Alamo 00759354C User Manual

A60B/A72B   02/07

Operation Section 4-40

©2007 Alamo Group Inc. 

Not Cutting Clean

Blades dull.

Sharpen or replace Blades.

blade rotation incorrect.

Use correct Blade for Carrier.

Use Fan Blades in grass.

Carrier RPM too low.

Increase PTO speed.

Mower not leveled. 

Adjust machine level (in very heavy

weeds, 1/2” to 1” low in front).

Tires mashing down grass.

Use offset Adapter to move Mower to

the left.

Ground speed too fast.

Reduce ground speed.

Blades locked back.

Free blades.

Blades riding up due to Blade.

Replace Blade Bolts.

Bolt wear.
Blades bent up.

Replace Blades.

Breaking Blade Bolts

Operating with loose Blade Bolts.

Tighten Blade Bolts to 300 ft./lbs.

(Right Hand Threads).

Worn Blade Bolt.

Replace Bolt.

Cutting Too High

Blades bent up.

Replace Blades.

Blade Carrier bent.

Straighten or replace Blade Carrier.

Blades on upside down.

Turn Blades right side up and tighten.

Mower Vibrates

Blade locked back.

Loosen locked Blade.

Drivelines not phased.

Replace Driveline.

Blade broken.

Replace Blades in sets.

Blade Carrier bent.

Repair or replace Carrier.

Blade Hub not properly seated

Remove Hub, check Key and Shaft,

on Shaft.

and replace or seat properly.

New Blade matched with worn Blade. Replace Blades in sets.
Output Shaft Bent.

Replace Output Shaft.

Mower Windrowing

Cutting heavy material.

Raise Mower and reduce ground

speed.

Blades Wear Fast

Cutting in sandy or rocky conditions

Increase cutting height.

Blades too soft.

Replace Blades with hardened,

high- quality, Rhino Blades from the 
manufacturer.