Forklift won't lift or lower mast - Technical Troubleshooting discussion in Forkliftaction's forums

Komatsu FG18SHTU-20:
Forklift won't lift or lower mast

Gm everybody I have a komatsu fg18shtu-20
Which the yellow and dark gray forklift stay rise trying to lower mast I know it have 3 mast lock out under the hydraulic Control trying to find out why mast won't lift or lower any help I appreciate

Posted 15 Jun 2021 01:03
Discussion started by Steven_Orellana
New Jersey, United States

Steve

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Sorry to get back you so late but I found the problem it was the check Valve thats in from mast where the hydraulic hose is connected to a block

Posted 7 Aug 2021 04:50
Reply by Steven_Orellana
New Jersey, United States

Steve

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Try to jumper power to the lift/lower hydraulic lock solenoid. If it still does not allow lift or lower then it's bad. I have had them go bad on several trucks.

Posted 28 Jul 2021 14:06
Reply by 1CrownTech
Washington, United States

1crowntechnician@gmail.com

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