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Machinery Forum Fork lift hydraulic problem [ Expand ] [ View Follow Ups ] [ Post Followup ] [ Return to Forum ] Posted by Tony Serviente on September 18, 2004 at 19:14:15 from (24.58.3.102): My 1960 Baker forklift has a vexing problem. If she is lowering a load, it will randomnly drop it a good 6" to a foot. The boom angle also does this. Under no load it works smoothly. Can't find any obvious mechanical problems in the mast. Since it does this for both the lift and the mast angle I am assuming it has to be something confined only to the valves in the control levers, and not the pump. It only does this when pressure is being relieved, not on the lift cycle. Any ideas? In hydraulic systems is there typically a return valve in common to all the seperate takeoffs? My best guess was that if there was, that might be causing this symptom. Thanks! Follow Ups: Re: Fork lift hydraulic problem T weir 17:20:50 10/01/04 (1) Re: Re: Fork lift hydraulic problem Tony Serviente 18:14:32 10/02/04 (0) Re: Fork lift hydraulic problem Bob 09:06:22 09/19/04 (1) Re: Re: Fork lift hydraulic problem Tony Serviente 19:49:45 09/22/04 (0) Post A Followup Name: E-Mail: Subject: Re: Fork lift hydraulic problem Comments: Optional Link URL: Link Title: Optional Image URL: Email Notification: If you check this box, email will be sent to you whenever someone replies to this message. Your email address must be entered above to receive notification. This notification will be cancelled automatically after 2 weeks.