Nut
36 80-207-36 1/4 x 1/4 x 1-1/4 Disconnect Key 1
37 80-8001 Access Panel Lock
38 82-HN52-18 1/2-20 x 1-1/4 Hex Head Bolt
39 82-HN52-20 1/2-20 x 1-1/2 Hex Head Bolt
40 82-HN75-26 3/4-10 x 2-1/2 Hex Head Bolt
41 82-NH38-06CP 3/8-16 x 3/8 Cone Point Set Screw 8
42 84-JH-76 3/4-16 Jam Nut
43 84-RH-75 3/4-10 Hex Nut
44 85-FW-50 1/2 Flat Washer
45 85-LS-50 1/2 Split Lock Washer
46 91-G0122 Limit Collar
NOT SHOWN
02-102 Open/Close Key Switch
03-ABDIN-4 DIN Rail
10-8027 Electrical Panel Hanger Kit
11-8062 Intermediate Shaft
13-8000 Metal Gasket
13-8001 Rubber Grommet
19-5051 #50 Chain
19-9024 #50 Chain Master Link
19-9025 #50 Chain Half Link
31-10-17 1-32 x 1-1/8 Spacer
31-2712 Nylon Sensor Spacer
74-G0133 Control Box
80-1904N Failsafe Board Stand Off
80-5001 3/16 x 3/16 x 1-3/4 Key
80-575 3/4 Flat Washer
R E P A I R P A R T S - M O D E L B G 7 9 0
QTY
1
2
1
1
1
1
1
1
1
1
1
2
1
5
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
18
6
2
1
2
24
38
4
1
1
1
1
14
2
1
1
1
2
6
1
8
1
4
INDIVIDUAL PARTS
ITEM PART #
NOT SHOWN
80-G0135
80-G0185
80-G0187
80-G0188
80-G0211
81-8000
82-CB31-26
82-HN25-08
82-HN25-18
82-HN31-16
82-HN50-20
82-HN50-25
82-HN50-28
82-NH31-06CP 5/16-18 x 3/8 Set Screw
82-PX06-06T 6-32 x 3/8 Self Tapping Screw
82-PX06-28
82-PX08-04T 8-32 x 1/4 Self Tapping Screw
82-PX08-10T 8-32 x 5/8 Self Tapping Screw
82-RS10-20
82-SH10-18
84-JH-76L
84-RH-50
84-WH-10
84-WH-25
84-WH-31
84-WH-38
84-WN-25
85-FW-31
85-FW-38
85-LS-31
85-LS-75
91-G0128
94-G0233
94-G0234
VARIABLE PARTS
ITEM PART # DESCRIPTION
47 20-XXXXX-X Motor
20-1050B-2P 1/2HP - 115/208/230Vac - 10-60Hz
Used on: BG790-50-11,
BG790-50-21, BG790-50-81
20-3050B-4E 1/2HP - 208/230/460Vac - 30-60Hz
Used on: BG790-50-23,
BG790-50-43, BG790-50-83
20-3050M-5 1/2HP - 575Vac - 30-60Hz
Used on: BG790-50-53
48 24-XXX-X Relay
24-115-1 115Vac Relay
Used on: All 115Vac, 10 Models
24-230-5 208/230Vac Relay
Used on: All 208/230Vac,
10 Models
49 25-XXXX Fuse
25-2006 6A Fuse
Used on: BG790-50-21
25-2010 10A Fuse
Used on: BG790-50-11
19
DESCRIPTION
3/8-16 x 18 Threaded Rod
1/2 x 1/2 x 2-1/2 Key
1/2 x 1/2 x 1-3/8 Key
1/2 x 1/2 x 2 Key
5/16 x 1-1/4 Stud
Shock Mount
5/16-18 x 2-1/2 Carriage Bolt
1/4-20 x 1/2 Screw
1/4-20 x 1-1/4 Screw
5/16-18 x 1 Hex Head Bolt
1/2-13 x 1-1/2 Hex Head Bolt
1/2-13 x 2-1/4 Hex Head Bolt
1/2-13 x 3 Hex Head Bolt
6-32 x 3 Screw
10-32 x 1-1/2 Screw
10-32 x 1-1/4 Screw
3/4-16 Left Hand Jam Nut
1/2-13 Hex Nut
10-32 Serrated Washer Nut
1/4-20 Serrated Flange Nut
5/16-18 Serrated Flange Lock Nut 12
3/8-16 Serrated Flange Nut
1/4-20 Wing Nut
5/16 Flat Washer
3/8 Flat Washer
5/16 Split Lock Washer
3/4 Split Lock Washer
Electrical Enclosure
Power Cable
Motor Cable
QTY
2
1
3
1
4
8
4
2
4
4
4
12
2
1
6
2
6
4
2
2
1
18
10
14
8
2
8
12
4
2
1
1
1
QTY
1
1
1