SECTION B - OPERATION
The CM Lodestar Protector is designed to allow the
intermediate gear to slip on an excessive overload.
An overload is indicated when the hoist will not raise
the load. Also, some clutching noise may be heard if
the hoist is loaded beyond rated capacity. Should
this occur, immediately release the up (i) control to
stop the operation of the hoist. At this point, the load
should be reduced to the rated hoist capacity or the
hoist should be replaced with one of the proper
capacity. When the excessive load is removed,
normal hoist operation is automatically restored.
CAUTION: The CM Lodestar Protector is susceptible to
overheating and wear when slipped for extended periods.
Under no circumstance should the clutch be allowed to slip for
more than a few seconds.
Due to the above, the Lodestar Hoist equipped with a
Protector is not recommended for use in any application
where there is a possibility of adding to an already suspended
load to the point of overload.
This includes dumbwaiter ( *) installation, containers that are
loaded in mid-air, etc.
Also, if a Lodestar Hoist with a Protector is used at unusual
extremes of ambient temperatures, above 150' F. or below
15' F., changes in lubricant properties may permit the hoist to
raise larger loads than under normal operating conditions and
presents possibility of damage or injury.
All hoists are equipped with an adjustable screw limit
switch, which automatically stops the hook at any
predetermined point when either hoisting or lowering.
The control station used on two speed hoist is similar
to single speed unit, except that either of two definite
speeds may be selected by the operator in both
hoisting and lowering. Each control when partially
depressed provides SLOW speed and when fully
depressed gives FAST speed. Partial release of
control returns hoist to slow speed, while complete
release allows hoist to stop. Rated lifting speeds are
shown on hoist identification plate.
SLOW speed is intended as a means of carefully
controlling or "spotting" the load, although the hoist
may be operated solely at this speed if desired. It is
not necessary to operate in the SLOW speed position
as the hoist will pick up a capacity load at FAST
speed from a standing start. In other words, it is not
necessary to hesitate at the slow position when
moving control from STOP and FAST position or vice
If material being handled must be immersed in water,
pickling baths, any liquid, dusty or loose solids, use a
sling chain of ample length so that the hook is
always above the surface. Bearings in the hook
block are shielded only against ordinary atmospheric
Refer to limitations on inside cover sheet coning dumbwaiter
Before picking up a load, check to see that the hoist
is directly overhead.
WHEN APPLYING A LOAD, IT SHOULD BE
DIRECTLY UNDER HOIST OR TROLLEY. AVOID
OFF CENTER LOADING OF ANY KIND.
Take up a slack load chain carefully and start load
easily to avoid shock and jerking of hoist load chain.
If there is any evidence of overloading immediately
lower the load and remove the excess load.
Do not allow the load to swing or twist while hoisting.
HOIST WITH LOW HEADROOM TROLLEY
This unit should be moved by pushing on the
suspended load or by pulling the empty hook.
However, the unit can also be moved by pulling on
the control station since an internal steel cable
extends the length of the control cord and is
anchored to the hoist and to the control station.
HOIST WITH MOTOR DRIVEN TROLLEY
This unit should be moved by operating the controls
marked * (FORWARD) and $ (REVERSE) in control
station. Unless altered by the erector, depressing 4
(FORWARD) control will move the hoist toward
motor housing end. Anticipate the stopping point
and allow trolley to coast to a smooth stop.
Reversing or "plugging" to stop trolley causes
overheating of motor and swaying of load.
When preparing to lift a load, be sure that the
attachments to the hook are firmly seated in hook
saddle. Avoid off center loading of any kind,
especially loading on the point of hook.
When lifting, raise the load only enough to clear the
floor or support and check to be sure that the
attachments to the hook and load are firmly seated.
Continue lift only after you are assured the load is
free of all obstructions.
Do not load hoist beyond the rated capacity shown
on hoist identification plate or on the hoist motor
housing cover, Models A thru H and A-2 thru H-2 and
on hoist back frame cover, Models J thru RR and J-2
thru RR-2. Overload can cause immediate failure of
some load carrying part or create a defect causing