Whirlpool Compactors User Manual download pdf (Page 81)

77

Testing

1. Testing of this switch is done when the ram is in three different positions. The position of the

ram is indicated by the number of clicks when pressing the actuator:

a. Ram has traveled downward at least 3/4 inch (actuator released.)

b. Ram has traveled downward 1/2 inch (actuator pressed to the first click.)

c. Ram is at upper most position (actuator pressed to the second click.)

2. Set the ohmmeter to the Rx1 scale.

3. Zero the ohmmeter.

4. Perform the tests using the terminals marked on the switch.

5. With the actuator released (plunger extended all the way) check between the following termi

nals:

a. Terminal GY to Y

1) This terminal should be closed.

b. Terminal R to Y

1) This terminal should be open.

c. Terminal V to BR

1) This terminal should be closed.

6. With the actuator pressed to the first click (plunger depressed halfway), check between the

following terminals:

a. Terminal GY to Y

1) This terminal should be open.

b. Terminal R to Y

1) This terminal should be closed.

c. Terminal V to BR

1) This terminal should be closed.

7. With the actuator pressed tot he second click (plunger depressed all the way), check between

the following terminals:

a. Terminal GY to Y

1) This terminal should be open.

b. Terminal R to Y

1) This terminal should be closed.

c. Terminal V to BR

1) This terminal should be open.

8. If any of the terminals have an incorrect read, the switch is defective and needs to be replaced.

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