DALBO GREENLINE 300, Руководство пользователя

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GREENLINE
Side 27
Replacing harrow depth-adjustment cylinder
Fig. 13
1. Lower roller to ground
2. Lower harrow, depressurise
hydraulic system.
3. Disconnect hoses from cylin-
der.
4. Remove split pins and pins (B)
5. Fit new or repaired cylinder (A)
6. Remember to replace split pins
in pins
Activate depth-adjustment cylinders up and down a few times after fitting and with
roller lowered, to bleed system.
Replacing gasket set for depth adjustment
Fig. 35
Cylinder 50/30-150
1
Drain oil from cylinder by moving ram carefully backwards and forwards.
2 Extend ram to centre position. Unscrew upper part (pos. 3) from cylinder 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 to-
wards upper part and remove completely from cylinder tube (pos. 1).
3 Remove lock nut (pos. 10) retaining collar shoe (pos. 4).
4 Remove collar shoe (pos. 4) from ram, (pos. 2).
5 Remove upper part (pos. 3) from ram, (pos. 2).
6 Remove gaskets in upper part (pos. 5+6+7+8+9) along with collar shoe.
7 Clean all parts and check for particles etc. Check for rust around scraper ring
(pos. 5) in upper part. If detected, remove thoroughly.
A
B
B