Noblift LPT22 Service Maintenance Manual
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Contents
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504.6 TROUBLE DIAGNOSTICSSymptom Abnormality and cause CountermeasureBubble in hydraulic oil Mixed with airCheck if there is any placewhere air can be enteted.Tighten the loosened part again.Mixed with air and water Replace the oil.Discoloration Became inferior in quality by oxidizing ormixed with other particles. Replace the oil.The Plug Screw of port for adding oil is ventilate. When lower, the air will come outfrom the tank, it might take out little oil vapour. So, it might appear phenomena that a little oil stains onthe plug after some time. This aphenomena is not caused by leaking.Because the electric current of the Relay for the lifting motor is very big, and workcontinually hourly, the contact terminal of the relay is easy damaged. Please check it continually.The Magnet valve is a wearing parts. If the forks automatically lower after lifting, themagnet valve may be blocked or damaged, remove and clear it or repalce it. |
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