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7:15
UGG050-0517
S Series
(D) (E)
(A)
(C)
(B)
S97
S910
S914
(F)
(G)
(J)
(F)
0.25 mm
0.1– 0.25 mm
0.1– 0.25 mm
0.25 mm
(H)
S918
(J)
SER
VICE
7. SERVICE
Remove the fixed knives
and the scrapers
1. Read page 7:12 “General rules, Knives”.
2. Open the hopper. >Page 6:2.
3. Unscrew the fixed knife’s / the scraper’s tightening
screws. Remove the washers and the fixed knife / the
scraper.
4. Repeat point 3 until all fixed knives / scrapers have
been removed.
Note! Fixed knives with IMD technology have
insulator plates installed under the knives. Do not
remove the insulator plates.
Install the fixed knives and
the scrapers
1. Remove the fixed knives and the scrapers.
>Page 7:15.
2. Check the knife sharpness. Grind or replace the fixed
knives / the scrapers as necessary.
>Page 7:17 “Grind the fixed knives”.
3. Check that the knife seat is clean.
4. Install the washers and the fixed knife / the scraper.
Tighten the fixed knife’s / the scraper’s tightening
screws. Tightening torque 85 Nm.
Note! The fixed knives called “Side” must be installed
in the outer ends of the cutter housing. The fixed
knives called “Centre” must be installed in the middle
of the cutter housing. The fixed knives called “Side”
and the fixed knives called “Centre” must not be
mixed up when installing the knives. Refer to figure
(F) and (G).
5. Check the knife clearance. Put a feeler gauge between
the fixed knife / the scraper and the rotating knife. Put
the feeler gauge alternately to the right, to the left and
in the middle. Correct knife clearance is 0.1–0.25 mm.
Refer to figure (H).
6. Repeat point 3–5 until all fixed knives / scrapers have
been installed.
7. Close the hopper. >Page 6:4.
7. SERVICE
Knives
(A) = Fixed knife with IMD technology
(B) = Tightening screw, Fixed knife
(C) = Insulator plate, Fixed knife with IMD technology
(D) = Scraper
(E) = Tightening screw, Scraper
(F) = Fixed knife “Side”
(G) = Fixed knife “Centre”
(H) = Knife clearance
(J) = Rotating knife segment