Toro Greensmaster 3250-D 04383, Руководство по обслуживанию

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Greensmaster 3250−D
SPA and 4−Bolt Cutting Units (Rev. A)
Page 7 − 36
Rear Roller Scraper Removal and Installation
1. Flange head nut
2. Hex head screw
3. Bracket
(LH)
4. Height−of−cut adjustment bracket
5. Torsion spring (LH)
6. Scraper
7. Bracket
(RH)
8. Torsion spring (RH)
9. Lock nut
10. Height−of−cut tab
Figure 61
FRONT
RIGHT
7
8
6
5
3
1
9
2
2
9
6
4
4
1
10
Removal
1. Position machine on a clean and level surface, low-
er cutting units, stop engine, engage parking brake, and
remove key from the ignition switch.
2. Remove flange head nut from the hex head screw
securing the bracket (LH) to the height−of−cut (H−O−C)
adjustment bracket.
3. Remove bracket (LH) and torsion spring (LH) from
the scraper and hex head screw. Pull scraper from the
bracket (RH).
4. Remove torsion spring (RH) from bracket (RH).
5. Remove flange head nut from the hex head screw
securing the bracket (RH) to the (H−O−C) adjustment
bracket. Remove bracket (RH) from the hex head screw.
6. If the rear roller scraper is to be permanently re-
moved,
A. Remove remaining flange head nut, lock nut,
and hex head screw from the H−O−C adjustment
bracket and collar.
B. Insert carriage screws (M8−1.25 x 20) through
both H−O−C adjustment brackets and collars to se-
cure the rear roller to the brackets. Secure screws
with lock nuts.
Installation
1. If the rear roller scraper was not previously installed,
remove carriage bolt and nut securing the rear of each
roller collar to roller bracket.
2. Insert a 8mm hex head screw through holes in
height−of−cut tab and H−O−C adjustment bracket and
secure with a locknut (Fig 61).
Note: If screw does not fit through holes in roller collar
and roller bracket, enlarge holes with a 0.328 inch (8.33
mm) diameter drill.
3. Thread flange nut (flange up) onto each hex head
screw.
4. Insert bracket (LH) onto the hex head screw on left
H−O−C adjustment bracket; loosely secure with a
flange head nut.
5. Slide torsion spring (LH) with hook outward onto
bracket (LH) and position hook around bracket (LH).
6. Insert left end of scraper into the hole in the bracket
(LH). Place end of torsion spring (LH) behind scraper.
7. Repeat procedure on right end of scraper while
loosely securing bracket (RH) to hex head screw on the
right H−O−C adjustment bracket.
8. Adjust roller scraper to the roller (see Adjust Rear
Roller Scraper).