KITO ER2 Series User Manual

64
■ Periodic Inspection
(Carry out the periodic inspection after check of no
abnormality in daily inspection and frequent inspection
items.)
■Electric Chain Hoist (ER2) Periodic Inspection
Top Hook, Bottom Hook
Number of start …………………………………… 76
Peripheral parts of the Body size
Chain Guide A …………………………………… 76
Chain Spring ……………………………………… 77
Stopper …………………………………………… 77
Limit Lever ………………………………………… 77
Chain Pin (double type only) …………………… 78
Connection Yoke D (double type only) ………… 78
Shaft Retainer Clip ……………………………… 78
Oil
Oil Leakage ……………………………………… 78
Oil amount and stain …………………………… 78
Electromagnetic Brake
Appearance ……………………………………… 79
Gap ………………………………………………… 79
Hub Joint ………………………………………… 79
Number of start …………………………………… 79
Driving Mechanism
Bearing …………………………………………… 80
Load Gear, Gear B, Pinion ……………………… 80
Friction Clutch …………………………………… 80
Friction Clutch with Mechanical Brake ………… 81
Abrasion and flaw of the Load Sheave ………… 81
Abrasion and flaw of the Idle Sheave ………… 81
V ring ……………………………………………… 81
Electrical Equipment
Electrical Parts …………………………………… 82
Wiring ……………………………………………… 82
Contamination and attachment of foreign matter … 82
VFD ………………………………………………… 82
Electric Characteristics Measurement
Source Voltage …………………………………… 82
Insulation Resistance …………………………… 82
Grounding Resistance …………………………… 83
Function and Performance
Operational Check ……………………………… 83
Brake ……………………………………………… 83
■ Safety Precautions ………………………………… 66
■Frequent Inspection
(Carry out the frequent inspection after check of no
abnormality in daily inspection items.)
■Electric Chain Hoist (ER2) Frequent Inspection
Load Chain
Elongation of Pitch ……………………………… 69
Abrasion of wire diameter ……………………… 69
Top Hook, Bottom Hook
Opening and Abrasion of the Hook …………… 70
Deformation, Flaw, Corrosion ………………… 70
Peripheral parts of the Body size
Chain Container ………………………………… 71
Electromagnetic Brake
Number of start …………………………………… 71
Push Button Switch
Push Button Switch Body size ………………… 72
Push Button Switch Cord ……………………… 72
Power Supply
Power Cable ……………………………………… 73
Cable Hanger …………………………………… 73
Messenger Wire ………………………………… 73
Function and Performance
Abnormal Noise ………………………………… 73
■Motorized Trolley (MR2) Frequent Inspection
Appearance
Travel Rail ………………………………………… 74
Oiling (to the gears of wheel) …………………… 74
Push Button Switch, Power Supply …………… 74
(Refer to Electric Chain Hoist (ER2) Frequent Inspection)
■ Manual Trolley (TS2) Frequent Inspection
Appearance
Combination ……………………………………… 74
Travel Rail ………………………………………… 74
Oiling (to the gears of wheel) …………………… 74
Table of Contents
Table of Contents
2
Chapter 2 Inspection

KITO ER2 Series Specifications

General

Control Voltage	24V
Duty Cycle	40% ED
Protection Class	IP55
Temperature Range	-20°C to +40°C
Type	Electric Chain Hoist
Frequency	50/60 Hz
Motor Insulation	Class F
Brake Type	Electromagnetic
Load Chain Grade	Grade 80
Ambient Temperature	-20°C to +40°C
Power Supply	3-phase
Lift Height	3 to 30 meters
Chain Falls	1 or 2
Voltage	200-240V, 380-480V