HEK MSHF, User Manual

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SAFETY
3-3 MSHF • 7295-026A
- Platform extensions on telescopic
supports may only be used to carry
personnel. Such personnel may only
stand on these extensions when the
machine is stationary.
- If erecting two adjacent platforms there
must be a clear gap between the ends
of the platforms of at least 0.5 meter /
19.7 inch.
3.4 Safety after use
- Transport on public roads must only be
done with a truck intended for the
purpose.
- The platform must be placed in the
lowest position and the main switch
must be secured.
3.5 Built-in and additional safety
features
The MSHF mast climbing work platform is
provided with the following in-built and
additional safety features:
- Phase control relay in the control box.
- "Emergency stop" push button on every
control box.
- Electrical access protection.
- Hooks on the drive unit. The platform
remains secured on these should all the
limit switches fail and should the red
mast top section also be missing.
- Autolevel for machines with two masts.
Locks the platform if one side drops
more than the other during an
emergency descent.
- In the event of a power failure the motor
brakes are operated automatically to
prevent the platform descending
unexpectedly.
- Centrifugal brakes ensure a controlled
descent in the event of an emergency.
- The single mast construction has an
eccentric overload safety device. This
locks the platform if the platform is
overloaded on one side.
- The Emos system locks the platform if
one of the motors fails.
- In the event of a power failure it is
possible for the platform to make an
emergency descent by manually
releasing the motor brakes.
- Audio Visual Warning. During descent
of the platform, a buzzer will sound and
a light will flash underneath the platform.
- The mast climbing work platform can
only be moved on the chassis when the
platform is in the lowest position.