KITO ER2M - Ring

81
Item Check method Criteria When failed
Abrasion and
flaw of the
Load Sheave
• Disassemble the Load
Sheave and check it visually.
• Measure the thickness with
vernier caliper.
Worn portion
Thickness at
purchasing
Thickness
• To have no apparent abrasion, deformation
and damage
• To have neither abrasion of the sheave pocket
northerun-onawonthecrest.
If the abrasion is observed on the Load
Sheave, the Load Chain may be worn
also. Refer to the item of Load Chain
Abrasion and check the abrasion.
NOTE
• Service limit of the Load Sheave and Idle Sheave
(Do not fall under the limit)
Code Capacity (t)
Thickness (mm)
Standard Limit
ER2-001H/IH 125kg
1.5 1.0ER2-003S/IS
250kg
ER2-003H/IH
ER2-005L/IL
500kg 3.0 2.0
ER2-005S/IS
ER2-010L/IL
1 4.5 3.0
ER2-010S/IS
ER2-016S/IS 1.6
6.5 4.3
ER2-020L/IL
2
ER2-020S/IS
ER2-032S/IS 3.2
ER2-025S/IS 2.5
7.3 4.9
ER2-050S/IS 5
Replace the Load
Sheave.
Abrasion and
flaw of the
Idle Sheave
Crest
• Disassemble the Load
Sheave and check it visually.
• Measure the thickness with
vernier caliper.
Worn portion
Thickness at
purchasing
Thickness
Replace the Idle
Sheave.
Abrasion
and flaw of
the Needle
Bearing for
Idle Sheave
and Bottom
Shaft.
Needle
Bearing
Wipe off the grease applied
inside of the Idle Sheave and
Needle Bearing, and check
visually for Needle Bearing and
Bottom Shaft.
• No deformation and damage.
• The idle Sheave rotate smoothly.
• After having maintenance and have no
abnormalities, apply grease inside adequately
• Timing of change the grease (Refer to “Needle
Bearing (for Idle Sheave) rough standard for
replacethegrease”(P91
）
.
）
Replace the Idle
Sheave.
V ring
• Check visually.
• Check the operating hours
using the CH Meter.
• To have no deformation and crack
• Operating hour must not exceed 200 hours.
Perform the inspection
items of “Guidelines on
VringInspection”(P92).
Periodic Inspection
2
Electric Chain Hoist (ER2) Periodic Inspection
(to be continued)
Bottom Shaft