TCM FD35C9, Workshop Manual

Page: 270 / 291

3-156
Fig. 3.489
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NATURAL DROP OF HYDRAULIC CYLINDERS AND HOW TO CHECK FOR IT
(1) Lift cylinder
(a) Put a specified amount of load on the forks, raise the forks to the eye level and shut off the engine.
(b) Punch mark the inner mast and outer mast and hold the load for about 10 minutes. Measure for the
natural drop of each lift cylinder.
(2) Tilt cylinder
(a) Put a specified amount of load on the forks, place the mast in an vertical position, raise the forks to the
eye level, and shut off the engine.
(b) Measure the length of the piston rod from the front end of the cylinder cap to the front end of the
connecting clamp lock nut. Hold the load for about 10 minutes and measure for the natural tilt of each
tilt cylinder (the amount of extension).
Note: If any tilt cylinder should have a large natural tilt, there is a danger of the load spilling from the
forks.
This test should be performed in a safe place with the load secured to the forks or carriage.