Preparing The Installation; Unpack Carton - Chamberlain LiftMaster BG770 Installation And Maintenance Manual

Preparing the Installation

Unpack Carton

1 Unpack the carton, checking for possible damage during shipping. The arm (when supplied) is
packed separately. Damage claims must be filed with the freight carrier.
2 Check that the nameplate data (inside service cover) accurately matches the operator that
was ordered.
3 Verify that the following parts are included with the standard unit.
MODEL BG770 PACKING LIST
PART NUMBER
02-102
07-8007
01-G0674
10-8007M
80-G0187
82-NH38-06
82-HN50-25
82-RH-50
85-LS-50
01-G0674
MODEL BG790 PACKING LIST
PART NUMBER
02-102
07-8007
10-8055
80-G0135
80-G0187
82-HN50-25
82-HN50-28
82-NH38-06
84-RH-50
84-WH-38
85-FW-38
85-FW-50
85-LS-50
01-G0674
DESCRIPTION
OPEN/CLOSE PUSH BUTTON
GATE ARM HUB
MANUAL
GATE BRACKET
1/2 x 1/2 x 1-3/8L KEY
3/8-16 x 3/8 CONE POINT SET SCREW
1/2-13 x 2-1/4 HEX BOLT
1/2-13 HEX NUT
1/2 SPLIT LOCK WASHER
BG770 & BG790 MANUALS
Table 1
DESCRIPTION
OPEN/CLOSE PUSH BUTTON
ARM HUB
COUNTER WEIGHT CLAMP
3/8-16 x 18 THREADED ROD
1/2 x 1/2 x 1-3/8 KEY
1/2-13 x 2-1/4 HEX HEAD BOLT
1/2-13 x 3 HEX HEAD BOLT
3/8-16 x 3/8 CONE POINT SET SCREW
1/2-13 HEX NUT
3/8-16 SERRATED FLANGE NUT
3/8 FLATWASHER
1/2 FLATWASHER
1/2 SPLIT LOCK WASHER
BG770 & BG790 MANUALS
Table 2
Preparing the Installation
QUANTITY
1
1
1
1
1
2
4
4
4
1
QUANTITY
1
2
2
2
2
12
2
4
14
8
8
8
16
1
Doc 01-G0674
8
Rev E