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Groundsmaster 5900/5910 Cutting DecksPage 8 -- 3
Tr oubleshooting
There are a number of factors that can contribute to un-
satisfactory quality of c ut, some of which may be turf
conditions. Turf conditions such as excessive thatch,
uneven ground conditions, “sponginess” or attempting
to cut off too much grass height may notalways beover-
come by adjusting the machine.
Remember that the “effective” or actual height --of--cut
depends on cuttingunit weight, tirepressures, hydraulic
counterbalance settings and turf conditions. Effective
height--of--cut willbedifferentthanthebench set height--
of--cut.
Factors That Can Affect Quality of Cut
Factor Possible Problem/Correction
1. Maximum governed engine speed. Make sure that throttle control is placed in the fast
position when mowing. Check maximum governed
engine speed (see Chapter 3 -- Diesel Engine).
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 air pressure of all machine tires including
cutting deck castor tires. Adjust to pressures specified
in 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 deck height--of --cut adjustments are the
same. Adjust deck as specified in the Operator’s
Manual.
7. Cutting deck alignment and ground following. Check lift arms and cutting deck pivot pins for wear,
damage or binding.
8. Roller and castor wheel condition. All rollers and caster wheels should rotate freely.
Replace bearings if worn or damaged.
9. Grass conditions. Mow when grass is dry for best cutting results. Also,
remove only 1” (25.4 mm) or 1/3 of the grass blade
when cutting.
Cutting Decks