OPERATION

14. TROUBLESHOOTING GUIDE

Problem

Possible Cause

Remedy

Excessive Vibration

Check Gearbox Bolts

Tighten if loose.

 

Check for loose nuts on

TIghten if loose.

 

blade holder and blades.

 

 

Check for bent output shaft.

Replace shaft if bent.

 

If shaft is bent, oil will

 

 

normally leak from bottom

 

 

seal.

 

 

Check to see if blades are

Free blades so they swing.

 

free swinging.

 

 

Check for even wear on

Weigh Blades. Weight should be within

 

each blade tip. Were both

1 oz. Always replace both blades.

 

blades changed at the same

 

 

time?

 

 

Blade Broken.

Replace blades, in set.

 

Blade Carrier Bent.

Replace carrier.

 

Blade hub not properly

Remove hub, check tapered spline

 

seated on shaft.

clean and replace.

 

New blade or bolts matched

Replace blades or bolts in sets.

 

with worn blade or bolts.

 

 

Drivelines not phased correctly.

Replace driveline.

 

Implement & tractor yokes must

 

 

be in line.

 

Not Cutting Clean

Blades dull.

Sharpen or replace Blades.

 

Carrier RPM too low.

Use correct PTO speed and check for

 

 

correct gearbox ratio.

 

Cutter not level.

See Cutting Height Adjustment.

 

Tractor tires mashing down grass.

Reverse direction of cutting and drive

 

 

with right tractor tire out of cutter

 

 

overlap area. Conditions too wet to cut

 

Ground speed too fast.

Reduce ground speed by shifting to a

 

 

lower gear.

 

Blades locked back.

Free blades.

 

Blades riding up due to blade bolt

Replace blade bolts.

 

wear or loose bolts.

 

 

Cutting height too high.

Lower cut height as much as possible.

Blades Wear Fast

Cutting in sandy or rocky conditions

Increase cutting height.

EC72 03/08

Operation Section 4-41

© 2008 Alamo Group Inc.

OPERATION

Page 127
Image 127
Servis-Rhino EC72 manual Troubleshooting Guide, Problem Possible Cause Remedy