4.59 BRIGHTNESS CONTROL N5 MAINTENANCE.

4.58 DOOR CONTACT SWITCH S3 MAINTENANCE.

Figure 4-51 Control Cabinet Assembly, Cabinet Illumination H7, Door Contact Switch S3, Brightness Control N5 Maintenance.

TM-9-6115-668-13 5Kw 28VDC Auxiliary Power Unit (APU) MEP 952B Manual
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TM 9-6115-668-13 4.59 BRIGHTNESS CONTROL N5 MAINTENANCE. This task covers: a. Removal b. Installation Tools Equipment Conditions General Mechanic’s Tool Kit (item 2, appendix B) Automotive Fuel and Electrical System Repair, Tool Kit (item 3, appendix B) Materials/Parts Reference Generator Set 150 kW shut down, paragraph 2.5.2 Solder (item 12, appendix E) Cable ties (item 10, appendix E) Disconnect the negative battery cable first and then the positive bat- tery terminal cables. Failure to observe this warning could result in se- vere personal injury or death. Tag all cables prior to removal to ensure correct connection of the cables during installation. 1. 2. 3. 4. Open flap (2, figure 4-51) on unit hood assembly (1). Open front panel (4) on control cabinet assembly (3) and secure with prop (5). Record labeling and position of cables (16) and disconnect cables (16) from terminals (18) of bright- ness regulator N5 (17). Remove screws (21), serrated lock washers (20), washers (19), brightness regulator N5 (17), and clips (22) from the top of retaining bar (23). 1. Install brightness regulator N5 (17) with screws (21), serrated lock washers (20), washers (19) and clips (22) on top of retaining bar (23) and push in clips (22) at the bottom of bar (23). 2. Noting correct labeling and position, connect cables (16) to terminals (18) of brightness regulator N5 (17). 3. Stow prop (5) and close front panel (4). 4. Close flap (2). 4 - 1 4 2

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