Valve not connected properly. re-plumb valve, Connected, Normal) – Rhino Mounts NITRO FN20 User Manual
Page 139: Check for correct gear box ratio, Area. minimum 60" inside tires, Bolt wear, Blades will pick up grass, Operation, Opera t ion
OPERATION
FN20/FN14 NITRO 02/10
Operation Section 4-49
© 2010 Alamo Group Inc.
OPERA
T
ION
Oil on facings.
Replace facings.
Friction facings glazed.
Clean with emery cloth.
Blade Wears Too Fast
Cutting in sandy conditions.
Increase cutting height.
Cutting in rocky conditions.
Increase cutting height.
Soft "will fit" blades.
Use genuine Rhino HT blades.
Hydraulic Cylinder Will Not Op. Not enough pressure.
Check pressure.
Valve not connected properly.
Re-plumb valve.
Quick coupler not completely Complete
connection.
connected.
Oil Squirting from Breather Vent Oil leaking by piston ring.
Do not carry cutter on cylinder.
hole
(A small amount of leakage is
(Use stroke collars)
normal)
Piston "O" ring worn
Replace piston "O" ring.
Cylinder wall scored or pitted.
Replace cylinder.
Wrong piston ring on piston.
Use correct piston rings.
Not Cutting Clean
Blades dull.
Sharpen or replace blades.
Blade rotation incorrect.
Use correct blade for carrier rotation.
Carrier RPM too low.
Use correct PTO speed and
check for correct gear box ratio.
Cutter not level.
Adjust machine.
Tires mashing down grass.
Move tires out of cutter overlap
area. Minimum 60" inside tires.
Ground speed too fast.
Reduce ground speed.
Blades locked back.
Free blades.
Blades riding up due to blade
Replace blade bolts.
bolt wear.
Streaking Conditions In Swath
Conditions too wet for cutting.
Allow grass to dry before cutting.
Blades unable to cut that part of
Slow ground speed of tractor but keep
grass pressed down by path of
engine running at full PTO rpm. Move
tractor tires.
rear tires as wide as possible so wing
blades will pick up grass.
Dull Blades.
Sharpen or replace blades.
Height of cutter lower at rear
See Cutting Height Instructions.
or front.