Chamberlain C273 El Manual Del Propietario página 15

EXAMPLES
Finished Ceiling
1
Finished Ceiling
Not Provided
Lag Screw
Lag Screw
4 5
Lock
Washer
Hex Bolt
Not
Provided
HARDWARE
Lag Screw
5/16"-9x1-5/8"
Lock Washer
Hex Bolt
5/16"-18
5/16"- 18x7/8"
Unfinished Ceiling
2
Not Provided
6
Nut
Nut
5/16"-18
3