OPERATION
Blade Bolts Working Loose | Bolts not tightened. | Tighten Bolts to 300 ft./lbs. |
| Bolt hole elongated or oversized. | Replace Blade Carrier. |
| Locknut worn out. | Replace Locknut. |
Broken Cross or Cups | Load too high for joint. | Use protective device with joint. |
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| Check joint angles and phasing. |
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| Slow down ground speed or raise |
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| Mower. |
End Galling of Cross and Cups | Speed too high. | Reduce speed to 540 RPM. |
| Ears have deformed. | Install thrust washer. |
Needle Rollers Have Brinelled | Load too high for joint. | Check for small joint angles. |
Into Cup and Cross |
| Use Slip Clutch. |
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| Check joint angles and phasing. |
Shaft or Tube Twisted | Replace part and then slow down | |
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| ground speed or raise Mower. |
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| Use protective device. |
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| (See Clutch Maintenance). |
Tube Broken in Welded Seam | Replace part. | |
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| (See Clutch Maintenance). |
Yoke Broken at Ear Tip | Replace part. | |
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| (See Clutch Maintenance). |
Gearbox Noisy | Improper backlash. | Refer to Maintenance Section. |
| Rough gears. | Run in or change Gears. |
| Worn Bearing. | Replace Bearing. |
Slip Clutch Slipping | Excessive load. | Reduce ground speed and/or raise |
Excessively |
| Mower. |
| Springs weak. | Replace Springs. |
| Improper adjustment. | |
| Too much power for Slip Clutch. | Reduce ground speed and material |
|
| intake. |
| Friction Facings worn. | Replace Facings. |
| Oil on Facings. | Replace Facings. |
| Friction Facings glazed. | Clean with emery cloth. |
Oil Blowing out Vent Plug | Flat bottomed Vent Plug or | Replace with proper Vent Plug, |
| shallow cavity Plug. | Cavity in Oil Plug should be |
|
| approximately 5/8” |
| Oil level too high. | Lower oil level to Plug. |
A60B/A72B 02/07 | Operation Section |
©2007 Alamo Group Inc.
OPERATION
