Great Lakes CMR-45U6 Installation Instructions Manual - Page 4

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CABLE MANAGEMENT RACKS - CONTINUED
TOOLS
: 9/16" socket or wrench, Phillips head screwdriver
ASSEMBLY
1. Install top width cross brace and bottom horizontal foot
A. Lay upright channels on rack mount face with open sides of the channel facing each other.
B. Locate thru holes at the top of the channel and align with top width cross brace holes on
inside of channel. (For 19" mounting, use outer set of holes; for 23" mounting, use inner set
of holes). Install with (2) 3/8" hex head bolts, FINGER TIGHTEN.
C. Locate thru holes at the bottom of the channel; for toe out configuration mount bottom
horizontal foot on outside of channel, for toe in configuration mount on inside. Install (2) 3/8"
hex head bolts, (4) 3/8" external tooth lock washers into (1) 3/8" nut plate on each channel.
FINGER TIGHTEN.
2. Stand rack upright. Repeat steps 1.B. & 1.C. for the opposite side of rack.
3. Determine the orientation of center waterfall brackets :
A. Orient center waterfall bracket with radius toward outside of rack when : cables run on the
inside of channel and exit the top of the rack without Ladder Rack Brackets (4PLRBV48)
B. Orient center waterfall bracket with radius toward center of rack when : cables and bundles
run outside of the channel or when using Ladder Rack Brackets (4PLRBV48)
4. Install center waterfall bracket on inside of rack fastened with (1) #12-24 screw through both front
and rear horizontal slots on top cross brace. Install second center waterfall bracket in the same way.
5. Final tightening
Rack is self-squaring: Ensure pins in horizontal top and bottom members align with thru hole slots in
vertical uprights. Tighten all bolts using a 9/16" socket or wrench (24 ft-lb torque is recommended).
6. Slide center waterfall brackets to desired locations and tighten with screwdriver.
7. Install front and rear top waterfall trough with ¼-20 Carriage bolts and 7/16" socket or wrench.
Round dome should be on top.
8. Installing CM-23 & CM-24 1/4 turn "D" Rings
A. Racks come with (2) kits of (10) CM-24 1/4 turn "D" rings. On each 1/4 turn "D" ring there are
(2) square protrusions. Insert either square (depending on your desired orientation) into the
any 3/8" square receiving hole on the rack and turn the 1/4 turn "D" ring 45° to lock into
place. This rack also accepts Optional CM-23 1.5" x 3.5" 1/4 turn "D" rings and install in
the same fashion.
B
B. Slide center waterfall brackets to desired locations and tighten with screwdriver.
B
9. Racks come with (2) kits of (10) CM-24 1/4 turn "D" rings. On each 1/4 turn "D" ring there are (2)
square protrusions. Insert either square (depending on your desired orientation) into the any 3/8"
square receiving hole on the rack and turn the 1/4 turn "D" ring 45° to lock into place. This rack also
accepts Optional CM-23 1.5" x 3.5" 1/4 turn "D" rings and install in the same fashion.
10. When mounting to a cement floor, recommended mounting hardware is Great Lakes Seismic
B
Anchor Kit (AK101). For other floor construction, the installer must provide appropriate hardware.
6
CABLE MANAGEMENT RACKS - CONTINUED
#12-24 Pan Head Screw
3/8-16, Ext
Tooth Washer
3/8-16 x 1"
Hex Head
Bolt
Top Width
Cross Brace
Upright
Channel
3/8-16 Nut
Plate
3/8" Ext
Tooth
Washer
3/8-16 x 1"
Hex Head
Bolt
Bottom Horizontal Foot
Ø .75 (4)
21.00 C TO C
Center Waterfall
Bracket
1/4-20
Carriage Bolt
Anchor
Locations
Front/Rear
Anchor Location With:
Top Waterfall
Channel
Toe Out
Trough
Depth
Assembly
(in.)
(in.)
1/4-20
6
8
Nut
10.5
12.5
12
18.25
16.25
26
1/4 turn
30
32
"D" Ring
36
38
Inner Set of
Holes for 23"
EIA Mounting
Toe In
Assembly
(in.)
3.8
8.3
14.1
21.8
27.8
33.8
Outer Set of
Holes for 19"
EIA Mounting
7