Product Manual

Table Of Contents

5. Transfer Switch Service7-2019

WARNING

Accidental starting of the generator set can cause severe personal injury or death due

to electrocution or contact with moving parts. Disconnect the starting battery cables,

before performing service. Batteries emit hydrogen, a highly explosive gas.

Thoroughly ventilate the battery compartment before removing battery cables. Remove

the negative (-) cable (s) first to reduce the risk of arcing.

c. Disconnect the generator set starting battery (negative [-] lead first).

WARNING

If the cabinet must be opened for any reason, remove AC power to the automatic

transfer switch. If the instructions require otherwise, use extreme caution due to the

danger of shock hazard.

d. Remove the AC power that goes to the automatic transfer switch.

e. Remove AC power from any accessories, such as a battery heater, oil heater, etc.

2. Remove the transfer switch cabinet door panels.

3. Grasp the relay and pull it straight out of the socket (see Section 3.3.2.1).

4. Place the new relay on the socket while aligning pins to socket holes.

5. Firmly push the relay straight down onto the socket until you feel the relay is seated securely.

6. Restore power.