Bedknife Replacement and Grinding
Removal
2
1.
2.
Remove bedbar fromframe (see Bedbar Removal).
Removescrewsfrombedbar usingasocketwrench
1
and bedknife screw tool (see Special Tools). Discard
screws. Remove bedknife from the bedbar (Fig. 15).
3.
from bedbar surface before installing bedknife.
Use scraper to remove all rust, scale and corrosion
3
Replacement
Figure 15
3.
1.
screws. Apply clean SAE 30 oil to the screws before
installing.
Make sure bedbar threads are clean. Use new
1.
2.
Screw
Bedbar
Bedknife
IMPORTANT: Do not use an impact wrench to tight-
en screws into the bedbar.
2.
Using a torque wrench and bedknife screw tool,
tighten screws to a torque of 200 to 250 in--lbs. (22 to
Nm). Use a torquing pattern working from the center
toward each end of the bedknife (Fig. 16).
28
3.
Install bedbar to frame (see Bedbar Installation).
Grinding
Since there can be variations in the mounting surface of
the bedbar, a new bedknife will not be perfectly flat after
it is installed. Because of this, it is necessary to backlap
or grind a new bedknife after installing it to the bedbar.
Follow the existing angle that was ground into the bed-
knifeandgrindonlyenoughtomakesurethetopsurface
is true (Fig. 17).
13 11
9
7
5
3
1
2
4
6
8
10 12
Figure 16
Top Face
Remove
Burr
Relief Angle
1.
Removal).
Remove bedbar from the cutting unit (see Bedbar
Front
Face
Note:
bedknife. Remove small amounts of material with each
pass of the grinder.
When grinding, be careful to not overheat the
Front Angle
Figure 17
2.
Refer to Toro General Service Training Book, Reel
Mower Basics (part no. 09168SL) for bedknife grinding
information.
Bedknife Grinding Specifications (see Fig. 17)
Bedknife relief angle
Front Angle
3o
13o
Front Angle Range
13o to 17o
3.
Reinstallbedbartocuttingunit(seeBedbarInstalla-
tion).
Greensmaster 3250--D
Page 7.1 -- 13 Rev. IDual Point Adjust Cutting Units (Rev. D)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Tags | Toro Greensmaster 3250 D |
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| Language | English |
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