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Replacing crackerboard depth-adjustment cylinder
7. Extend roller resting on a level
8. Lower board, depressurise hy-
9. Disconnect hoses from cylinders
10. Remove bolts, split pins and pins
11. Fit new or repaired cylinder (A)
12. Remember to replace split pins in
Activate depth-adjustment cylinders up
and down a few times after fitting and
with roller extended, to bleed system.
Replacing gasket set for depth adjustment
Fig. 30
7 Drain oil from cylinder by moving ram carefully backwards and forwards.
8 Extend ram to centre position. Unscrew upper part (pos. 3) from cylinder
9 Remove ram shaft (pos. 2) securing collar shoe (pos. 4).
10 Remove collar shoe (pos. 4) from ram shaft, (pos. 5).
11 Remove upper part (pos. 3) from ram shaft, (pos. 5).
12 Remove gaskets.
13 Clean all parts and check for particles etc. Check for rust around scraper
Page 32
surface
draulic system
(B)
pins
3
Cylinder 25/60/25-205
tube (pos. 1). Use special tool to remove upper part. If upper part is stuck,
heat front of upper part. When upper part is detached from cylinder tube,
pull ram up towards upper part and remove completely from cylinder tube
(pos. 1).
ring on upper part. If detected, remove thoroughly.
Maxiroll 2008
Fig. 29
4
5
B
A
B
1
2
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