UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies Caterpillar


Door Latch

Information for equipment:


ENCLOSURES, GUARDS AND BASES
ENCLOSURE GP

General Information (Cabinet Hardware) UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies
Door UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies
Door Pull and Retaining Ring UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies
Door Latch UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies
Front Screen and Air Filter UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies


Description

Two door latches (1) are installed on each door in the UPS System. There is one door on the top and one door on the bottom. See Illustration 1.

The latch (1) requires a 7.9735 mm (5/16 inch) hex key in order to access the inside of the cabinet.




Illustration 1g01272782

Door latches for the cabinet

(1) Door latches

Removal Procedure




    Illustration 2g03428330

    Latch assembly (hex key)

    (2) Cabinet door

    (3) Aperture (hex key)

    (4) Outer gasket

    (5) Large lock washer

    (6) Large nut

    (7) Small nut

    (8) Small lock washer

    (9) Pawl

    (10) Small lock washer

    (11) Small nut

  1. Open the cabinet door in order to gain access to the internal latch assembly.

  1. Remove the small hex nut (11) at the end of the latch assembly.

  1. Remove the small lock washer (10) .

  1. Remove the pawl (9) .

  1. Remove the next small lock washer (8) .

  1. Remove the second small hex nut (7) .

  1. Remove the large hex nut (6) .

  1. Remove the large lock washer (5) .

  1. Remove the following components through the hole and out of the front of the door: knob, gasket and latch assembly.

Installation Procedure

  1. Refer to Illustration 2 for a diagram of the latch assembly and replacement part.

  1. Place the gasket (4) over the end of the door latch assembly. The gasket (4) is 28.6 mm (1.125 inch) in diameter. Seat the gasket (4) next to the knob.

  1. Place the threaded end of the assembly through the hole for the latch from the front of the door. The gasket (4) should fit against the outer skin of the door.

  1. Turn the knob counterclockwise. The knob should be horizontal and the small threaded area should fully extend. If the knob is not horizontal and the threaded area is not fully extended, perform the following actions:

    • Remove the knob.

    • Turn over the knob.

    • Reinsert the knob.

  1. Place the large lock washer (5) over the threaded end of the assembly. Move the lock washer (5) next to the inner skin of the door.

  1. Tighten the large hex nut (6) onto the large threaded area of the latch assembly. Tighten the nut (6) to 20.3 N·m (15 lb ft).

  1. Fasten the small hex nut (7) onto the small threads of the latch assembly. Do not tighten down the nut (7) all the way.

  1. Place one of the small lock washers (8) over the end of the assembly and against the small nut (7) .

  1. Place the pawl (9) onto the assembly next to the small washer (8) .

  1. Position the pawl (9) on the door.

  1. Place the second small lock washer (10) onto the assembly next to the latch.

  1. Fasten the second small hex nut (11) onto the assembly.

  1. Adjust the two small screws so that the pawl (9) and screws are aligned near the end of the latch assembly.

  1. Tighten the nuts (6) , (7) , and (11) loosely so that the pawl (9) is held firmly.

  1. Close and latch the door.

  1. Adjust the nuts and latch (1) so the door closes firmly.

  1. Tighten the nuts (8) and (10) for the pawl to 13.56 N·m (10 lb ft).

  1. Apply 9S-3263 Thread Lock Compound to all three nuts (6) , (7) , and (11) .

Caterpillar Information System:

UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies Door Pull and Retaining Ring
UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies Door
UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies General Information (Cabinet Hardware)
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys External Source Sync PWA (4 Wire Transformer Cabinet)
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys Fan (4 Wire Transformer Cabinet)
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys UPS View Commands and Hot Keys
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys Flywheel Messages
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys Graphical User Interface Messages
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys UPS Messages
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys Flywheel Operating Parameters
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys Current Transformers (Primary, Secondary)
UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies System Voltage - Calibrate
UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies System Output Current - Calibrate
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys General Information (Maintenance Bypass Cabinet)
2006/05/22 New Cylinder Head Groups are Used {1100}
UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies Flywheel Field Coil Current - Calibrate
UPS 120, UPS 150, UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, UPS 750 and UPS 900 Uninterruptible Power Supplies Flywheel Telemetry - Calibrate
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys Internal Component Preremoval Steps (Maintenance Bypass Cabinet)
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys System Fuse (Maintenance Bypass Cabinet)
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys Bypass Pushbutton
C4.4 Industrial Engine Gear Group - Inspect
UPS Firmware Enhancement for Monitoring Bearing Serviceability{4480, 7551, 7620} UPS Firmware Enhancement for Monitoring Bearing Serviceability{4480, 7551, 7620}
C4.4 Industrial Engine Flywheel - Inspect
C4.4 Industrial Engine Flywheel Housing - Inspect
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.