Gason NT8000, Руководство оператора и каталог запасных частей

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Maintenance & Service
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Nordon Cylinders use a selection of nuts for securing
the piston, depending on the design and application
of the cylinder. Grade 8 Nuts, cone lock nuts and Ny-
loc nuts are used across the range. NHP Cylinders
over 4.0” diameter will have Threaded Pistons
Grade 8 nuts will have been staked in three places. It
is recommended that the staked regions be drilled
out to enable disassembly without further damage
to the shaft.
Threaded Pistons also have an M8 locking grub screw. Loctite will have been used on the grub screw
and thread. Use heat to break the Loctite. It is recommended that the thread at the bottom of the
grub screw hole be drilled out prior to removing the piston, to prevent binding. Be aware that re-
moval of the cone lock nuts may render the shaft irreparable.
1.
Grip the rod clevis to prevent rotation.
2. Prepare the nut, and or piston for disassembly as noted above.
3. Use the appropriate socket or C-Spanner to remove the nut or threaded piston.
4. Clean and inspect the rod thread for damage.
5. Remove the gland from the rod.
6. Remove the rod seal and wiper from the gland using a scriber and insert into the centre of the
seal to remove it so as not to damage the seal groove. Make note of the seal position and orien-
tation for re-installation.
Re-Sealing and Re-Assembly of the Cylinder
Use only parts from a new seal kit, re-using seals is not recommended. Ensure all components are
clean and free from damage. Take care with seals as any nick or scratch can render seals useless.
1.
Fit the rod seal and wiper to the bore of the gland. Ensure the rod seal is correctly orientated.
With the energizer, or ‘Vee’ facing the rear.
2.
Fit the O-ring and back up to the OD of the gland. The O-ring is positioned closer to the inside
(pressure side) of the cylinder, with the back up towards the outside of the cylinder.
3. Lubricate the seals and slide the assembly onto the rod with a smear of hydraulic oil.
4. Fit new O-ring, seals and wear bands to piston