SUTPHEN TOWERS, INC. 2012
Manual-2012
_SL75-SA75-SP70.docx
Page 18 of 55
8/31/2012
AUXILIARY HYDRAULIC POWER SWITCH
The auxiliary hydraulic power switch is to be used only to place the
into cradle and to raise the jacks - not to be used for normal operations.
The auxiliary hydraulic power switch is located inside the hydraulic compartment. Use the
auxiliary hydraulic power switch if a main hydraulic pump fails in the tower or if the truck
engine fails. The auxiliary power is an electric motor, operating from the truck battery system
which operates the auxiliary hydraulic pump.
Operate the motor by activating the momentary auxiliary power switch.
All tower functions can be operated on auxiliary power.
Prolonged operation could cause the motor to overheat. The operator should
avoid overheating and burning out the motor. If the motor becomes hot,
shut down and allow it to cool. Failure to do so could result in serious
damage to the motor.
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