DAL-BO Rollomaximum XL Manual page 28

Activate extend cylinder after fitting until cylinder shows movement. Reverse
cylinder until it returns to start position. Move cylinder backwards and for-
wards several times.
If air is not correctly bled off from the cylinder as described above, there is a
risk that part of the machine can suddenly move much quicker than nor-
mal, before the tractor driver can prevent it. This is because air (unlike oil)
is compressible. A side section can therefore swing out very quickly if air
bleeding is not performed correctly. This represents a major risk of injury to
personnel and of damage to the machine.
Ensure no personnel are within the extension radius of the side sections.
Replacing gaskets
REMOVAL:
1. Drain oil from cylinder, use compressed air to move ram backwards and
2. Extend ram to centre position. Screw upper part (3) 30 mm outwards. If
3. Remove lock nut (10).
4. Remove collar shoe (4).
5. Remove upper part from ram (2).
6. Remove gaskets in upper part and collar shoe, (5+6+7+8+9) using an awl
7. Clean all parts, check for particles etc. Check for
ASSEMBLY:
Page 28
Rollomaximum XL
forwards (if required) to force oil out.
upper part is stuck, heat front of sleeve
to approx. 300 C, and allow to cool.
When upper part has been unscrewed, extend ram towards upper part. Un-
screw and remove upper part, extract ram.
or screwdriver if necessary.
rust around scraper ring (5) on the upper part. If any is
detected, remove thoroughly.