SECTION 5 - HYDRAULICS
5-26
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Cylinder Assembling
Pay attention to not damage the sensor
NOTICE
WHEN SLIDING THE ROD AND PISTON ASSEMBLY OUT OF THE TUBE,
PREVENT THE THREADED END OF THE TUBE FROM DAMAGING THE
PISTON. KEEP THE ROD CENTERED WITHIN THE
TUBE TO HELP PRE-
VENT BINDING.
1.
Screw the head into the cylinder barrel and
tighten with a spanner wrench. Refer to “Hydrau-
lic Cylinder Torque Specifications,” for tightening
guidelines for the head.
2.
Thread the counterbalance valve into the block
on the cylinder barrel.
Refer to Section 3.2 “Hydraulic Cylinder Torque
Specifications”.
NOTE:
The following are general procedures that apply to
all of the cylinders without sensor. Procedures that
apply to a specific cylinder will be so noted
Cylinder Repair Without Sensor
Rod Removal
General Cylinder Disassembly
1.
Clean the cylinder with a suitable cleaner before
disassembly. Remove all dirt, debris and grease
from the cylinder.
2.
Clamp the barrel end of the cylinder in a soft-
jawed vise or other acceptable holding equip-
ment if possible.
NOTICE
AVOID USING EXCESSIVE FORCE WHEN CLAMPING THE CYLINDER IN A
VISE. APPLY ONLY ENOUGH FORCE TO HOLD THE CYLINDER SECURELY.
EXCESSIVE FORCE CAN DAMAGE THE
CYLINDER TUBE.
3.
Remove the counterbalance valve from the side
of the cylinder barrel.
NOTICE
DO NOT TAMPER WITH OR ATTEMPT TO ADJUST THE COUNTERBAL-
ANCE VALVE CARTRIDGE. IF ADJUSTMENT IS NECESSARY, REPLACE
THE COUNTERBALANCE VALVE WITH A
NEW PART.
NOTE:
Cylinder can have residual pressure inside.
4.
When the cylinder has been emptied pull out
the rod ~ 15mm and loosen the head until ~
15mm.
NOTICE
WHEN SLIDING THE ROD AND PISTON ASSEMBLY OUT OF THE TUBE,
PREVENT THE THREADED END OF THE TUBE FROM DAMAGING THE
PISTON. KEEP THE ROD CENTERED WITHIN THE
TUBE TO HELP PRE-
VENT BINDING.
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