Greensmaster 3250--D
DPA Cutting Units
Page 7 -- 18
Bedknife Replacement and Grinding
1. Screw (13 used) 2. Bedbar 3. Bedknife
Figure 17
200 to 250 in--lb
(23to28N--m)
Lightly Oil
Bedbar Surface
2
Antiseize Lubricant
1
3
Bedknife Removal (Fig. 17)
1. Remove bedbar from cutting unit (see Bedbar Re-
moval in this section).
2. Remove screws frombedbarusing a socket wrench
andbedknifescrewtool (see Special Toolsin this chap-
ter).Discardscrews.Removebedknifefromthebedbar.
Bedknife Installation (Fig. 17)
1. Use scraper to remove all rust, scale and corrosion
from bedbar surface. Lightly oil bedbar surface before
installing bedknife.
2. Make sure that screw threads in bedbar
(5/16--18UNC--2A) are clean. If necessary, use tap to
clean threads.
3. Apply antiseize lubricant to the threads of new
screws.Takecaretokeepantiseizelubricantfromtaper
on screw heads.
IMPORTANT: Do not use an impact wrench to tight-
en screws into the bedbar.
4. Usenewscrewstosecurebedknifetobedbar.Install
all screws but do not tighten fully. Then, using a torque
wrench and bedknife screw tool, torque screws from
200to250in--lb(23to28 N--m) .U seatorquingpattern
workingfromthecentertowardeachendofthebedknife
(Fig. 18).
5. After installing bedknife to bedbar, grind bedknife.
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