Condec UPC5110 - Manual (Page 32)

Maintenance and Service 29
4.2.21 Power Switch (PN 58878) for Non-Battery Units - Removal and Installation
Tools required: Phillips screwdriver
11/16" open end wrench
A/R soldering iron
A/R shrink sleeving (PN 64567)
A/R heat gun
Removal:
1. Disconnect the power cord from the power source and line filter. Remove front panel from its enclosure
as described in Section 4.2.1 on page 14, and carefully set on a bench top.
2. Loosen the switch mounting nut and lock washer from the rear of panel.
3. Loosen and remove the trim ring from the panel front.
4. Remove switch, lock washer and nut from rear of panel as one item.
5. Unsolder and remove the wires from the switch terminals.
Installation:
1. Slide shrink sleeving over wires, connect and solder the wires onto their respective switch terminals.
2. Pull shrink sleeving over switch and connections. Apply heat. Install the new switch, lock washer and nut
through the panel rear as one item. Hand tighten the trim ring from front of panel.
3. Tighten the switch mounting nut and lock washer from the rear of panel.
If wrench is used, do not over-tighten or damage may occur to switch.
4. Install panel/chassis assembly in its enclosure as described in Section 4.2.1 on page 14.
4.2.22 Range Select (PN 54186) and Display Select Switches (PN 59429) - Removal and Installation
Tools required: Phillips screwdriver
9/16" open end wrench or nutdriver
A/R soldering iron
hex wrench (.061")
NOTE: See Figure 4-2 on page 35 and Figure 4-3 on page 35.
Removal:
1. Disconnect the power cord from the power source and line filter. Remove front panel from its enclosure
as described in Section 4.2.1 on page 14, and carefully set on a bench top.
2. Remove the switch knob using a .061" hex wrench.
3. Loosen and remove the mounting nut from the panel front.
4. Unsolder and remove the wires from the switch terminals.
Color Terminal
Black Normally open
Black (C) common
Table 4-3. Power Wire Colors/Switch Terminals
Caution