Autoquip DOUBLE PANTOGRAPH LIFT - Manual (Page 18)

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LIFT BLOCKING PROCEDURE– (Reference Figures: 9A & 9B)
b.
Maintenance leg is connected to the base frame by a chain. Remove the
maintenance leg from its storage location. Place one end of the maintenance
leg in the leg socket located in the base frame on the Clevis End, (See Figure
9B).
Lower the lift platform until it comes down and makes contact with the
maintenance leg. The maintenance leg should be centered in the platform
maintenance leg socket, located underneath the platform on the Clevis End.
Re-check to ensure that the maintenance leg device is inside the platform
maintenance socket and in contact with the platform deck surface. If the
maintenance leg is not fully engaged the lift could fall unexpectedly, resulting
in permanent damage to the devices or the lift.
DANGER !
Do not work under lift, without Maintenance Device! To avoid
personal injury, NEVER go under the lift platform until the load is
removed and the scissors mechanism is securely blocked in the
open position and the appropriate OSHA lock-out/tag-out
procedure is followed. See "Lift Blocking Instructions" section.
DANGER !
If for any reason you are unable to lower the lift completely onto
the maintenance device(s), stop immediately and consult the
factory. Failure to properly use the factory approved maintenance
device(s) could result in severe injury or death.
4. Once the maintenance device(s) is properly and securely engaged continue to
press the down button for an additional 5-10 seconds to relieve all pressure in the
system (it could take longer in a pneumatic system).
WARNING !
Failure to relieve the system operating pressure could result in the
sudden and unexpected release of high-pressure fluids (or air)
during maintenance and/or repair of the lift and result in severe
injury or death.
LIFT BLOCKING INSTRUCTIONS