Troubleshooting
There are a number of factors that can contribute to un-
satisfactory quality of cut, some of which may be turf
conditions. Turf conditions such as excessive thatch,
“sponginess”, uneven ground conditions, or attempting
to cutofftoo much grass height may notalways be over-
come by adjusting the machine. It is important to re-
member that the lower the height--of--cut, the more
critical these factors are.
Remember that the “effective” or actual height--of--cut
depends on cutting unit weight, counterbalance setting,
and turf conditions. Effectiveheight--of--cutwill bediffer-
ent than the bench set height--of--cut.
Factors That Can Affect Quality of Cut
Factor
Possible Problem/Correction
1.
Maximum governed engine speed.
Check maximum governed engine speed. Adjust
speed to specifications if necessary.
2.
Blade speed.
All deck blades should rotate at the same speed.
See items in Troubleshooting Section of Chapter 4 --
Hydraulic System.
3.
4.
Tire pressure.
Check air pressure of each tire. Adjust to pressures
specified in Cutting Unit Operator’s Manual.
Blade condition.
Sharpen blades if their cutting edges are dull or nicked.
Inspect blade sail for wear or damage. Replace blade if
needed.
5.
6.
Mower housing condition.
Height--of--cut.
Make sure that cutting chambers are in good condition.
Keep underside of deck clean. Debris buildup will
reduce cutting performance.
Make sure all cutting units are set at the same
height--of--cut. Adjust cutting units as specified in the
Cutting Unit Operator’s Manual.
Adjust height--of--cut setting to remove only 1 inch (2.5
cm) or 1/3 of the grass blade when cutting.
7.
Cutting unit alignment and ground following.
Check lift arms and cutting unit pivot linkages for wear,
damage, or binding. Also inspect for bent or damaged
pivot shafts.
8.
9.
Roller condition.
All rollers should rotate freely. Replace bearings if worn
or damaged.
Grass Conditions.
Mow when grass is dry for best cutting results.
Groundsmaster 4500--D/4700--D
Page 8 -- 3
Cutting Units (Rev. B)
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 4500 D, Toro Groundsmaster 4700 D |
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| Document Type | Service Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
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