CM-ET Series 653 - Manual (Page 12)

INSPECTION AND MAINTENANCE CHECK LIST
HAND OPERATED LEVER HOIST
Type of Hoist ___________________________________________________________ Capacity (Tons)________________________________________________________
Location _______________________________________________________________ Original Installation Date ______________________________________________
Manufacturer___________________________________________________________ Manufacturer’s Serial No. ______________________________________________
Item Frequency of Inspection Possible Deficiencies OK Action
Frequent Periodic
Required
Daily Every 3 Months
Brake Mechanism
* * Slippage or excessive drift.
Worn, glazed or contaminated friction discs. Thickness of discs
less than 0.094 inches.
Directional Lever * * Binding and does not move freely.
Inadequate lubrication, excessive wear or stretch, cracked
Load Chain * * damaged or twisted links, corroded or clogged with foreign
material.
Hooks
* * Excessive throat opening, twisted more than 10 º, damaged
or non-operating hook latch, chemical damage. Cracks (Use dye
penetrant, magnetic or other suitable detection method at
least once a year).
Lower Hook Block, Upper Hook Cracks, distortion, excessive wear, corrosion or build-up of
Block, Upper Hook Pin, Chain Guide * foreign material.
Rollers, Bushings, Gears, Pinion and
Friction Hub
Tip of Pawls and Lever Pawl Cracks, distortion, excessive wear, corrosion or build-up of
Teeth of Ratchet and Lever Ratchet of foreign material.
*
Pockets of Liftwheel, Stripper
Cracks, distortion, excessive wear, corrosion or build-up of
and Side Plates *
foreign material.
Nuts, Bolts, Pins and Rivets
* Cracks, bending, loose, stripped threads.
Pawl Springs, Directional Pawl Corrosion, stretched or broken.
Spring, and Spring *
Chain Stop * Missing, cracked, not secured to chain, not properly positioned.
Nameplate, Warning Labels and
Free Chaining Tags * Missing, Damaged or illegible.
NOTE: Refer to Maintenance and Inspection Sections of this manual for further details.
FREQUENCY OF INSPECTION
Frequent - Indicates items requiring inspection daily or before each use. These inspections may be performed by the operator if properly designated.
Periodic -- Indicates items requiring inspection every three months. 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 quarterly inspection and extend the periods to semi-annually or annually based on the user’s quarterly
experience.
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.
9
Maintenance (Continued)
Figure 14 — Recommended Inspection and Maintenance Check List