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OPERATION
1900 07/10 Operation Section 4-43
© 2010 Alamo Group Inc.
OPERATION
21. TROUBLESHOOTING GUIDE
TROUBLE POSSIBLE CAUSE POSSIBLE REMEDY
Hydraulic Cylinder Hydraulic level low. Check hydraulic fluid level.
Not Working (See sight gauge on tank)
Pump not functioning Attempt to use another cylinder or
properly. pressure gauge.
Cylinder not functioning Check line for stoppage.
properly.
Cylinder has a scored wall, Replace the cylinder.
allow oil to flow around
piston.
Hydraulic Motor Kinks or pinched points Check line for kinks or
Not Working on the line. pinched places.
Motor “bogging down” Recheck relief valve setting
under load. on the cutter valve - 2500 PSI.
Hydraulic System Failure Malfunction in hydraulic Check entire system before valve is
valve section. replaced; may require replacement
of hydraulic valve section, but not of
the valve bank. Service relief valves
and detents individually.
Structural Members Rough treatment. Use only on elements it is designed
Failure to cut such as grass, weeds, brush,
trees.
Excessive Vibrations Check Gear box bolts. Tighten if loose.
Check For loose nuts on Tighten If loose
bladeholder and blades
Check for bent output shaft. Replace shaft if bent.
If shaft is bent oil will normally
leak from the bottom seal.
Check to see if blades are Free blades so they swing
free swinging.
Check for even wear on each Weigh blades. Weight should be
blade tip. Were both blades within 1 oz. Always replace
changed at the same time? both blades.