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Part No 350324 Form No F021108D
13
PR & OS Owner’s Manual
MAINTENANCE
P
ERIODIC MAINTENANCE
Periodic maintenance should be performed at the following intervals:
Maintenance Operation Every Use (daily) Every 25 Hours
Inspect for loose, worn or damaged parts.
z
Check engine oil
z
Inspect belt
z
Engine (See Engine Manual)
Grease reel bearings
z
Inspect and clean engine air filter
z
Oil height adjustment linkage
z
FLAIL BLADE WEAR
1. Wait for engine to cool and disconnect spark plug.
2. Close fuel valve on engine (if available).
3. Lean unit back onto lower handles and secure in place.
4. Inspect blades for wear, and immediately replace any bent or cracked blades. Measure the
overall length of the blade. (See fig. 1)
5. If blades measure less than 3.25"(83 mm) in overall length they must be replaced. NOTE: We
recommend replacing all the flails at once.
SLICING BLADE WEAR
1. Wait for engine to cool and disconnect spark plug.
2. Close fuel valve on engine (if available).
3. Lean unit back onto lower handles and secure in place.
4. Inspect blades for wear, and immediately replace any bent or cracked blades. Measure
the overall length of the blade from the center of the attachment bolt to the tip of the worn
blade.
5. If blades measure less than 3"(76 mm) in length they must be replaced. NOTE: We
recommend replacing all the blades at once.
ROTATING FLAIL REEL END TO END
To maximize flail blade life and performance the reel can be rotated end to end periodically to provide a fresh lead cutting edge. Takes approx. 20 min.
and requires 1/2" and 9/16" socket wrenches with extension bar.
1. Wait for engine to cool and disconnect spark plug.
2. Close fuel valve on engine
(if available).
3. Lean unit back onto lower handles and secure in place.
4. Remove (7) lock nuts (item 62 & 40) holding the belt and shaft guards (item 21 & 22) in place. It is necessary to lower the height adjust lever to reach
the locknuts on the guards. Remove the guards.
5. Remove the drive belt (item 9) by "walking" it out of the groove on the reel pulley (item 2).
6. Remove the (4) lock nuts (item 60) and washers (item 68) holding the bearings (item 23) to the frame of the unit.
7. The reel is now free from the machine. Slide the reel down and out of the machine.
8. Remove the capscrew (item 71), lockwasher (item 57), reel pulley (item 2), key (item 42), and reel spacer (item 10) from the end of the reel.
9. Rotate the reel end to end, and re-install these items on the opposite end of the reel.
10. Re-install the reel in reverse order of removal. Re-install the guards in reverse order of removal.
DRIVE BELT REPLACEMENT
NOTE: Takes approx. 10 min. and requires 1/2" socket wrench with extension.
1. Wait for engine to cool and disconnect spark plug.
2. Remove (4) lock nuts (item 62) holding the belt guard (item 21) in place. It is necessary to lower the height adjust lever to reach the locknuts on the
guard. Remove the guard.
3. Remove the belt (item 9) by rotating the reel pulley (item 2) and walking it out of the groove. Discard old belt
4. Install new belt using same procedure to walk the belt into the groove.
5. With new belt installed pull bail rod back to engaged position and measure extension of idler spring. Spring should stretch 3/4" - 1" (19 25 mm) with
bail engaged. Adjust clutch cable as necessary to achieve this extension.
6. Re-install the belt guard.
Fig. 1