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MAXIROLL
Side 31
Replacing tilting cylinder seals
Fig. 27
1.
Empty the oil from the cylinder by carefully moving the cylinder back and forth.
2.
Move the piston to the middle position. Unscrew the gland (pos. 3) from the cyl-
inder 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 complete-
ly out of the cylinder casing (pos. 1).
3.
Remove the self-locking nut (pos. 10) holding the sleeve (pos. 4).
4.
Pull the sleeve (pos. 4) off the piston rod (pos. 2).
5.
Pull the gland (pos. 3) off the piston rod (pos. 2).
6.
Remove the seals from the gland and the sleeve (pos. 5+6+7+8+9).
7.
Clean all parts thoroughly. Check for filings, shavings, burrs, and make sure that
there is no rust around the scraper ring (pos. 5) in the gland. If rust is found, it
must be removed.
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 (pos.
1) with oil.
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
. Make
sure that the screw threads are completely clean and free from oil or other im-
purities before using Loctite.
Do not refill the oil for the first 12 hours after the
application of Loctite.
5.
Lubricate the outermost seal of the sleeve that has contact with the cylinder
casing and the inside of the cylinder casing, then guide the piston rod into the
middle position of the casing.
6.
Screw the gland onto the casing and tighten.
7.
To mount the cylin
der, (see ”Changing wing fold cylinders”).
Содержание MAXIROLL 530
Страница 1: ...MAXIROLL GB 530 630 760 830 Serial no 100 XXX ...
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Страница 38: ...MAXIROLL Side 38 Hydraulic System Diagram Fig 39 ...
Страница 39: ...MAXIROLL Side 39 Spare Parts ...