Bedknife Replacement And Grinding - Toro Greensmaster TriFlex 3320/3420 Service Manual

Bedknife Replacement and Grinding

3
1. Screw (13 used)
Bedknife Removal (Fig. 18)
1. Remove bedbar from cutting unit (see Bedbar Re-
moval in this section).
2. Remove screws from bedbar using a socket wrench
and bedknife screw tool (see Special Tools in this chap-
ter). Discard screws. Remove bedknife from the bedbar.
Bedknife Installation (Fig. 18)
1. Use scraper to remove all rust, scale and corrosion
from bedbar surface. Lightly oil bedbar surface before
installing bedknife.
2. Make sure that
(5/16--18UNC--2A) are clean. If necessary, use tap to
clean threads.
DPA Cutting Units
Antiseize Lubricant
200 to 250 in- -lb
(23 to 28 N- -m)
2. Bedbar
screw threads in bedbar
2
1
Figure 18
3. Apply antiseize lubricant to the threads of new
screws. Take care to keep antiseize lubricant from taper
on screw heads.
IMPORTANT: Do not use an impact wrench to tight-
en screws into the bedbar.
4. Use new screws to secure bedknife to bedbar. Install
all screws but do not tighten fully. Then, using a torque
wrench and bedknife screw tool, torque screws from
200 to 250 in- -lb (23 to 28 N- -m). Use a torquing pattern
working from the center toward each end of the bedknife
(Fig. 19).
5. After installing bedknife to bedbar, grind bedknife.
Page 8 - - 18
Lightly Oil
Bedbar Surface
3. Bedknife
Greensmaster 3320/3420
v