ACCESSORY TIMING CAM INSTALLATION (Coin Meter Models)

No. of Pins in Cam

Cycle Length (Minutes)

 

 

6

10

5

12

4

15

 

 

Figure 27

Cams that allow other timer increments are available through your distributor.

To figure time increments, use this formula: Timer Motor Speed (60) divided by number of pins on cam = Cycle Length (minutes). Cams are available with 1 to 12 pins.

Example: 60 ⎟ 5 (Pin cam) = 12 minute cycle.

REMOVAL OF EXISTING TIMING CAM

1.Rotate cam by hand until "V" notch lines up beneath the ratchet tooth see Figure 28.

2.Insert narrow screwdriver under nylon cam, close to the clock shaft. Lift gently off shaft. Make sure that pressure is directed upward and that the "V" notch clears the ratchet tooth.

INSTALLATION OF NEW TIMING CAM

1.Insert drive into timing cam with wide prong in wide hole of cam.

2.Position timing cam and drive fork over the timer shaft, aligning the timer flat with the drive fork and the "V" notch with one of the ratchet teeth.

3.Press timing cam down firmly to seat timing cam onto the motor shaft.

LINE UP NOTCH

TO CLEAR RATCHET

TOOTH

LIFT GENTLY

WITH NARROW

BLADE

T039IE1A

Figure 28

4.Remove all accumulated time by turning cam counterclockwise until switch shuts off. Apply moderate clockwise pressure to fully seated timing cam and drive against the timing motor shaft. Meter must be advanced electrically for one cycle before an accurate measure of time can be made.

50

M412616