Toro Reelmaster 3550-D, Предварительное руководство по обслуживанию

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Reelmaster 3550--D
DPA Cutting Units Page 7 -- 18
Bedknife Replacement and Grinding
1. Screw 2. Bedbar 3. Bedknife
Figure 22
v
Antiseize
Lubricant
250 to 300 in--lb
(29 to 33 N--m)
Lightly Oil
Bedbar Surface
1
2
3
18” Cutting Unit Components Shown
Bedknife Removal
1. Remove bedbar from cutting unit (see Cutting Unit
Operator’s Manual).
NOTE: 18” cutting units use 6 screws to secure bed-
knife to bedbar. 22” cutting units use 8 screws to secure
bedknife to bedbar.
2. Remove screws from bedbar using a socket wrench
and bedknife screw tool (see Special Tools in this
chapter). Discard screws. Remove bedknife from the
bedbar (Fig. 22).
Bedknife Installation
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. Apply antiseize lubricant
to the threads of new screws. Take care to keep anti-
seize lubricant from taper on screw heads.
IMPORTANT: Do not use an impact wrench to tight-
en screws into the bedbar.
3. 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
250 to 300 in--lb (29 to 33 N--m) . Use a torquing pattern
working from the center toward each end of the bedknife
(Fig. 23).
4. After installing bedknife to bedbar, grind bedknife.