Alamo SL72 - Manual (Page 110)

OPERATION
SL72 03/08 Operation Section 4-28
© 2008 Alamo Group Inc.
OPERA
T
ION
13. TROUBLESHOOTING GUIDE
TROUBLE POSSIBLE CAUSE POSSIBLE REMEDY
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
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. Escessive 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