8-30 673831-Rev A
CUTTING UNITS
8
9. Install bedknife adjustment gear (7) with embossed
ring on bedknife adjustment gear facing toward
compression spring (4). Be sure bedknife adjustment
gear is positioned against the shoulder of the
bedknife adjustment rod (1).
10. Repeat steps 1 through 9 for other side of cutting
unit.
11. Install bedknife backing assembly. (See Bedknife
Backing Assembly “Installation” on page 8-28.)
12. Adjust bedknife-to-reel clearance. (See
“Bedknife-to-Reel Clearance Adjustment” on
page 8-18.)
13. Install cutting unit to mower. (See “Cutting Unit” on
page 8-22.)
Bedknife
Removal and Installation
See Figure 8-24.
This procedure is intended for use with machines
equipped with standard fastener type bedknives. For
machines equipped with an optional MAGKnife™
bedknife system, adjustments are similar, but the
bedknife is secured to the bedknife backing by a series of
magnets and aligned by dowel pins rather than being
secured by screws.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Remove bedknife backing assembly. (See “Bedknife
Backing Assembly” on page 8-27.)
Figure 8-24
3. Remove eleven screws (2) and bedknife (3) from the
bedknife backing (1).
4. Remove four screws (6), four lockwashers (5) and
two spring detent plates (4).
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 screw in the center and working out to
the ends of the bedknife.
• Grind bedknife after assembling to bedknife backing
as specified in the following table for the specific
bedknife installed:
Required Materials
Anti-Seize Compound
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