Coffing Hoists EC3 Series Operating, Maintenance & Parts Manual page 11

INSPECTION SCHEDULE AND MAINTENANCE REPORT
Type of Hoist
Location
Manufacturer
Item
Operating Controls
Limit Switches
Disc (Motor) Brake
Load Brake/ Mechanical
Hooks
Suspension Lug (if used)
Chain
Hook and Suspension
UigConnections
Pins, Bearings, Bushings, Shafts,
Couplings, Chain Guides
Nuts, Bolts, Rivets
Sheaves
Housing, Load Block
Wiring and Terminals
Contact Block, Magnetic Hoist
Control Switch, Other Electrical
Apparatus
Supporting Structure and Trolley
(if used)
Nameplates, Decals, Warning Labels
Transmission Lubricant
Note: Refer to Maintenance and Inspection Sections of the Hoist Maintenance Manual for further details.
FREQUENCY OF INSPECTION:
Frequent - Indicates items requiring inspections 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, semi-annually or annually based on his monthly experience
FIGURE 4-1. RECOMMENDED INSPECTION AND MAINTENANCE CHECK LIST
Capacity (Tons)
Original Installation Date
Manufacturer's Serial No.
Frequency of Inspection
Frequent
Periodic
1-12 Months
Daily Monthly
Any deficiency causing improper operation
• • •
• Any deficiency causing improper operation
• •
• Pitting or deterioration
• Slippage or excessive wear
• •
• Glazing, contamination or excessive wear
Failure to support load with disc brake open (see paragraph
•
4-3 f)
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)
Crack, excessive wear or other damage which may impair the
• • strength of the lug cracks (use dye penetrant, magnetic particle
or other suitable detection method)
Inadequate lubrication, excessive wear or stretch, cracked
• • •
damaged or twisted links, corrosion or foreign substance
Cracks, bending, stripped threads, loose mounting screws
•
Excessive wear, corrosion, cracks, distortion
•
Looseness, stripped and damaged threads, corrosion
•
Distortion, cracks and excessive wear. Buildup of foreign
•
substances
Distortion, cracks and excessive wear, internal buildup of
•
foreign substances
Fraying, defective insulation
•
Loose connections, burned or pitted contacts
•
Damage or wear which restricts ability to support imposed
•
loads
• Missing, damaged or illegible
Low level, requires changing
•
Possible Deficiencies
11
OK Action Required
EC3-680-3 February 2017
Order # 5041558-0 & 5041679-0