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9' fisher moves S L O W

Discussion in 'Truck & Equipment Repair' started by amarino, Jan 9, 2006.

  1. amarino

    amarino Junior Member
    Messages: 19

    Just bought a 87 F350 with a 9' fisher plow. The plow moved very slow (little faster when I reved the motor), and also there was a crack in the outlet side of the plow pump resivour. I figured the slow moving plow was due to the crack/leak in the resivour, so I replaced the pump with one from my local junkyard. Although slightly better, the new pump still moves the plow slow. I have 7.5' western electric/hydrolic which is VERY fast. Any sugestions?

  2. grandview

    grandview PlowSite Fanatic
    Messages: 14,609

    If its a hydo plow make sure the belt is tight.
  3. Rappa

    Rappa Member
    Messages: 84

    loose belt
    clogged filter
    bad valve/solenoid causing blow-by
  4. TLS

    TLS PlowSite.com Addict
    Messages: 1,425

    Those older Fishers were notoriously slow.

    People don't know how slow SLOW really is until they have something faster.
  5. torquedaddy

    torquedaddy Junior Member
    Messages: 8

    Check the diameter of your pump pully and your drive pully. Your pully on your pump should be smaller in diameter than your drive pully.