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3. Move the piston to the middle position. Unscrew the gland (pos. 3) from
4. Remove the self-locking nut (pos. 4) holding the sleeve.
5. Pull the sleeve (pos. 4) off the piston rod.
6. Pull the gland (pos. 3) off the piston rod.
7. Remove the seals from the gland and the sleeve (pos. 5+6+7+8+9).
8. Clean all parts thoroughly. Check for filings, shavings, burrs, and make
Assembly
1. Assemble the new seals (pos. 5+6+7+8+9) into the gland and the sleeve.
2. Lubricate the screw threads on the gland (pos. 3) and the cylinder casing
3. Mount the gland (pos. 3) onto the piston rod.
4. Mount the sleeve (pos. 4) and screw on the self-locking nut with Loctite.
5. Lubricate the outermost seal of the sleeve that has contact with the cylin-
6. Screw the gland onto the casing and tighten.
7. Mount the cylinder (see "Changing wing fold cylinders").
Replacing shaft, bearings and T-rings
MaxiDisc
the cylinder casing (pos. 1). (A special tool is needed to remove the
gland). If the gland is stuck, it may help to warm up the very front of the
socket. When the gland has been unscrewed, pull the piston towards the
gland. Pull the piston rod completely out of the cylinder casing.
sure that there is no rust around the scraper ring (pos. 5) in the gland. If
rust is found, it must be removed.
Make sure the seals are facing in the correct direction.
with oil.
Make sure that the screw threads are completely clean and free from oil or
other impurities before using Loctite. Do not refill the oil for the first 12
hours after the application of Loctite.
der casing and the inside of the cylinder casing, then guide the piston rod
into the middle position of the casing.
• Lower the MaxiDisc to the ground. Securely support and block the
roller if necessary.
• Watch out for unintentional rolling movement when the bolts in the
bearings have been removed.
1 Remove the bolts in the
bearings.
2 Roll the shaft with the T-
rings away from the frame.
3 Loosen the set screws in the
bearings and slide the bear-
ings off the shaft.
4 Pull the T-rings and the
square tube of the shaft.
Mount in reverse order.
Fig. 17
Side 25
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