Rotary SPO12 Standard - 6. Overhead Assembly; 7. Single and Three Phase Lifts

8
Hardware Detail For Overhead Assembly
1/4"-20NC x 2-3/4" HHCS
2 Spacers
Spacer
1/4" Lock Nut
Open Bar Side
HOLE
DETAIL
SPO12
1/4"-20NC x 2-3/4" HHCS
1/4" Lock Nut
1/4" Star Lock
Washer
1/4" Flat
Washer
Switch Box Side
(2)3/8"-16NC x 3/4" HHCS & Flanged Locknut
1/4"-20NC x 2-3/4" HHCS & 1/4" Locknut
114"
11-3/4"
(2)Spacers
(4)3/8"-16NC x 1" Flanged HHCS and Flanged Nuts
1 & 3 Phase Lifts
1/4"-20NC x 2-3/4" HHCS, Flat Washer, and Nut
Spacer
Star
Washer
This Side
6. Overhead Assembly: Adjust overhead to 114”
between centerline of sheave pins, Fig. 6. Install (4)
3/8”-16NC x 2-3/4” Flanged HHCS & Flanged Locknuts, do
not tighten. Install overhead stiffener angle inside center
of overhead using (4) 3/8”-16NC x 1” Flanged HHCS and
Flanged Locknuts, see Fig. 6. Slide switch box over switch
bar ensuring lockout holes face the power unit column.
Use (2) 1/4”-20NC x 2-3/4” lg. HHCS, (2) flat washers, (2)
3/4” spacers, and (2) 1/4” star washers and nuts to mount
switch box to overhead, Fig. 7a and Fig. 7b.
Fig. 6
Note: For Fig. 6, see Pg. 4 for Hummer (5W0/7W0 Series) Lifts.
7. For single phase and three phase lifts with push
button control box: Insert (2) 1/4”-20NC x 2-3/4” HHCS
through pivot hole in end of switch bar. Insert opposite
end of bar through slot in switch mounting bracket. Then
add spacers between the limit switch box and the
overhead, Fig. 6, using (2) spacers and
1/4”-20NC Locknut. Tighten Hex bolt leaving 1/16” gap
between the spacer and the overhead assembly.