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Groundsmaster 3505--DPage 7 -- 4Cutting Units
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” or attempting to cut off too much grass
height may not always be overcome by adjusting the
machine. It is important to remember 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 and turf conditions. Ef-
fective height--of--cut w ill be different than the bench s et
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. Tire pressure. Check each tire’s pressure. Adjust to pressures
specified in Traction Unit Operator’s Manual.
4. Blade condition. Sharpen blades if their cutting edges are dull or nicked.
Inspect blade sail for wear or damage. Replace blade if
needed.
5. Mower housing condition. Make sure that cutting chambers are in good condition.
Keep underside of deck clean. Debris buildup will
reduce cutting performance.
6. Height--of--cut. Make sure all cutting units are set at the same
height--of--cut. Set units as specified in the Cutting Unit
Operator’s Manual.
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. Roller condition. All rollers should rotate freely. Replace bearings if worn
or damaged.