KITO ER2 - Friction Clutch with Mechanical Brake; Abrasion and flaw of the Load Sheave; Abrasion and flaw of the Idle Sheave; V ring

81
Item Check method Criteria When failed
Friction
Clutch with
Mechanical
Brake
• Check visually.
• Check the operating hours
using the CH Meter.
• To have no apparent abrasion, deformation,
awanddamage
• Pawl must have no apparent deformation and
abrasion.
• Do not adjust or disassemble
t h e F r ic tio n C l u t c h w i t h
Mechanical Brake.
Adjusting and disassembling the
Friction Clutch with Mechanical Brake
may result in death or serious injury.
Prohibited
DANGER
• Operating hours not to exceed the guidelines
for replacement
(Refer to “Guidelines on Gear Parts Replacement” (P91).)
Replace the Pawl and
the Friction Clutch with
Mechanical Brake.
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/HD 125kg
1.5 1.0ER2-003S/IS/SD
250kg
ER2-003H/IH/HD
ER2-005L/IL/LD
500kg 3.0 2.0
ER2-005S/IS/SD
ER2-010L/IL/LD
1 4.5 3.0
ER2-010S/IS/SD
ER2-015S/IS/SD 1.5
6.5 4.3
ER2-020L/IL/LD
2
ER2-020S/IS/SD
ER2-028S/IS
3
ER2-030S/IS/SD
ER2-025S/IS/SD 2.5
7.3 4.9
ER2-050S/IS/SD 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.
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)