|
| |
TM 10-4320-351-14
5.7.2 Replace Panel Lights Dimmer Potentiometer R1. (Refer to figure 5-11.)
This task consists of:
a. Removal
b. Installation
INITIAL SET-UP:
Tools:
Materials/Parts Required:
Screwdriver, Cross Tip, #2
Solder (Appendix F, Section II, Item 6)
(Appendix B, Section III, Item 3)
Flux, Soldering (Appendix F, Section II, Item 7)
Combination Wrench, 1/2"
Strap, Tiedown (Appendix F, Section II, Item 8)
(Appendix B, Section III, Item 3)
Strap, Tiedown (Appendix F, Section II, Item 19)
Pliers, Long Nose, 7"
Tags, Electrical (Appendix F, Section II, Item 16)
(Appendix B, Section III, Item 3)
Key, Socket Head Screw, .050"
(Appendix B, Section III, Item 3)
Soldering Iron, Pencil Tip, 700°F
(Appendix B, Section III, Item 3)
General Safety Requirements:
Equipment Condition:
Accessory module removed from system.
(para. 2.9)
a.
Removal.
(1)
Remove the twenty-four screws (1) and flat washers (2) that secure the control panel (3) to the control box.
(2)
Lift the control panel (3) from the control box and set on edge convenient to potentiometer R1.
(3)
Remove tiedown straps as required.
NOTE
Access to potentiometer RI is partially blocked by an L-shaped bracket. To
provide easier access and prevent damage to other components, separate the
bracket from the control panel and moved aside. The wiring harnesses have
enough slack to allow this.
(4)
Remove the three screws (4) and flat washers (5) that secure the "L' bracket (6) to the panel. Move the
bracket aside for access to potentiometer R1.
(5)
Tag leads (7) near terminals of potentiometer R1 (8) for installation on replacement potentiometer.
(6)
Desolder leads (7) from potentiometer terminals.
(7)
Loosen two set screws (9) and remove control knob (10).
(8)
Remove nut (11) and lock washer (12) that secure potentiometer R1 (8) to control panel (3).
5-29
|
