Factors That Can Affect Cutting Performance - Toro Reelmaster 3100-D Service Manual

Factors That Can Affect Cutting Performance

Factor
Tire pressure
Governed engine speed
Reel speed
Reel bearing condition
Bedknife to reel adjustment
Reel and bedknife sharpness
Note: After grinding the reel and/or bedknife, check
the reel to bedknife contact again after cutting two
(2) fairways. During this initial use, any burrs will
be removed from reel and bedknife which may
create improper reel to bedknife clearance and thus
accelerate wear. This practice of re-checking the
reel to bedknife contact after grinding will extend
the longevity of the sharpness of the edge of the
reel and the bedknife.
Rear roller adjustment
Reelmaster ® 3100-D/3105-D
20252SL Rev A
There are a number of factors that can contribute to unsatisfactory quality of cut,
some of which may be turf conditions. Turf conditions such as excessive thatch,
"sponginess" or attempting to cut off too much grass height may not always be
overcome by adjusting the cutting unit. It is important to remember that the lower
the height-of-cut, the more critical these factors are.
Refer to the Cutting Unit Operator's Manual detailed adjustment procedures.
Refer to Chapter 8: DPA Cutting Units (page 8–1)
information.
Note: For additional information regarding cutting unit troubleshooting, a number
of Reel Mower and Aftercut Appearance General Training Books can be found
on the Service Reference Set available from your Authorized Toro Distributor.
Check tire pressure of all traction unit tires. Adjust tire pressure as
necessary (see the Traction Unit Operator's manual).
For best cutting performance and appearance, engine should be run at
maximum governed speed during machine operation. Check maximum
governed engine speed. Adjust engine to specifications if necessary.
See the Traction Unit Operator's Manual and
4–1)
All cutting reels must rotate at the same speed (within 100 rpm) (see
Mow Circuit Problems (page
All cutting units must have equal bedknife to reel and height-of-cut
adjustments.
Make sure that reel speed selection is correct (see Clip Chart in
Traction Unit Operator's Manual).
Check reel bearings for wear and replace if necessary.
See
Check bedknife to reel contact daily. The bedknife must have light
contact across the entire reel. No contact will dull the cutting edges.
Excessive contact accelerates wear of both edges. Quality of cut is
adversely affected by both conditions (see Bedknife to Reel Adjustment
in the Cutting Unit Operator's Manual).
A reel and/or bedknife that has rounded cutting edges or "rifling"
(grooved or wavy appearance) cannot be corrected by tightening the
bedknife to reel contact. Grind cutting reel to remove taper and/or
rifling. Grind bedknife to sharpen and/or remove rifling.
The most common cause of rifling is bedknife to reel contact that
is too tight.
Dull cutting edges must be corrected by grinding the bedknife and
cutting reel (see
A new bedknife must be ground flat (within 0.002") after
installation to the bedbar. Backlapping may be required to
properly mate the reel and bedknife after installation into the
cutting unit.
Note: On cutting units equipped with optional bedknives, slightly dull
cutting edges may be corrected by backlapping (see Backlapping in
the Service and Repairs section of this chapter).
Adjust the rear roller brackets to correct position depending on the
height-of-cut range and aggressiveness of cut that is desired.
See Rear Roller Adjustment in the Cutting Unit Operator's Manual.
Possible Problem/Correction
in this manual.
3–4)).
Reel Assembly Service (page
Preparing the Reel for Grinding (page
Page 3–9
for cutting unit repair
Chapter 4: Engine (page
8–26).
8–29)).
Troubleshooting: