Bedknife Replacement And Grinding - Toro Reelmaster 3100-D Service Manual

Bedknife Replacement and Grinding

Bedknife Removal
1. Remove bedbar from cutting unit (see Bedbar Re-
moval in this chapter).
NOTE: 27" cutting units use 10 screws to secure bed-
knife to bedbar. 32" cutting units use 12 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. 29).
3. See bedknife grinding information on the following
pages.
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
(5/16−18UNC−2A) are clean.
IMPORTANT: Do not use an impact wrench to tight-
en screws into the bedbar.
3. Use new screws to secure bedknife to bedbar. Apply
antiseize lubricant to the threads of new screws. Do not
apply antiseize lubricant to the taper of the screw heads.
4. Install all screws but do not tighten.
5. Using a torque wrench and bedknife screw tool,
tighten the 2 outer screws to 10 in−lb (1 N−m).
6. Working from the center of the bedknife toward each
end (Fig. 30), tighten screws from 200 to 250 in−lb (23
to 28 N−m).
7. After installing bedknife to bedbar, grind bedknife.
SPA Cutting Units
screw threads in bedbar
27" Cutting Unit Shown
3
Antiseize
Lubricant
200 to 250 in−lb
(23 to 28 N−m)
1. Screw (10 or 12 used)
2. Bedbar
1
11 9
2nd − 200 to 250 in−lb (23 to 28 N−m)
Page 7 − 20
1
Bedbar Surface
Figure 29
3. Bedknife
# TOR510880
1st − 10 in−lb (1 N−m)
7 5 3 4 6 8
Figure 30
Reelmaster 3100−D
2
Lightly Oil
2
10 12