Toyota 7FBCU18:
Intermittent Slowdown When Lowering The Mast

The forklift sometimes takes for ever to lower the forks.
All other functions on the forklift work great.
The Mast is a Toyota 3-Stage FSV 189" W/Sideshift
We checked the all the mast bearings & found them to be ok along with the shimming of the rollers & again all is ok.
Goes up good everytime, goes down slowly even when weight is on the forks. The primary Freelift cylinder was just overhauled.
Truck is a 48V Electric powered ride-on. Thanks, Paul
  • Posted 18 Feb 2012 01:02
  • Discussion started by Ogie
  • Ontario, Canada
Ogie's LIft Truck Ltd.
Thanks All Our Customers & Suppliers.
Showing items 1 - 2 of 2 results.
There is meant to be a special tool for removing / fitting one type of the hose rupture valves, we tried to get hold of it the other year for a safety campaign on a BT but no such luck.

The valve had 6 holes on the face, stuck 2 x 4mm allen keys in opposite holes on the valve face then used a adjustable spanner on the allen keys to unscrew the valve.

The other type of valve was a normal internal allen key / hex fitting.
  • Posted 20 Feb 2012 00:59
  • Reply by Forkingabout
  • england, United Kingdom
In the bottom of the cylinder, behind the fitting the hose goes to, is a piston and spring "fuse". Check to see if debris is stuck in there or a spring problem.
  • Posted 18 Feb 2012 07:29
  • Reply by mrfixit
  • New York, United States

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