Appendix
Check Sheet for ER2 Series Electric Chain Hoist Periodic Inspection
Electric Chain Hoist
Motorized Trolley
Geared Trolley
Plain Trolley
■ Electric Chain Hoist ER2 Periodic Inspection (1/2)
■Check result : ○ Good, △ To be replaced (adjusted) next inspection, × Bad, Needs replacement (adjustment)
Category
Check item
Daily inspection
Frequent inspection
Number of start
Chain guide A
Chain spring
Stopper
A
Limit lever
Chain pin
Connection Yoke
Shaft retainer clip
Oil leakage
Oil amount and stain
Appearance
Gap
Hub and joint
Number of start
144
Code
Capacity
ER2
MR2
TS2 (TSG)
TS2 (TSP)
Check method
When performing periodic inspection, also perform the
Check the execution
daily inspection.
When performing periodic inspection, also perform the
Check the execution
frequent inspection.
Number of start not to exceed the guidelines for
Check CH Meter
replacement
• To have no apparent abrasion and damage
Visual inspection
• To have no flaw due to hitting by Load Chain
Visual inspection/
• To have no apparent permanent setting (deformation)
inspection by
• Length of the chain spring to be longer than the
measurement
Stopper must be mounted securely at the third link
Visual inspection
from the load chain end at no load side
Visual inspection/
• To have no deformation, damage and abrasion
inspection by
• To move smoothly
operation
• To be clean
Visual inspection/
• To have no apparent deformation and flaw
inspection by
• Not to lower the criteria
measurement
• To have no apparent deformation, abrasion and
Visual inspection/
inspection by
• The difference between the hole diameter in vertical
measurement
• To have no deformation, damage and abrasion
Visual inspection
• To be mounted securely without looseness
Visual inspection
To have no oil leakage at packing, oil seal and oil plug
• Oil is filled enough close to the oil check hole.
• Gear oil has viscosity but not stained.
Visual inspection
• Check the operating hours with CH Meter. Operating
• To have no loosened bolts and screws
Visual inspection
• To have no flaw and damage
Measurement
The gap not to exceed the limit value
• To have no deformation and abrasion
Visual inspection
• Hub spring not to come off
Check the gap at the number of start arrives at one
million times. Check the gap regularly after that and
Check the CH Meter
replace the electromagnetic brake when the gap
arrives at the limit gap or the number of start arrives at
two million times.
Lot No.
Your CTRL No. Installation date Location Inspection Certification valid thru
Criteria
criteria
damage
and lateral to be within 0.5 mm
hours not to exceed the guidelines for oil change.
Inspection date/result
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