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OPERATION
FX17/FX21 02/11 Operation Section 4-41
© 2011 Alamo Group Inc.
OPERATION
TROUBLE POSSIBLE CAUSE POSSIBLE REMEDY
Knives wear too fast. Cutting in sandy conditions. Increase cutting height.
. Cutting in rocky conditions. Increase cutting height.
Soft “Will Fit” Knives Use genuine Rhino Knives.
Cutting to close to ground. Raise cut height.
Hydraulic Cylinder will not Not enough pressure. Check pressure.
operate. Valve not connected properly. Re-plumb Valve.
Quick Coupler not completely Complete connections.
connected.
Oil squirting from Breather Oil leaking by Piston Ring. Do not carry Cutter on Cylinder.
Vent Hole Small leakage amount is normal.
Piston Seal worn. Replace Piston Seal.
Cylinder wall scored or pitted. Replace Cylinder.
Wrong Piston Ring on Piston. Use correct Piston Rings.
Discharging Bunches or Belt installed improperly. Check belt for correct set-up.
clogging. Blade Dull. Check Blades for sharpness.
Grass too wet. Wait for grass to dry.
Grass too long. Mow at 3-1/2” and recut lower.
Travel speed too fast. Use a lower tractor gear.
PTO RPM too low. Mow at engine RPM to match 540
PTO RPM.
Blade Scalping High Places. Mowing too low. Raise height of cut.
Rough, uneven ground. Lower Rollers.
Use a slower speed.
Turning Tractor too fast. Slow down when turning.
Uneven cut. Travel speed too fast. Use a slower speed
Mower deck not level. Level the mowing deck.
Blades dull or unbalanced. Sharpen or balance blades.
Deck underside plugged. Clean underside of deck.
Grass too high. Mow 3-1/2: and recut lower.