5-10t Internal Combustion Counterbalance Forklift Truck Operation & Maintenance Manual
Table 3-5 Low Transmission Efficiency
Part
Cause for Failure
Generation
Examination Method Removal Method
(1)Elastic Pad Broken Examining rotating sound at low
speed, and examining whether or not
the front cover rotates
To be replaced
(2)Oil Quantity
Insufficient
Examining oil level Oil to be added
(3)Drive System of Oil
Feed Pump out of
Order
Disassembling and examining To be replaced
(4)Shaft Broken Disassembling and examining To be replaced
Torque
Converter
(5)Oil Pressure too
Low
Examining whether or not suction
pressure is formed at oil inlet side of
oil feed pump
To be replaced
(1)Oil Quantity
Insufficient
Examining oil level Oil to be added
(2)Seal Ring Damaged Disassembling and examining To be replaced
(3)Clutch Lamella
Skidding
Examining clutch oil pressure To be replaced
(4)Shaft Broken Disassembling and examining To be replaced
(5 Clutch Cover Broken
Disassembling and examining To be replaced
(6)Spring Retainer Ring
of Clutch Cover Broken
Disassembling and examining To be replaced
(7)Extraneous
Substance Present in
Clutch Oil Tank
Disassembling and examining To be cleaned or
replaced
Transmission
(8)Spline Part of Shaft
Worn out
Disassembling and examining To be replaced
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