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MAINTENANCE
SIDE ROTARY Maintenance Section 4-8
© 2011 Alamo Group Inc.
MAINTENANCE
TROUBLESHOOTING (CONTINUED)
b. Remove the four bolts holding the small
block to the main block. Lift and remove
small block being careful not to damage O-
rings/filter.
c. Clean filter and re-install.
d. Remove large nut on side of large valve
block. Remove spring, and use needle
nose vise grip to pull spool from block,
check block and spool for contaminants
and scratches. Clean parts or replace if
scratched.
Motor runs but Belts Inspect belts and pulleys. Replace
will not cut belts and repair as needed.
Tensioner Adjust tensioner nut flat washer
washer is flush with top of guide.
Mower turns slowly Contaminants restricting Remove large nut on side of large
or not at all spool movement in valve block. Remove spring, and use
valve body needle nose vise grip to pull spool
from block. Check block and spool for
contaminants and scratches.
Clean parts or replace if scratched.
Suction lines obstructed Check for kinks or obstruction in
suction hose.
Low oil level Check Hyd. tank level and fill.
Pump will not work Excessive wear on Disassemble and repair.
internal parts
Motor will not work Excessive wear on Disassemble and repair
internal parts
NOTE: If flow meter is available, check pressure and flow volume for all suspected hydraulic problems.
If the solution to your problem cannot be found in this section, call the Technical Service representative at the
number shown on the front cover of this manual.