Grease Change Cycle; Guidelines On The Service Life Of Contactor And Its Replacement; Guidelines On Brake Inspection; Guidelines On Gear Parts Replacement - KITO ER2 Serie Manuel Du Propriétaire

■ Guidelines on Needle Bearing (for Idle Sheave) Grease Change Cycle
Rate of loading
Light A case where the capacity is rarely applied. Usually the hoist is used with a light load.
A case where the capacity is applied considerably frequently. Usually the hoist is used
Medium
with a medium load.
A case where the capacity is applied considerably frequently. Usually the hoist is used
Heavy
with a heavy load.
Ultra
A case where the capacity is applied constantly.
heavy

■ Guidelines on the service life of contactor and its replacement

Replace the Contactor in accordance with the following rate of inching and the number of start. Replace the Contactor
every five years even if the number of start does not reach at the following.
Rate of inching
Low Normally operating with scarce inching
Medium Normally operating with occasional inching
High Normally operating with inching at a half times or more
NOTE) · For single speed model, check the number of start with the CH Meter. (Refer to "Check of Operating Hours and
Start Times (CH Meter)". (P92))
· For dual speed VFD model, check the number of start and operating hours with the indicator of the VFD by the
maintenance engineer in accordance with the separate "VFD Manual".
Be sure to use the designated contactor.

■ Guidelines on Brake Inspection

When the number of start reaches at one million times, inspect the brake gap and carry out the following treatment
depending on the condition of the brake gap.
When the number of start reaches at two million times, replace the brake unit as a whole irrespective of the condition of
the brake gap.
Condition of brake gap
Brake gap reaches at the limit gap.
Brake gap reaches at 50 to 100 % of the limit gap. Check the Brake at every 100,000 times until the brake gap reaches at the limit gap.
Brake gap is less than 50 % of the limit gap.
■ Guidelines on Gear Parts Replacement (Load Gear, Gear B,
Pinion, Friction Clutch, Friction Clutch with Mechanical Brake)
Operating hours to replace parts
Body size grade
M6, 3m
M5, 2m
M4, 1Am
Operating hour for gear oil change
Number of start to replace contactor
NOTE
Replace the brake as a whole.
Check the Brake at every 200,000 times.
Every 800 hours
–
–
Parts replacement
Every 200 hrs
○
○
Every 200,000 Every 500,000
times times
○
○
Treatment
Every 1600 hours
–
Parts replacement
–
Every 400 hrs
○
○
Every 1 million
times
○
Every 3200 hours
Parts replacement
–
–
(to be continued)
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