OPERATION
CY72 01/08
Operation Section 4-41
© 2008 Alamo Group Inc.
OPERA
T
ION
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.
Check joint angles and phasing.
Slow down ground speed or raise
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.
Check joint angles and phasing.
Shaft or Tube Twisted
Over-loaded.
Replace part and then slow down
ground speed or raise Mower.
Use protective device.
(See Clutch Maintenance).
Tube Broken in Welded Seam
Over-loaded.
Replace part.
(See Clutch Maintenance).
Yoke Broken at Ear Tip
Over-loaded.
Replace part.
(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.
Re-adjust Slip Clutch.
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.
Summary of Contents for CY72
Page 7: ...Safety Section 1 1 2008 Alamo Group Inc SAFETY SECTION...
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Page 71: ...Introduction Section 2 1 2008 Alamo Group Inc INTRODUCTION SECTION...
Page 75: ...Assembly Section 3 1 2008 Alamo Group Inc ASSEMBLY SECTION...
Page 83: ...Operation Section 4 1 2008 Alamo Group Inc OPERATION SECTION...
Page 125: ...Maintenance Section 5 1 2008 Alamo Group Inc MAINTENANCE SECTION...
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Page 136: ...CY 72 SOM 01 08 P N 00757419C Printed U S A CY 72 ROTARY CUTTER...