Use and Care Manual

17
Step 32B: Extension Spring Assembly
107GW
107
Assemble spring as shown. Bolt a clevis and
pulley on one end
4
Both springs are the same, it will not matter which one you assemble fi rst.
The spring cable is thicker than the safety cable. Be sure to use the correct cable for the appropriate step.
Thread safety cable through spring assembly.
5
Warning! Extension springs can cause severe damage, personal injury or even death if they are not properly
restrained. In the event of a spring failure the safety cable will prevent the spring from being propelled away
from the door.
Pulley
Clevis
3/8” x 1-1/2” Bolt
Extension Spring
Safety
Cable
Extension
Spring
2
Pulley
2
3/8” x 1-1/2” Bolt
and Hex Nut
2
Safety Cable
2
Clevis
2
Hex Nut
Attach eyeblots to both door track
support assemblies.
6
Eyebolt and Hex
Nut
2
Hook end of safety cable and
spring assembly to eyebolts.
7
Safety Cable and
Spring Assembly
Eyebolt
Eyebolt
Hex Nut