18
JLC680-2 Rev AA
April 2019
SECTION VII — INSPECTION CONTINUED
INSPECTION AND MAINTENANCE CHECK LIST
ELECTRIC POWERED OVERHEAD CHAIN HOIST
Figure 10A — Recommended Inspection and Maintenance Check List
NOTE: This inspection and maintenance check list is in accordance with our interpretation of the requirements of the Safety Standard for
Overhead Hoists ASME B30.16. It is, however, the ultimate responsibility of the employer/user to interpret and adhere to the applicable
requirements of this safety standard.
Type of Hoist ________________________________________________
Location ____________________________________________________
Manufacturer ________________________________________________
Capacity (Tons) ______________________________________________
Original Installation Date ______________________________________
Manufacturer's Serial No. _____________________________________
Item
Frequency of Inspection
Possible Deficiencies
Ok
Action Required
Frequent
Periodic
Daily
Monthly
Every 3 Months
to Annually as
defined per
ASME B30.16
Operating Controls
*
*
*
Any deficiency causing improper operation
Limit Switches
*
*
*
Any deficiency causing improper operation
Pitting or deterioration
Brake Mechanism
*
*
*
1. Slippage or excessive drift
2. Glazing, contamination or excessive wear
Hooks
*
*
*
Excessive throat opening 15% bent or twisted
more than 10 degrees, damaged hook latch, wear,
chemical damage, worn hook bearing. Cracks (use
dye penetrant, magnetic or other suitable detection
method)
Suspension Lug (if used)*
*
*
*
Cracks, excessive wear or other damage which
may impair the strength of the lug. Cracks (use
dye penetrant, magnetic particle or other suitable
detection method)
Chain
*
*
*
Inadequate lubrication, excessive wear or stretch,
cracked, damaged or twisted links, corrosion or
foreign substance
Hook and Suspension Lug
Connections
*
Cracks, bending, stripped threads
Pins, Bearings, Bushings
Shafts, Couplings
*
Excessive wear, corrosion, cracks, distortion
Nuts, Bolts, Rivets
*
Looseness, stripped and damaged threads,
corrosion
Sheaves
*
Distortion, cracks, and excessive wear. Build-up of
foreign substances
Housings, Load Block
*
Cracks, distortion. Excessive wear, internal build-up
of foreign substances
Wiring and Terminals
*
Fraying, defective insulation
Hoist Reversing Contactor,
other Electrical Apparatus
*
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 this manual for further details.
Содержание Coffing JLC Series
Страница 35: ...33 JLC680 2 Rev AA April 2019 FIGURE 23 TRANSMISSION...
Страница 37: ...35 JLC680 2 Rev AA April 2019 FIGURE 24 CHAINING PARTS...
Страница 39: ...37 JLC680 2 Rev AA April 2019 NOTES...