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OPERATION
3.20.2 OPERATING THE HYDRAULIC SERVICE ARM
A - Diesel Engines OFF
The Service Arm can only be lowered.
Proceed as follows:
1. Turn main key switch to ON position.
2. Turn enabling switch (1), illust. (Z25495) to ON position "1".
3. For lowering the Service Arm (3) pull down chain (2).
4. Release chain (2) when arm (3) is in fully lowered position.
REMARK
To stop lowering movement of the Service Arm in any position
release chain (2).
5. Before leaving the Shovel turn enabling switch (1) to OFF
position "0" and remove the main switch key.
B - Diesel Engines running
Control the Service Arm as follows:
1. Turn enabling switch (1), illust. (Z25495) to ON position "1".
2. To lower the service arm (3) pull chain (2) and hold until the
service arm is in fully lowered position. For reversing moving
direction of service arm release the chain (2) to stop service
arm movement and then pull chain (2) again.
3. To lift the service arm pull chain (2) and hold until the service
arm is completely lifted into its home position.
NOTICE
Be sure the Service Arm is completely lifted to its home posi-
tion otherwise the proximity sensor in the guide frame of the
service arm will not release the pilot control system.
3.20 CENTRAL REFILLING SYSTEM
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