Part N
umber
6410T0006
Version 4/23/2010
44
MANUAL HOIST WITH DISCONNECT INSTALLATION
This option allows disengagement of the gearbox while allowing the door to be operated via a manual
hoist. The manual hoist itself has a disconnect feature (mechanical and electrical) that allows it to spin
freely when operating the door with a drive unit.
NOTE
REFERENCE
FIGURE 41 WHILE
FOLLOWING THIS
PROCEDURE
Mount manual hoist
housing on wall a few
inches below stub axle
on desired side of door.
Note: this will be on the
opposite side from the
door operator (if
supplied).
Place supplied small
key in keyway and
attach the #41B12
sprocket to shaft on
manual hoist housing.
Tighten set screw to
secure sprocket in
place. Place supplied
larger key in keyway on
stub axle and attach the
#41B54 sprocket onto
stub axle. While
ensuring it is in line
with the #41B12
sprocket, tighten set
screw on sprocket.
Thread the #41 roller
chain around both
sprockets. Adjust size
of chain to enable it to
FIGURE 46
Figure 41
Summary of Contents for RAPID-ROLL 570
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