OPERATION
OPERATION
20. 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. |
| Check For loose nuts on |
| bladeholder and blades |
| Check for bent output shaft. |
| If shaft is bent oil will normally |
| leak from the bottom seal. |
| Check to see if blades are |
| free swinging. |
| Check for even wear on each |
| blade tip. Were both blades |
| changed at the same time? |
Tighten if loose.
Tighten If loose
Replace shaft if bent.
Free blades so they swing
Weigh blades. Weight should be within 1 oz. Always replace both blades.
RMB 1660 11/10 | Operation Section |
© 2010 Alamo Group Inc.
