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3.6 Crank Handle Operation
This section describes operation of the Mast System using the Crank Handle Assembly.
Safety Instruction – Electrical Hazard! Never manually operate the mast while power is still
applied to the system. Ensure the Mast System is de-energized and the power source is
properly tagged out. Any attempt to electrically energize the Mast System when manually
operating the mast may result in injury.
Safety Instruction – Kinetic Energy! This mast has an automatic failsafe brake. No manual
intervention is required during manual operation. In the unlikely event of brake failure the mast
can back-drive. Potentially destructive kinetic energy may be created.
Safety Instruction – Protective Equipment! Appropriate safety helmet and gloves shall be
worn when operating the mast manually.
Equipment Damage – Manual Operation! When manually extending or retracting the mast, do
not drive past the normal extended or nested stops. Do not apply in excess of 50 lb.-ft. (68 N-m)
when using the Crank Handle Assembly. The normal protections are being bypassed and
equipment damage could occur.
Equipment Damage – Manual Operation! Use caution to avoid strain when operating the
hand crank.
Note: When not in use, store the Crank Handle Assembly in an accessible area in close
proximity to the mast.
3.6.1 Quick Reference
The following is a quick summary of operation of the Mast System using the Crank Handle
Assembly. Detailed instructions (Section 3.6.2) follow the quick summary.
In general, operate as follows:
•
Prepare the System for Manual Operation (Section 3.6.2.1)
•
Extended the Mast with the Crank Handle Assembly (Section 3.6.2.2)
•
Retract the Mast with the Crank Handle Assembly (Section 3.6.2.3)
TP-5418901-F
August 2020
S
TILETTO
Original Instructions
AL O
I
PERATING
NSTRUCTIONS
3-11
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