Alamo SM72 Benutzerhandbuch

SM72   02/10

Operation Section 4-31

© 2010 Alamo Group Inc.

Excessive Vibration

1. Check gearbox bolts.

Tighten if loose.

2. Check to see if blades are

Free Blades so they

free swinging.

swing.

3. Check for even wear on each

Weigh Blades.

blade tip.  Were both blades

Weight should be within 1 o

changed at the same time?

within 1 oz.
Always replace
both blades.

4. Blade broken.

Replace blades, in set.

5. Blade carrier bent.

Replace carrier.

6. Blade hub not properly

Remove hub, check 

seated on shaft.

tapered shaft, clean and replace.

7. New blade or bolts matched

Replace blades or bolts

with worn blade or bolts.

in sets.

Not Cutting Clean

1. Blades dull.

Sharpen or replace blades.

2. Carrier RPM too low.

Hydraulic flow of mower motor 
power unit output are not compatible.

See operation section of mower and
skid steer for hydraulic specifications

3. Ground speed too fast.

Reduce ground speed 
shifting to a lower gear.

4. Blades locked back.  

Free blades.

5. Blades riding up due to  

Replace blade bolts.

blade bolt wear or loose bolts.

Gear Box Overheating

1. Low on lubricant.

Fill to level plug.

2. Improper type lubricant.

Replace with proper lubricant.

3. Excessive trash build-up

Remove trash.
around the gear box.

4. Bearing or gears set up

Consult your Dealer.
improperly.

Gear Box Noisy

1. Rough Gears.

Consult your dealer.

2. Worn Bearing. 

Replace bearing