11
10. Replace or sharpen chipper blade.
11. When sharpening blade, protect hands by using
gloves and follow the original angle of grind.
12. Reassemble by performing steps 1 through 9 in
reverse order.
• Tighten blade screws to 210 - 250 in-lbs.
• Tighten impeller bolt to 375 - 425 in-lbs.
NOTE:
Make certain blade is reassembled with the
sharp edge facing upward. See Figure 16.
Figure 16
SECTION 7: OFF-SEASON
STORAGE
The following steps should be taken to prepare your
chipper shredder vacuum for storage.
1.
Remove all dirt from exterior of engine and equip-
ment.
2.
Refer to engine manual for correct engine storage
instructions.
3.
Wipe unit with an oiled rag to prevent rust (use a
light oil or silicone), especially if storing in an
unventilated or metal storage shed.
4.
Store in a dry, clean area. Do not store next to cor-
rosive materials, such as fertilizer.
SECTION 8: TROUBLE SHOOTING GUIDE
Chipper
Impeller
Assembly
Blade
Flail
Blade
Trouble
Possible Cause(s)
Corrective Action
Engine fails to start
Fuel tank empty or stale fuel.
Spark plug wire
disconnected.
Cannot pull recoil cord.
Choke not in ON position.
Faulty spark plug.
Safety switch not depressed.
Safety switch wire is discon-
nected to engine or not prop-
erly grounded.
Fill tank with clean, fresh gasoline. Fuel will not last over
thirty days unless a fuel stabilizer is added.
Connect wire to spark plug.
Obstruction lodged in impeller. Disconnect spark plug wire
and remove lodged object.
Move CHOKE (if equipped) to ON position.
Clean, adjust gap or replace.
Safety switch must be depressed by the front tab on the
bag handle when securing the bag.
Connect safety switch wire to engine connector and ground
to mounting bracket.
Loss of power; operation
erratic
Spark plug wire loose.
Unit running on CHOKE.
Blocked fuel line or stale fuel.
Water or dirt in fuel system.
Low engine RPM.
Connect and tighten spark plug wire.
Move choke lever (if equipped) to OFF position.
Clean fuel line; fill tank with clean fresh gasoline. Fuel will
not last over thirty days unless a fuel stabilizer is used.
Disconnect fuel line at carburetor to drain fuel tank. Refill
with fresh fuel.
Always run engine at full throttle.
Too much vibration
Loose parts or damaged
impeller.
Stop engine immediately and disconnect spark plug wire.
Have unit serviced by a an authorized service dealer.
Unit does not discharge
Discharge chute clogged.
Foreign object lodged in
impeller.
Low engine RPM.
Vacuum bag is full.
Stop engine immediately and disconnect spark plug wire.
Clean flail screen and inside of discharge opening. See
Maintenance section of this manual.
Stop engine immediately and disconnect spark plug wire.
Remove lodged object.
Always run engine at full throttle.
Empty bag.
Rate of discharge slows
considerably or
composition of discharged
material changes
Low engine RPM.
Chipper blade dull.
Always run engine at full throttle.
Replace chipper blade or see your authorized service
dealer.