UPS 1000S/ UPS 1200S Uninterruptible Power Supplys Caterpillar

Illustration 1	g01292032
(1) Door (Inner View) (2) Hinge (3) Cabinet (Shield View) (4) Bolt (Ground Cable)

The front doors to the cabinets are hinged on the left or right side depending on the cabinet and allows access to the inside controls and components of the cabinet. There are five bolts holding each door to the metal frame of the cabinet and are accessed from inside the cabinet. Each door also has ground cable that is connected to the frame of the cabinet.

Removal

1. Open the cabinet door by turning the top and bottom door latches counter-clockwise until the door latches stop, using a hex 5/16 inch hex key, if needed.

2. Open door by puling on the door pull.

3. Remove any cables attached to the front door in those cabinets with front door controls. Each cables location is labeled. Verify the labeling.

4. Locate the metal braided grounding cable located at the bottom of the door which connects the door to the cabinet frame.

5. Remove the nut and bolt holding the grounding cable to the door using a 7/16 inch socket. An offset end wrench may be required to hold the nut while the bolt is loosened.

6. Retrieve the nut and bolt and move the grounding cable out of the way of the door. Do not let the grounding cable fall inside the metal shield, if present.

7. Locate the five bolts attaching the door to the metal frame.

8. Remove the five bolts from the cabinet frame using a 3/8 inch socket start at the bottom and moving up. Be sure to support the door before the final bolt is removed. The door is heavy and will move down and out once the final bolt is removed.

Installation

1. Align new doors hinged area to the cabinet.

2. Locate the five threaded huck rivets on the outer surface of the vertical portion of the cabinet frame.

3. Open the door to the left or right as if the door was already installed.

4. Move the hinge so that the hinge rests against the portion of the frame with the five threaded huck rivets.

5. Lift door up so that the holes in the hinge are aligned with the five threaded huck rivets.

6. Screw the 1/4 inch bolt with the 3/8 inch head loosely into the top hole of the hinge and into the top threaded huck rivet of the door frame.

7. Screw in the remaining four screws loosely into the remaining holes.

8. Tighten the five screws finger tight and adjust the door position as needed so that the door closes properly.

9. Carefully open the so as not to lose the positioning and tighten the five screws to 4.5 N·m (40 lb in) with a 3/8 inch socket .

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Illustration 2	g01292074
(4) Bolt (Ground Cable) (5) Washer (Star) (6) Ground Strap (Braided)

10. Attach the Ground Strap (Braided) to the bottom of the door near the hinge on the inner part of the door frame so that the door can close. The flat part of the grounding cable end is placed flat against the inside of the door frame, and the bolt is inserted thru a star washer and into the door frame from the outside. The nut is placed on the inside edge of the door frame.

11. Tighten the Ground Strap (Braided) to the door with a 7/16 inch socket while holding the nut securely from inside the door frame.

12. Recheck that the door closes and locks properly and readjust as needed.