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MAINTENANCE
Maintenance Section 5-8LJ60/72 02-02
© 2004 Alamo Group Inc.
MAINTENANCE
SEASONAL CLUTCH MAINTENANCE
It is important that the clutches slip when an obstacle or load heavier than the clutch setting is encountered.
Therefore, if the machine sits outside longer than 30 days and is exposed to rain and/or humid air it is important to
make sure that the clutch lining plates are not rusted/coroded together. Before using the cutter use the following
procedure to make sure the clutch will slip and give the overload protection required.
1. Loosen nuts (Figure 13) on springs until the springs are free, yet remain secure on bolts.
2. Attach cutter to tractor and start the tractor. Set the engine speed at 1200 RPM.
3. Mark outer plates as shown in Figure 13.
4. Engage the PTO (approximately one second) and then quickly disengage it. The friction lining plates should
break loose (check the mark).
5. Turn tractor off. (1) Tighten the nuts on the coil spring clutch to their original position of 1-1/2" for 540 RPM and
1-9/16" for 1000 RPM compressed spring length. (2) (Top of washer to pressure plate)
NOTE: This length includes
flatwasher between
nut and spring.
Mark all plates
to determine
rotation during
seasonal clutch
procedure.
FIGURE 13. Slip Clutch Maintenance
1-7/16"
1-1/2"
540 RPM
1-9/16"
540 RPM