Beta Max MAXIAL TRACK HOIST, Инструкция по эксплуатации и обслуживанию

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Use and Maintenance Instruction Manual
MAXIAL TRACK HOIST
REV. 2.2 (2017)
MAINTENANCE AND REPAIR
Page | 10-15
10.3.8 Overweight limit switch
The Maxial Track Hoist is equipped with an overweight limit switch to protect the system from
transporting more than the designed rated-load. The Maxial motor pack is designed to float
inbetween any two rung locations on the ladder track. The system works like a balancing
scale; the end of the wire rope is attached to the universal carriage with a carrier basket
attached to it, the wire rope travels up around a pulley in the sliding head that is at the top of
the ladder track, the wire rope then travels back down to the wire rope drum of the motor
pack. When a load is placed at the end of the wire rope at the carrier basket a downward
force is created at the same time an upward force is created on the motor pack side of the
wire rope. The upward force lifts the motor pack up onto two spring tensioned bolts that strike
against the lower rung of the ladder track that the motor pack floats between. If the downward
force at the carrier basket created by the amount of load at the end of the wire rope creates
enough upward force at the motor pack to compress the Tension Adjustment Bolts then the
overweight limit switch will strike the lower rung and not allow the up function to work on the
hoist. The spring tesion applied on the Tension Adjustment Bolts govern if the unit is
operating within the machine’s designed rated-load range.
The Overweight system will need to be inspected through periodic maintenance to ensure the
safety of the Maxial Track Hoist design and occasionally may need adjustment.
10.3.8.1 Adjusing the Overweight Limit Switch
The overweight limit switch can be adjusted external of the motor pack. It is adjusted by
increasing or decreasing the spring tension of the Tension Adjustment Bolts located at the
bottom of the motor pack. This can be easy accomplished by the set up of the unit with two
9’-9” track sections with the Unisversal Carriage and a basket carrier.
CAUTION
It is recommended to use a test piece of wire rope cable to performe the
Overweight Limit Switch Adjustment and ensure the wire rope cable is
positioned in the center of the drum when the upperward force from the load is
created on the motor pack. If a test piece of wire rope cable can not be used,
ensure the wire rope cable is positioned in the center of the drum.