Harrington Hoists and Cranes SH Hoist User Manual
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2. HANG LOAD CAREFULLY ON THE HOOK
Hang the load precisely (Fig. 5). Loads should not be hung forcibly or bound directly to the
hook (Fig. 6). This could cause the hangers either to slip off or become deformed. We
recommend the use of slings between the hook and the load. The particular sling used should
be seated on the load-bearing surface of the hook. Do not put load on the tip of the hook.
3. SAFETY LATCH ON HOOK
Before hoisting, properly position the safety latch (Fig. 5). Safety latches are provided on both
hooks to minimize the danger of the load slipping off the hook.
4. DO NOT LIFT LOAD WITH MULTIPLE HOISTS
It is NOT recommended to overload any hoist or to lift with two or more hoists. IF such is
unavoidable, each hoist must be capable of supporting a full, evenly distributed load and
should be designed by the factory for multiple hoist lifting.
5. ALWAYS LIFT LOAD AT CENTER OF GRAVITY
An unbalanced load may slip off the hook. In the case of a trolley type, cocked trolley may
force the beam to swing sideways or damage the trolley.
6. DO NOT REVERSE DIRECTION OF MOTOR ROTATION QUICKLY
Always bring motor to a complete stop when you move from one operation (e.g., lifting) to the
next (e.g. lowering). Continued jogging (rapid reversal of motor) may lead to premature failure
of electrical contactors and motor. Motor will not reverse direction if motor is not brought to a
complete stop when under load.
7. DO NOT BUMP TROLLEY AGAINST BEAM STOPPER
Bumping into the beam stopper may damage the trolley or hoist mechanism. A stopper should
be attached at each end of the beam to prevent the trolley from running off the beam.
8. DO NOT PULL THE PUSH BUTTON CORD
Electrical trouble may result from attempting to move the trolley by pulling the push button
control cord. Always move the trolley by pulling/pushing on the hook or load.
Safety
Latch
Safety
Latch
Fig. 5
Fig. 6