chapter 7000
page 10
1,2 - 2,0 t A.C.
SERVICE MANUAL
Electric
036-0410-07
Fig. C
1
ST
CHECK
Remove the drain pipe from the cylinder (fig. C)
Lift the cylinder some times to end stroke, so as to discharge any oil
residual.
Put a load on the forks and lift it by at least 200 mm.
After 10 minutes, measure the amount by which the load has lowered.
A drop of a few millimetres is quite normal, as in the distributor there
are always some leakages.
Now, lift the cylinder to its end stroke, if no oil leaks from the drain
pipe coupling, it means that the load lowering is only due to the leakages
on the distributor.
In the presence of leakages, it will be necessary to replace the seal.
Should this be the case, inspect the cylinder liner.
2
nd
CHECK
(To be carried out if the 1
st
inspection has been successful and after
seal replacement).
Remove the drain pipe from the cylinder.
Lift the cylinder some times to end stroke, so that all the possible
remaining oil is discharged.
Put a load on the forks. Lift and lower it for 10 minutes, making sure
that the limit stop is never reached.
Lift the cylinder to end stroke.
If any leakages should be still present, the cylinder is damaged and
then it must be replaced.
CYLINDER CHECKING METHODS
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