Echo DL10570 Owners Manual v.2 - Manual (Page 22)

Debris Loader Owner’s Manual 18
SERVICE & MAINTENANCE
BEFORE INSPECTING OR SERVICING ANY PART OF THIS MACHINE, SHUT OFF POWER SOURCE,
AND MAKE SURE ALL MOVING PARTS HAVE COME TO A COMPLETE STOP.
WARNING
Check the condition of the flex hose frequently. Replace
if it is split or damaged.
1. Shut off engine and allow rotor to completely stop.
2. Remove spark plug wire.
3. Remove the clamp attaching the flex hose to the hose
intake weldment. Remove the hose from the intake
weldment (Figure 7).
4. Remove two bolts from the hose wraps to separate
the flex hose from the hose support.
5. Remove the remaining clamp securing the flex hose
to the hose handle. Remove the hose from the hose
handle.
6. Replace flex hose by performing steps 1-5 in reverse
order.
5.7 REPLACING THE FLEX HOSE
Figure 7, Flex hose (670cc Honda model shown)
5.8 REPLACING WEAR LINERS
The fan housing wear liners are replaceable on 725cc,
570cc & 390cc engine models. To replace the wear
liners:
1. Shut off engine and allow rotor to completely stop.
1. Remove the fan intake weldment from the fan
housing.
2. Remove the 7/16" x 1-1/2" bolt and washers from the
end of the engine crank shaft.
3. Remove the bushing and rotor from the engine crank
shaft.
4. From the outside of the debris loader housing, remove
eight 5/16" nylock nuts that hold the two wear liners.
5. Remove the old wear liners and insert the new
liners.
WEAR
LINERS
ROTOR
BUSHING
7/16” x
1-1/2” BOLT
WASHERS
5/16” x 3/4”
CARRIAGE
BOLT
5/16”
NYLOCK NUT
Figure 8, Flex hose (670cc Honda model shown)
6. Install the new wear liners with eight 5/16" x 3/4"
carriage bolts and nylock nuts. Feed the carriage bolts
from inside the debris loader housing. Torque hardware
to 17 ft-lbs.
7. Reinstall the bushing and rotor on the engine crank
shaft.
8. Reinstall the 7/16" x 1-1/2" bolt and washers to the
engine crank shaft. Torque to 50 ft-lbs.
9. Make sure approximately 1/4" clearance exists
between the fan housing and the rotor plate.