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Mast tilt not holding with weight

I have a 1983 Datsun CPF02 5k forklift that I just recently got. I lifted an axle of a trailer last night a noticed that the Mast would slowly tilt forward with the weight on it. The axle weighs about 500lbs. I'm very new to forklifts and just wanted to get an idea of what I should look at first to resolve the problem. Bad seal or valve maybe?

Thx.
  • Posted 4 Nov 2009 01:44
  • By Jeep07
  • joined 4 Nov'09 - 2 messages
  • Tennessee, United States
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Showing items 1 - 3 of 3 results.
Thx.
  • Posted 4 Nov 2009 06:39
  • By Jeep07
  • joined 4 Nov'09 - 2 messages
  • Tennessee, United States
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Reseal both tilt cylinders. And I only say both because hydraulics work like electricity it takes the path of least resistance. Reseal both at one time and minimize future down time.
  • Posted 4 Nov 2009 06:33
  • By bigGlittlestar
  • joined 12 Aug'08 - 139 messages
  • United States
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It is probably a tilt piston packing blown
  • Posted 4 Nov 2009 05:34
  • By Forkliftt
  • joined 13 Jul'09 - 321 messages
  • Louisiana, United States
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