Greensmaster 3250--D
DPA Cutting Units
Page 7 -- 19
Bedknife Grinding
Sincetherecan bevariationsinthe mountingsurfaceof
thebedbar,anewbedknifewillnotbeperfectlyflatafter
it is installed to the bedbar. Because of this, it is neces-
sarytogrinda new bedknife after installing ittothebed-
bar. Follow the existing angle that was ground into the
bedknife and grind only enough to make sure the top
surfaceofthebedknifeistrueandperfectlyflat(Fig.19).
NOTE: When grinding the bedknife, be careful to not
overheatthebedknife.Removesmallamounts ofmate-
rialwitheachpassofthegrinder.Also,cleananddress
grinding stone often during the grinding process.
1. UseToroGeneralServiceTrainingBook,ReelMow-
er Basics (part no. 09168SL) and grinder manufactur-
er’s instructions for bedknife grinding information.
2. After bedknife grinding is complete, install bedbar to
cutting unit (see Bedbar Installation in this section).
Figure 18
12 4683579 10 12
1113
# TOR510880
Figure 19
Relief Angle
Front Angle
Top Face
Front
Face
Remove
Burr
Bedknife Grinding Specifications (see Fig. 19)
Standard bedknife relief angle 3
o
(see Fig. 20)
Fairway bedknife relief angle 3
o
(see Fig. 20)
Extended bedknife relief angle 7
o
(see Fig. 20)
Front Angle (all bedknife types) 13
o
Front Angle Range 13
o
to 17
o
Figure 20
1.708” (43.4 mm)
Standard Bedknife
Fairway Bedknife
1.689” (42.9 mm)
1.876” (47.7 mm)
Extended Bedknife
DPA Cutting
Units
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