Page 10
Item
Frequency of Inspection
Possible Deficiencies
OK
Action
Required
Frequent
Periodic
Daily
Monthly
1-12 Mo.
Operating Controls
·
·
·
Any deficiency causing improper operation
Limit Switches
·
·
·
Any deficiency causing improper operation
Pitting or detetrioration
Disc (Motor) Brake
·
·
·
·
Slippage or excessive wear
Glazing, contaimnation of excessive wear
Load Brake
(Mechanical)
·
Failure to support load with disc brake open
(see Figure 4-8)
Hooks
·
·
·
·
Excessive throat opening, bent or twisted
more than 10 degrees, damaged hook latch,
wear, chemical damage, worn hook bearing
Cracks (use dye penetrant, magnetic particle
or other suitable detection method)
Suspension Lug
·
·
Cracks, excessive wear or other damage
which might impair the strength of the lug
Cracks (use dye penetrant, magnetic particle
or other suitable detection method)
Wire Rope
·
·
·
·
·
Inadequate lubrication, wear, twist, distortion,
improper dead-ending, deposits of foreign
substance
Deterioration or wear resulting in appreciable
loss of original strength
Suspension
Lug Connections
·
Cracks, bending, stripped threads, damaged
suspension studs
Pins, Bearings,
Bushings, Shafts,
Couplings, Gears
·
Excessive wear, corrosion, cracks, distortion
Nuts, Bolts, Rivets
·
Looseness, stripped and damaged threads,
corrosion
Sheave, Drum
·
Distortion, cracks and excessive wear
Build up of foreign substances
Housing, Load Block
·
Cracks, distortion, excessive wear, Internal
build up of foreign substances
Wiring and Terminals
·
Fraying, defective insulation
Contact Block,
Magnetic Hoist
Control Switch, Other
Electrical Appartus
·
Loose connections, burned or pitted contacts
Supporting Structure
and Trolley (if used)
·
Damage or wear which restricts ability to
support imposed loads
Nameplates, Decals
Warning Labels
·
Missing, damaged or illegible
Transmission
Lubricant
·
Low Level, Requires Changing
Note: Refer to Maintenance and Inspection Sections of the Hoist Maintenance Manual for further details.
Figure 4-1. Recommended Inspection and Maintenance Check List
FREQUENCY OF INSPECTION:
Frequent -Indicates items requiring inspection daily to monthly. Daily inspections may be performed by the operator if properly designated.
Periodic - Indicates items requiring inspection monthly to yearly. Inspections to be performed by or under the direction of a properly
designated person. The exact period of inspection will depend on frequency and type of usage. Determination of this period will be
based on the user's experience. It is recommended that the user begin with a monthly inspection and extend the periods to
quarterly, semiannually or annually based on his monthly experience.
INSPECTION & MAINTENANCE CHECK LIST
ELECTRIC POWERED OVERHEAD WIRE ROPE HOIST
TYPE OF HOIST
CAPACITY (TONS)
LOCATION
ORIGINAL INSTALLATION DATE
MANUFACTURER
MANUFACTURER'S SERIAL NUMBER
For more information contact: Sievert Crane and Hoist, (708) 771-1600, [email protected], www.sievertcrane.com