Preparing a Reel for Grinding
Note:
Check to make sure the reel bearings are in
4. After completing the grinding process:
good condition before grinding a reel.
A. Install parts removed to mount cutting unit into
grinder.
1.
Remove bedbar assembly (see Bedbar Removal
and Installation).
B. Install bedbar assembly (see Bedbar Removal
and Installation).
2.
Remove parts as necessary to mount cutting unit
into grinder (e.g., front roller, front roller brackets).
C. Complete cutting unit set--up and adjustment se-
quence (see Adjustments section).
Note:
The cutting unit must be aligned so the grinding
wheel will travel parallel to the reel shaft. This will result
in the the reel being ground to the desired cylinder
shape.
Reel Grinding Specifications
Nominal Reel Diameter
Service Limit Reel Diameter
Blade Relief Angle
Relief Angle Range
Blade Land Width
5 in (126 mm)
4.5 in (114 mm)
Note:
When grinding, be careful to not overheat the
30o
reel blades. Remove small amounts of material with
each pass of the grinder.
20o to 40o
0.040
in (1.0 mm)
0.030 to 0.060 in (0.7 to 1.5 mm)
0.040 in (1.0 mm)
3.
Mower Basics (part no. 09168SL) for additional reel
grinding information.
Refer to Toro General Service Training Book, Reel
Land Width Range
Max. Reel Taper
BLADE RELIEF ANGLE
REEL DIAMETER
BLADE
LAND
WIDTH
D1
D2
REEL DIAMETER TAPER = D1 -- D2
Figure 44
SPA and 4--Bolt Cutting Units (Rev. A)
Page 7 -- 32 Rev. I
Greensmaster 3250--D
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