Figure 117: Cutting The Vertical Wire Trough Grommet (When Supplied); Figure 118: Removing The Manual Bus Shutter; Figure 119: Engaging The Cam Mechanism; Figure 120: Handles Flush With The Front Of The Mcc - Hach sc200 User Manual

Model 6 Motor Control Centers
Section 10—Expansion
Figure 117: Cutting the Vertical Wire Trough
Grommet (when supplied)

Figure 119: Engaging the Cam Mechanism

96
3. Place the mounting foot (Figure 115, Item B) of the shelf into the
mounting pan slots (Item C). Secure the shelf at the mounting foot end,
the left side, and the right side with flat head screws (Detail A, Item D).
4. Install the hinge leaves of the door (Detail A, Item E) into the hinge slots
(Item G), which are on the structure corner channel. Fasten the hinge
leaves to the structure corner channel using hex head screws (Item H).
5. Install fastener receptacles (Detail B, Item J) into the bracket slots (Item
K) and fasten with hex head screws (Item H).
6. If a grommeted wireway barrier is supplied, locate the vertical wire
trough grommet (see Figure 117) nearest the bottom of the control unit.
Cut the grommet following the instructions on the grommet. See the
second paragraph under "Load and Control Wiring" on page 49.
7. Remove the manual bus shutter(s) (see Figure 118) to allow insertion of
the new control unit; slide out the top bus shutter.
NOTE: Do not remove the tether.

Figure 118: Removing the Manual Bus Shutter

8. Confirm the cam mechanism is in the open position; position the
mounting slides of the control unit onto the slots of the mid-shelf. Slide
the unit inward to engage the cam mechanism (see Figure 119).
9. Press the handles inward until they are flush with the face of the MCC
(see Figure 120).
NOTE: Compac 6 units do not have the twin handle cam mechanism.

Figure 120: Handles Flush with the Front of the MCC

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80459-641-01E
10/2012