noisy pump

Posted by charles on April 15, 2003 at 09:02:46 from (195.12.29.156):

A buzzing noise from the crankshaft mounted pump on my forklift ,only when the oil is cold ,(changed the oil ,was very milky,now slightly cloudy) stops when warm or as soon as I use any lifting services, But the pressure relief valve is not in the pump but part of the valve block,I released it 2 full turns,-I dared not unscrew it further- but no difference. the pump is a spur type pump,I dont think the mesh outlet from tank (if any) is blocked cos it all goes silent when I pull any lever
Local mechanic is bewildered ,said keep revs down till it's hot,good advise but not a cure Any ideas anyone
well done the marines( UK farmer ex soldier)

Follow Ups:

• Re: noisy pump Bob/Ont 17:47:01 04/16/03 (0)
• Re: noisy pump Alton 16:35:09 04/15/03 (2)
  • Re: Re: noisy pump charles 01:14:08 04/17/03 (1)
    • Re: Re: Re: noisy pump Bob/Ont 07:48:32 04/17/03 (0)

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