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Periodic Inspection (continued)
Chapter 2 Inspection
Item Check method Criteria When failed
Bearing • Check for any strange
noises.
• Check the operating hours
with the CH Meter.
(Refer to P88.)
• Sounds no strange noise during lifting/
lowering operation with no load.
• The operating hours must not exceed
the guidelines for replacement. (Refer to
Guidelines on Bearing Replacement (P87).)
Replace the Bearing.
Load Gear,
Gear 2, Gear
3, Motor
Shaft
• Check for any strange
noises.
• Check the operating hours
using the CH Meter.
(Refer to P88.)
• To have no apparent abrasion
• To have no damage
• Operating hours not to exceed the guidelines
for replacement
(Refer to “Guidelines on Gear Parts
Replacement” (P87).)
• Replace the Gear.
• Replace the Motor
Shaft.
• Replace the oil at
the same time.
Friction
Clutch
• Check for any strange
noises.
• Check the operating hours
using the CH Meter.
(Refer to P88.)
• Sounds no strange noise during lifting/
lowering operation with no load.
• Do not adjust or disassemble
the Friction Clutch.
Adjusting and disassembling the
Friction Clutch 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” (P87).)
Replace the Friction
Clutch.
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Driving Mechanism
Electric Chain Hoist (EQ) Periodic Inspection Periodic Inspection
2