14
15
SAFE OPERATING PROCEDURES FOR OVERHEAD CRANES / HOISTS
& SLINGS
DO Not
• Lift more than rated capacity
of Hoist.
• Operate Hoist with twisted,
kinked or damaged hoist-
rope
• Operate if rope is not seated
in drum or sheave grooves.
• Lift unless load slings are
centered on hook.
• Lift people or travel with
people on load.
• Make side pulls which
misalign rope with hoist.
• Operate unless all travel limit
devices are functioning.
• Lower below point where
less than two full wraps of
rope remain on hoist drum.
• Use upper limit switch to
stop hoist limit which is
emergency stop only.
• Leave operating position
with suspended load on
hook.
• Permit load to contact
obstacles.
• Exceed recommended duty
cycle.
• Use Hoist Rope or chain as
a sling or as an earthing for
welding.
• Divert his attention while
operating.
• Remove or obliterate
warning label
• Exceed fuse rating.
DO
• Test hoist & travel limit
devices at a start of each
shift.
• Position the Hoist so that
lifting appliance is directly
over the load.
• Take load gently & avoid
shock loads.
• Ensure the travel path is
clear before traveling.
• Sound warning single when
approaching personnel.
• Balancer the loading sling
before lifting more than few
inches.
• Test hoist brakes whenever
lifting load approaching
rated load capacity. Lift
load a few inches & test
hoist brakes before making
complete lift.
• Make visual checks on
equipment at reasonable
intervals & report the defects
immediately.
• Use controller to “stop” hoist
not limit switch.
• Watch for proper rigging on
load before lifting.
• Know standard hand signals.
• Check Lubricants.
• Check for proper phasing.
• Always anchor outdoor
hoists when not attended.
• Keep load block safely
overhead when not in use.
CAUTIONS
WHENEVER LEAVING OR
PARKING ANY HOIST OR CRANE
• Raise all hook to-but not
through-limit switches.
• Place all controls in off
position
• Place main power switch in
off position.
• Make visual check for
any dangerous condition
& report any defect
immediately.
• Report to supervisor when
Hoist is not in operation.
• Take up slacks, than start
load slowly.
• Keep chains free from twists,
knots & knits.
• Lift form Center of hooks.
Avoid lifting form points.
• Distribute load evenly on all legs.
• Inspect chain regularly.
Remember elongation of
links is a sign of overloading.
• A sharp edge can cut the lift
of your sling. Use blocking
padding or a corner saddle.
• Remove knots large enough
for the load.
• Don’t jerk loads- jerking may
double the stress in your
sling. Lift load gradually.
Hercules Hoists Limited ©2020
Note :- Due to continuous development and improvement specification listed above may be changed without notice
Indef CHAIN ELECTRIC HOIST
Hercules Hoists Limited ©2020
Note :- Due to continuous development and improvement specification listed above may be changed without notice
MAINS SPARE PART LIST – 1T - 2T
Hercules Hoists Limited ©2020
Note :- Due to continuous development and improvement specification listed above may be changed without notice
Indef CHAIN ELECTRIC HOIST