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Maintenance
Note:
Determine the left and right sides of the
machine from the normal operating position.
Supporting the Cutting Unit
Whenever you need to tip the cutting unit to expose
the bedknife/reel, prop up the rear of the cutting
unit to ensure that the nuts on the back end of the
bedbar-adjusting bolts are not resting on the work
surface
(Figure
17).
Figure 17
1. Prop (not provided)
Relief-Grinding the Reel
The new reel has a land width of 0.76 to 1.27 mm
(0.030 to 0.050 inch) and a 30° relief grind.
When the land width gets larger than 3 mm (0.120
inch) wide, do the following:
1.
Apply a 30° relief grind on all reel blades until
the land width is 0.76 to 1.27 mm (0.030 to 0.050
inch) wide
(Figure
2. Bedbar-adjusting-screw
nut (2)
18).
1. 30°
g016511
2.
Spin grind the reel to achieve <0.025 mm (0.001
inch) reel run-out.
Note:
This causes the land width to grow
slightly.
Note:
To extend the longevity of the sharpness of the
edge of the reel and the bedknife—after grinding the
reel and/or the bedknife—check the reel to bedknife
contact again after cutting 6 greens, as any burrs
will be removed, which may create improper reel to
bedknife clearance and thus accelerate wear.
Servicing the Bedbar
Only a properly trained mechanic should service
the bedbar and bedknife to prevent damage to the
reel, bedbar, or bedknife. Ideally, take the cutting
unit to your authorized the manufacturer distributor
for service. Refer to the Service Manual for your
traction unit for complete instructions, special tools,
and diagrams for servicing the bedknife. Should
you ever need to remove or assemble the bedbar
yourself, instructions are provided below, as are the
specifications for servicing the bedknife.
Important:
Always follow the bedknife
procedures detailed in your Service Manual when
servicing the bedknife. Failure to install and grind
the bed knife correctly can lead to damage to the
reel, bedbar, or bedknife.
13
Figure 18
2. 1.3 mm (0.050 inch)
g278332
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