Hydraulic Cylinders - Check - New Holland B95CTC Operator's Manual

Hydraulic cylinders - check

The hydraulic cylinders must not show any kind of leaks.
The cylinder rods must have a slightly oily aspect in order
to guarantee a long life and a good operation.
CYLINDER TIGHTNESS
A tightness check must be performed after a certain work-
ing period and when the hydraulic system is at normal op-
erating temperature.
Check by performing the following operations:
- clean the rod and the bearing of the cylinder to be in-
spected;
- work normally for 5 to 10 minutes;
- extend the cylinder rod;
- check for leaks.
CYLINDER ROD ASPECT
ROD APPEARANCE
Dry
Slightly oily
Oily
Very oily or weeping
Leak
7 - MAINTENANCE
TEST
Slight traces of oil when a sheet of paper is
rubbed on 200 mm (7.87 in) of the rod.
The paper sheet remains stuck when rubbed
on the rod.
A sheet of paper placed on the rod remains
stuck.
A ring of oil is clearly visible on the rod after
each rod extension.
Oil drips from the bearing each time the
cylinder rod is retracted.
7 - 68
CONCLUSION
Normal
Normal
Normal
Consult your Dealer