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MAINTENANCE (CONTINUED)
GEAR TIMING
When assembling gears, they must be orientated with the timing
marks orientated as shown. (use gure "Gear Timing") Note: For 1.5
Tonne units, orientation of pinion/gear assemblies A and B are not
relevant providing the timing marks are orientated as shown and one
of each (A & B) assembly is present.
Timing Marks
Figure 10 - Gear Timing
(0.75 and 1.5 Tonne)
REPLACING LOAD CHAIN
To replace the load chain, remove the lower hook block and chain
stop from the chain. Move the directional lever to the neutral "N" and
pull the old chain out of the hoist. Feed a length of soft wire through
one side of the chain guide and over the liftwheel until it comes out
on the other side of the chain guide. Attach the wire to the end of the
new chain. Position the chain so that the rst link to enter the chain
guide will be an upstanding link and the welds on all upstanding
links will be away from the liftwheel. Pull on the wire until the chain
engages the liftwheel. Turn the free chaining knob, while pulling on
the wire, until the chain comes out of the chain guide. Pull the chain
through and remove the wire. Attach the lower hook block to the
chain that is directly below the upper hook.
Chain installation Single Reeved (0.75 - 3 Tonne)
Timing Marks
Figure 11 - Gear Timing
(3 and 6 Tonne)
Chain Installation Double Reeved (6 Tonne)
Chain Installation Triple Reeved (9 Tonne)
OPTIONAL LOAD LIMITER
The CM
TORNADO 360° lever hoist has an optional load limiter that
®
can be ordered upon purchase. The load limiter is a device that is
designed and calibrated to prevent excessive overloads. Excessive
overload is indicated by lever movement without the corresponding
movement of the lower hook block or load when the unit is operated
in the "up" direction. Should overload be evident, immediately
switch the lever to "down" position and operate the lever to remove
the excess load from the units. The reduction of the load to the rated
capacity or less will result in automatic restoration to the normal
operation of the unit.
CAUTION
The load limiter is subject to overheating and wear when excessively
actuated. For this reason, once overloading is detected, the excess
load must be removed and normal operation restored without continued
undue operation. The Load Limiter is designed to operate dry, without
lubrication. To ensure proper operation, do NOT apply lubricant to the
friction surfaces or to adjacent parts of the load limiter.
TESTING
During the periodic inspection, we recommended to test the load
limiter. To perform this test, attach the lower hook to a load of
maximum 160% of rated capacity and operate the unit in the "up"
direction. When attempting to lift the load, the lever should slip. After
this test, move the trigger to the down position and operate the unit
to remove the tension from the units. once tension is released, the
unit should return to normal operation. If the load does not slip @
160% of rated capacity, please readjust the load limiter. Refer to CM
Customer Service or your nearest Service Center. If after adjustment,
the load limiter still is unable to slip within the speci ed window, the
load limiter needs to be replaced.
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(ENGLISH)
P/N: 192034281 Rev AE Sept 2018
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