Cooper QD3 - Holding Switch Assembly Replacement

QD3 Quik-Drive Voltage Regulator Tap-Changer Manual
74
INSTRUCTIONS
Removing Holding Switch
1. Using a pair of pliers remove the four leads form the
holding switch assembly. Facing the holding switch
you will nd the wires by color. (See Figure 232.)
Top Micro Switch
Black wire on top terminal post (com post)
Blue wire on center terminal post (No. 2 post)
Bottom terminal post, vacant (No. 3 post)
Bottom Micro Switch
Top terminal post, vacant (No. 3 post)
Red wire on center terminal post (No. 2 post)
Black wire on bottom terminal post (com post)
Figure 232.
Holding switch connections.
Mounting
Screws
Black Wire
Blue Wire
Top Switch
Red Wire
Black Wire
Bottom Switch
2. Use either a Phillips screwdriver, standard at blade
screwdriver or an Allen wrench and remove the four
screws fasten the holding switch in place. Earlier Quik
Drive tapchangers were built using pan head and
Phillip screws. (See Figure 232.)
QD3/T350 QUICK DRIVE
HOLDING SWITCH ASSEMBLY
KIT
Kit Number 574074B04
GENERAL
The purpose of this installation instruction is for replacing
the holding switch on a QD3 Quik Drive Tapchanger.
TABLE 25
Parts Supplied
Item Part Number Description Qty
1 2240794B04 Holding Switch 1
2 0800073409Z #832 Machine
Screw
4
TABLE 26
Tools Required
Description Qty
Pliers 1
Phillips Screwdriver 1
Standard Flat Blade Screwdriver 1
Allen Wrench 9/64 inch 1
Figure 231.
Kit part.