4.2
Figure 3
Section 4: Installation - Hoist
Figure 2
3/8”-16 X 1-1/2” Bolts, nuts,
lockwashers (SEE NOTE)
7/16”-14 Hex Nuts
Washers
FRONT OF HOOD MOUNT
TOP OF HOOD MOUNT
1) Attach operator to main mounting bracket using the four
3/8”-16 x 1-1/2” bolts, hex nuts, and lock washers. See
Fig 2
.
NOTE
: For
3 HP
units, 1/2”-13 x 2-1/2” bolts are required.
2) Mount the operator to the weld plate using the 7/16”-14 hex
nuts. Hand tighten bracket to weld plate nuts.
Attach Operator to Door:
Fig. 3
.
3) Attach 12 tooth sprocket to operator output shaft.
4) Align keyways and insert key into sprocket and output shaft
keyway. Do not tighten set screw at this time.
5) Attach door sprocket to door shaft. Align keyway and insert
key. Do not tighten set screws at this time.
6) Assemble chain using chain master link.
7) Place assembled chain over door shaft sprocket and around
the 12 tooth sprocket and align.
8) Raise or lower operator to remove slack from the chain. Be
certain operator output shaft is parallel with door shaft.
9) While applying tension to chain, tighten operator mounting
bracket nuts.
10) Tighten sprocket set screws.
11) Proceed to page 4.7
REFER TO SHOP DRAWINGS FOR
SPECIFIC DIMENSIONING INFORMATION
Rolling Steel - Front of Hood & Top of Hood Mount
The RHX® Rolling Steel Operators are factory assembled for right-
hand mounting (shown). Each model can also be converted to
left-hand mount See page 4.7 for instructions.
