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Table of Contents
2
■Motorized Trolley (MR2) Periodic Inspection
Brake
Appearance ……………………………………… 84
Abrasion of Brake Pad …………………………… 84
Body size Components
Wheel ……………………………………………… 84
Side Roller ………………………………………… 84
Lifting Shaft ……………………………………… 85
Suspender ………………………………………… 85
Gear Frame Packing …………………………… 85
Gears and Motor Shaft ………………………… 85
Travel Rail
Rail Surface ……………………………………… 86
Deformation and Abrasion ……………………… 86
Rail Mounting Bolt ……………………………… 86
Stopper …………………………………………… 86
Relay Cable
Appearance ……………………………………… 86
Electrical Equipment and Electric Characteristics
… 86
(Refer to Electric Chain Hoist (ER2) Periodic Inspection)
Function and Performance
Operational Check ……………………………… 87
Brake ……………………………………………… 87
Abnormal Noise ………………………………… 87
■ Manual Trolley (TSG/TSP) Periodic Inspection
Body size Components
Wheel ……………………………………………… 88
Lifting Shaft ……………………………………… 88
Suspender ………………………………………… 88
Travel Rail
Rail Surface ……………………………………… 88
Deformation and Abrasion ……………………… 89
Rail Mounting Bolt ……………………………… 89
Stopper …………………………………………… 89
Function and Performance
Operational Check ……………………………… 89
Abnormal Noise ………………………………… 89
■ Guidelines for Parts Replacement based on
Indication of CH Meter
Guidelines and Precautions on Gear Oil Change Cycle
… 90
Guidelines on Needle Bearing (for Idle Sheave)
Grease Change Cycle ……………………………… 91
Guidelines on the service life of contactor and its replacement
… 91
Guidelines on Brake Inspection …………………… 91
Guidelines on Gear Parts Replacement ………… 91
Guidelines on Motor Shaft Replacement ………… 92
Guidelines on Bearing Replacement …………… 92
●Reference
Daily inspection is described in Chapter 1 “How
to Use the Product”. Refer to the following daily
inspection items and their relevant pages.
■ Daily Inspection of Electric Chain Hoist (Hook Suspended Type)
Appearance
Indication of nameplates and labels ………… 20
Deformation and damage of body size and each part
… 20
Loosened or fallen off bolts, nuts and split pins
… 20
Load Chain
Elongation of Pitch ……………………………… 21
Abrasion of Wire Diameter …………………… 21
Deformation, Flaw, Entanglement …………… 21
Rust, Corrosion ………………………………… 21
Twist ……………………………………………… 21
Lubrication ……………………………………… 21
Mark ……………………………………………… 21
Top Hook / Bottom Hook
Opening of the Hook …………………………… 22
Abrasion ………………………………………… 22
Deformation, Flaw, Corrosion ………………… 22
Hook Latch ……………………………………… 22
Hook movement (Rotation) …………………… 22
Movement of the Idle Sheave ………………… 23
Bottom Yoke ……………………………………… 23
Peripheral parts of the body size
Chain Spring …………………………………… 23
Cushion Rubber ………………………………… 23
Push Button Switch
Switch body size ………………………………… 24
Function and Performance
Operational Check ……………………………… 24
Brake ……………………………………………… 24
Friction Clutch with Mechanical Brake
………… 24
Limit Switch ……………………………………… 24
Check for no Abnormal Sound ………………… 24
Daily Inspection of Motorized Trolley (MR2)
Appearance
Indication of Nameplates and Labels ………… 25
Deformation and damage of each part ……… 25
Loosened or fallen off bolts, nuts and split pins
… 25
Function and Performance
Operational Check ……………………………… 26
Brake ……………………………………………… 26
■Daily Inspection of Manual Trolley (TSG/TSP)
Appearance
Indication of Nameplates and Labels ………… 26
Deformation and damage of each part ……… 26
Loosened or fallen off bolts, nuts and split pins
… 26
Function and Performance
Operational Check ……………………………… 27
Guidelines on Hook and Yoke Replacement …… 92
Guidelines on V ring Inspection ………………… 92
■ Check of Operating Hours and Number of Start
(CH Meter)
CH Meter: Start Times/Operating Hour Display Device
… 92