Cooper QD3 - QD3;T350 PI Drive Cam Replacement Kit; Kit Number 5740783 B21

S225-12-1
49
!
SAFETY
FOR LIFE
QD3/T350 PI DRIVE CAM
REPLACEMENT KIT
Kit Number 5740783B21
GENERAL
The purpose of this replacement kit is to provide the parts
and installation instructions for replacing the PI Drive Cam
on a QD3 Quik Drive Tapchanger.
TABLE 13
Parts Supplied
Item Part Number Description Qty
1 2240783B21 PI Drive Cam 1
2 2291652A06 Sprocket Key 1
3 0891663A09 PI Cam Wave
Washer
1
TABLE 14
Tools Required
Description Qty
Phillips Screw Driver 1
243 Locktite 1
PI Cam Removal
1. If possible, rotate the PI Cam so that the point of the
cam is pointing toward the holding switch actuator. (See
Figure 141.) The PI Cam can be easily rotated by hand.
2. Hold the PI Cam so that the cam does not rotate. Use
a Phillips screwdriver and loosen and the mounting
screw. (See Figure 141.)
Figure 140.
Kit parts.
Item 1
Item 1
Item 1
Figure 141.
PI cam and holding switch actuator.
PI Cam
Mounting Screw
PI Cam
Holding
Switch
Actuator
3. Pull the cam forward removing the cam from the tap
changer drive shaft. (See Figure 142.)
Drive Shaft
Figure 142.
Tap-changer drive shaft.