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Replacing gaskets on stone guard cylinder
Fig. 9
1. Drain oil from cylinder by moving ram carefully backwards and forwards.
2. Extend ram to centre position. Unscrew upper part (pos. 11) from cylinder
3. Remove lock nut (pos. 1) retaining collar shoe (pos. 3).
4. Remove collar shoe (pos. 3) from ram, (pos. 6).
5. Remove upper part (pos. 11) from ram, (pos. 7).
6. Remove gaskets in upper part and collar shoe, (pos. 2+4+7+8+9+10+12).
7. Clean all parts and check for particles etc. Check for rust around scraper
Mounting
1. Fit new gaskets (pos. 2+4+7+8+9+10+12) in upper part and collar shoe.
2. Lubricate thread in upper part (pos. 11) and cylinder tube (pos. 5) with
3. Fit upper part (pos. 11) on ram shaft (pos. 6).
4. Fit collar shoe (pos. 3) and screw on lock nut, secure with Loctite. En-
5. Lubricate outer collar shoe gasket in contact with cylinder tube and inside
6. Fit upper part onto cylinder tube and tighten.
7. For fitting see "Replacing stone guard ".
Side 22
Cylinder 40/20-200
tube (pos. 5). Use special tool to remove upper part. If upper part is stuck,
heat front of sleeve. When upper part is detached from cylinder tube (pos.
5), pull ram up towards upper part and remove completely from cylinder
tube (pos. 6)
ring (pos. 12) in upper part. If detected, remove thoroughly.
grease or oil.
sure that thread is absolutely clean and free of oil or other impurities be-
fore applying Loctite. Do not fill with oil for 12 hours after use of Loc-
tite.
of cylinder tube with oil, push ram into centre position.
FrontGrubber
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