SUTPHEN TOWERS, INC. 2012
Manual-2012
_SL75-SA75-SP70.docx
Page 14 of 55
8/31/2012
Figure 3
The aerial ladder must be operated with respect, discretion, and proper training. The aerial
ladder should move on low speed when there is any danger, electric wires, buildings, at close
operations, returning to the cradle, and during operation around the cab. When the aerial is
returned to the cradle, remove jack pins and push the "Jack Release" switch. A hydraulic valve
will transfer power from the aerial to the jacks, locking out the aerial ladder functions and
allowing jack operation.
Always place pads under stabilizers to ground the truck in the event the
tower comes in contact with power lines. Failure to do so could result in
serious injury or death.
Operator must install safety pins and locks on stabilizers.
Operator must always stand on the operator's step to help prevent operator
from becoming the ground in the event tower comes in contact with power
lines. Failure to do so could result in serious injury or death.
8. Switch ON the "Upper Power" and "Bucket Power" switches (if equipped) located on the
pump panel.
All operating controls at the turntable are hydraulic.
All operating controls in the platforms are electric.
"Upper Power" switch controls lighting, intercom (if equipped) and rung alignment light (if
equipped).
9. Verify with all personnel that the tower is ready to operate. When stabilizers and ground
pads are properly set on stable ground, the tower is designed to operate at optimum
operational height and horizontal reach with rated payload. Always operate the tower
with precaution so it does not strike the cab or any other portion of the truck.
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