Toro Greensmaster 3250-D 04383, Руководство по обслуживанию, Страница: 222 / 308

Greensmaster 3250−D
SPA and 4−Bolt Cutting Units (Rev. A)
Page 7 − 22
Rear Roller and Height−of−Cut Adjuster Removal and Installation
Note: Figure 42 shows the Rollers and Bedbar
Assembly for a Single Point Adjust (SPA) cutting units.
Both the SPA and 4−Bolt cutting units a similar in
construction. Roller and Height−of−Cut (H−O−C) Ad-
juster replacement procedures are the same for each
unit.
Removal (Fig. 42)
1. Position machine on a clean and level surface, low-
er cutting units, stop engine, engage parking brake, and
remove key from the ignition switch.
2. To remove the cutting unit, remove reel motor from
the cutting unit and the cutting unit from the lift arm (see
Cutting Unit Removal and Installation). Place cutting
unit on a level working surface.
3. Remove rear roller as follows:
A. Remove cap screw (19) and lock nut (11) from
both H−O−C adjustment brackets (21).
B. Remove height−of−cut tab (20) from both H−
O−C adjustment brackets.
C. Tilt back of the cutting unit up, and remove rear
roller (22) from both H−O−C adjustment brackets.
4. If the height−of−cut adjusters (35) or H−O−C adjust-
ment brackets (21) need removing, remove them as fol-
lows:
A. Remove lock nut (33), flat washer (32), and car-
riage screw (41) from the H−O−C adjustment brack-
et and frame.
B. Unscrew H−O−C adjuster from the top block of
the H−O−C adjustment bracket.
C. Unscrew locking nut (34) from the H−O−C ad-
juster. Slide adjuster from the frame tab.
Installation (Fig. 42)
1. Place cutting unit on a level working surface.
2. If the H−O−C adjusters (35) or H−O−C adjustment
brackets (21) were removed, reinstall brackets as fol-
lows:
A. Apply Loctite 242 or equivalent to the threads of
the H−O−C adjusters about 1/4 inch (6 mm) below
the hex.
B. Place H−O−C adjuster through the holes of the
frame tabs. Screw locking nut onto the adjuster, and
run to the bottom of the frame tab. Make sure adjust-
er is free to rotate with no end play.
C. Position H−O−C adjustment bracket on the in-
side of the frame. Screw H−O−C adjuster into the
H−O−C adjustment bracket until the top of the
bracket is 0.68 inch (18 mm) from the bottom of the
frame tab.
D. Insert carriage screws (41) through the H−O−C
adjustment bracket and frame. Secure bracket and
screw with flat washer (32) and lock nut (32).
3. Reinstall rear roller as follows:
A. Tilt back of the cutting unit up, and position rear
roller shaft (57) under each H−O−C adjustment
bracket (21). Lower unit and brackets onto the roller
shafts.
B. Attach height−of−cut tab (20) to both H−O−C ad-
justment brackets so the tab is below the roller shaft.
C. Make sure roller is centered on the cutting unit.
Secure height−of−cut tab to the H−O−C adjustment
bracket with cap screw (19) and lock nut (11).
4. If the H−O−C adjustment brackets (21) were re-
moved, verify height−of−cut (see Adjust Height−of−
Cut).
5. Reinstall reel motor to the cutting unit and the cut-
ting unit to lift arm (see Cutting Unit Removal and Instal-
lation).