Alamo PA92 Benutzerhandbuch

PA92   04/09

Operation Section 4-50

© 2009 Alamo Group Inc.

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.