CUTTING UNITS
4252490-Rev A 8-33
8
7. Remove bedknife backing assembly (4).
Installation Notes
• Install bedknife backing assembly by reversing the
order of removal.
• Apply anti-seize compound to the threads of the
bedknife backing mounting screws before installing.
Tighten bedknife backing mounting screws to 25–37
ft-lb (33.9–50.2 N·m).
• Adjust bedknife-to-reel clearance. (See
“Bedknife-to-Reel Clearance Adjustment” on
page 8-17.)
Bedknife
Removal and Installation
See Figure 8-35.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Remove bedknife backing assembly. (See “Bedknife
Backing Assembly” on page 8-32.)
Figure 8-35
3. Remove screws (2) and bedknife (3) from bedknife
backing (1).
Installation Notes
• Install bedknife by reversing the order of removal.
• Apply anti-seize compound to screws (2).
• Tighten screws (2) to 90–120 lb-in. (10.2–13.6 N·m),
starting with screws in the center and working out to
the ends of the bedknife.
• Grind bedknife after assembling to bedknife backing
to achieve a 0.040 in. (1.0 mm) bedknife front face
height, a 5° bedknife front face angle, and an 8–10°
bedknife top face angle (rear relief).
• Adjust bedknife-to-reel clearance. (See
“Bedknife-to-Reel Clearance Adjustment” on
page 8-17.)
Required Materials
Anti-Seize Compound
Required Materials
Anti-Seize Compound
TN2635
1
2
3