138
Check Sheet for ER2 Series Electric Chain Hoist Periodic Inspection (continued)
Appendix
■
Motorized Trolley MR2 Periodic Inspection
■
Check result :
○
Good,
△
To be replaced (adjusted) next inspection,
×
Bad, Needs replacement (adjustment)
Category
Check item Check method Criteria
Inspection date/result
/ / / / / /
Preceding
inspection
Daily inspection
Check the
execution
When performing periodic inspection, also perform
the daily inspection.
Frequent inspection
Check the
execution
When performing periodic inspection, also perform
the frequent inspection.
Brake
Appearance Visual inspection
• To have no deformation, aw and damage on the
brake drum and motor cover
• To have no deformation, aw and damage on
brake spring
Brake Pad Measurement Abrasion to be less than limit value
Body size component
Wheel
Visual inspection/
inspection by
measurement
• To have apparent deformation and damage
• Abrasion of outer diameter to be less than limit
value
Side roller
Visual inspection/
inspection by
measurement
• To have no apparent deformation and damage
• Abrasion of outer diameter to be less than limit
value
Lifting shaft
Visual inspection/
inspection by
measurement
• To have no apparent deformation and damage
• Abrasion of outer diameter to be less than limit
value
Suspender
Visual inspection/
inspection by
measurement
• To have no apparent deformation and damage
• Abrasion of outer diameter to be less than limit
value
Gear frame packing Visual inspection
• To have no damage, breakage and grease leakage.
Gears, motor shaft Visual inspection
• To have no apparent abrasion, deformation and damage
Travel Rail
Rail surface Visual inspection
• To have no attachment of paint, oil and foreign matter
• To have no dust and powder due to abrasion
Deformation, abrasion
Visual inspection/
inspection by
measurement
• To have no deformation of beam ange such as
twist and shear drop
• To have no exceeding abrasion of rail surface
Rail xing bolt Visual inspection
To be mounted securely without looseness and
come-off
Stopper Visual inspection
To be mounted securely without looseness and
come-off at the rail end
Relay
cable
Appearance Visual inspection
To be connected securely without deformation and
damage
Refer to check table of electric chain hoist ER2 for electrical parts, push button switch, power feeding and electrical characteristics.
Function/performance
Operational check
Traveling operation
with a capacity
Visual inspection/
inspection by
measurement
Perform inspection of the items on function/performance
of daily inspection with no load, and then perform the
inspection of the same items with a capacity.
• To travel smoothly without serpentine motion and
vibration
Brake
Traveling operation
with a capacity
Visual inspection/
inspection by
measurement
• Stopping distance of traveling to be within 10 %
of the traveling distance, when no swinging of a
load
Strange noise
Traveling operation
with a capacity
Visual inspection/
inspection by
measurement
• To have no irregular rotating noise
• To have no motor hamming or scraping noise of a
brake
Executed by Inspector
Checked by Maintenance Engineer
A
Check Sheet for ER2 Series Electric Chain Hoist Periodic Inspection
Code Capacity Lot No.
Your CTRL No.
Installation date
Location
Inspection Certification valid thru
Electric Chain Hoist ER2
Motorized Trolley MR2
Geared Trolley
TS2 (TSG)
Plain Trolley
TS2 (TSP)
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