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DAL-BO MINIMAX Manual page 11

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Assembly is done in reverse order. After assembly, carefully swing the side
sections out and in a couple of times (see under operation) to force out
unwanted air.
Check that the hoses can move sufficiently not to get j ammed, and that the
connections are tight.
Replacing the hydraulic sealings:
REMOVAL:
1. Empty the oil from the ram, compressed air can be used to move the
piston rod back and forth, to press the oil out.
2. Place the piston rod in the middle position. Unscrew the gland (pos. 7) 30 mm out.
If the gland can't be unscrewed, it may be necessary to warm it up to 300
it cool off slowly. With the gland screwed out, pull the piston rod out towards the
gland. Screw the gland all the way off, and the piston rod can now be removed.
3. Reomve the self-locking nut (pos. 1).
4. Remove the sleeve (pos. 2).
5. Pull the gland offthe piston rod (pos. 7).
6. The sealings above the sleeve are now removed, (pos. 3,4,8,9,10,11), use
either a awl or a screwdriver.
7. Clean all the parts. Check for filings and shavings, make sure that their is no
rust in the gland. If this is the case, it must be romoved.
ASSEMBLING:
1. Assembel the new sealings in the gland and sleeve. The scraper ring pos.
11 is mounted with the help of a pipe, that fits around the outside of the lip. The
sleeve (pos. 3) is mounted with a round iron bar or screwdriver
2. The threads on the gland and ram housing should be greesed before assem-
bling, (rust protection).
3. The gland pos. 7 is now mounted over the piston rod.
4. The sleeve pos. 2 is mounted and the self-locking nut pos. 1 is screwed on with
"loctite". Make sure that the threads are clean, no oil or greese.
With use of loctitte, you must not fill the ram with oil the first 12 hours.
5. Oil the sleeve and the top end of the ram housing, and press the pistion rod into
the middel position.
6. Screw the gland down tight
10
°
c. Let

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