Maintenance - Billy Goat PR550 Operator Owner's Manual

MAINTENANCE

17
Use only a qualified mechanic for
any adjustments, disassembly or
any kind of repair .
WARNING: TO AVOID PERSONAL INJURY, ALWAYS
TURN MACHINE OFF, MAKE SURE ALL MOVING
PARTS COME TO A COMPLETE STOP.
DISCONNECT SPARK PLUG WIRE
BEFORE SERVICING UNIT.
ENGINE: See engine manufacturer
operator's instructions.
RECONNECT SPARK PLUG WIRE,
AND ALL GUARDS, BEFORE
STARTING ENGINE.
USE ONLY BILLY GOAT ORIGINAL
EQUIPMENT PARTS FOR
REPLACEMENT AND REPAIR
BLADE WEAR AND ROTATING REEL END TO END
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.
Fig. 1
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.
Part No. 350177
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
3. Lean unit back onto lower handles and secure in place.
4. Remove (6) lock nuts(item 62) 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 (3) 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.
Maintenance Schedule
Maintenance Operation
Engine (See Engine Manual)
Check engine oil
Inspect and clean engine air filter
Grease reel bearings
Inspect belt
Inspect for loose, worn,
or damaged parts
Oil height adjustment linkage
Page 10 of 16
(if available).
Follow these hourly
maintenance intervals.
Every Use Every
(Daily) 25 hrs
Form No. F021604B