Echo CH8993H Owners Manual v.6 - Manual (Page 23)

19 8 INCH TURNTABLE CHIPPER
ENGLISH
SERVICE & MAINTENANCE
Before inspecting or servicing any part of this machine, shut off power source,
disengage the hydraulics, open shield and make sure all moving parts have come to a complete stop.
WARNING
5.9 Trailer service TiPs 5.8 clearinG a PluGGeD DisK
If the machine becomes plugged, lift the engagement
handle, shut off the engine, disconnect the spark plug
wire and allow the machine to come to a complete
stop before clearing debris. Do not operate the ma-
chine without proper guards and shields in place.
warninG
Feeding too large or too much material at once may plug
the chipper. To clear a plugged disk, proceed as follows:
1. lift the engagement handle and turn off engine key switch.
allow all moving parts to come to a complete stop.
2. remove the two 3/8" retaining bolts holding the access
cover to the chipper frame and lift up access cover.
3. Remove the lock pin from storage position (see below).
4. Turn check valve clockwise to engage the jack pump.
5. Pump the handle to raise the feed roller until the lock pin
position aligns with one of the support bracket holes.
6. Secure the position by putting the lock pin through the
support bracket and lock pin position.
7. Clean the debris away from the chipper disk. Turn the disk
by hand to be sure it is free to rotate. Be careful to avoid
the chipper blades when cleaning out the debris.
8. remove the lock pin and put it back in storage
position. lEAVINg THE lOCK PIN IN ANy OTHER
POSITION MAy INTERFERE WITH FEED ROllER
OPERATION.
9. turn the check valve counterclockwise to disengage
the pump and lower the jack.
10. Close access cover and replace bolts.
11. Start the engine. lower the engagement handle
when engine is running to engage drive belt. resume
operation at 1/4 throttle.
LOCK PIN IN
STORAGE
POSITION
LOCK PIN
POSITION
SUPPORT
BRACKET
FEED
ROLLER
JACK
CHECK
VALVE
Figure 5.4, Feed Roller Jack
5.10 Drive BelTs
5.10.1 rePlacinG DisK Drive BelT
Check the condition of the drive belt annually or after ev-
ery 25 hours of operation, whichever comes first. If the
belt is cracked, frayed, worn or stretched, replace it. Re-
place belt with original banded type belt only. Do not use
single type belts.
1. lift engagement handle to disengage drive belt.
2. loosen bolt on engine tie. DO NOT REMOVE.
3. loosen the bolts securing the belt kicker to the
engine (located above the small sheave). DO NOT
REMOVE.
4. assure the belt tensioning bolts on the engine mount
plate are tight against the engine mount.
5. Turn each of the two bolts eight revolutions
counterclockwise.
6. loosen the four engine mount bolts and slide engine
towards chipper housing.
7. Remove the large idler pulley.
8. using a wrench, pull the small idler pulley away from
the hydraulic belt to release the tension.
9. Remove the hydraulic drive belt from the drive pulley
on the engine.
10. remove the old disk drive belt and install new disk drive
belt on engine and large pulley.
11. Install large idler pulley
12. lower engagement handle to engage drive belt
If belt does not easily install, turn the two belt tension
bolts counterclockwise an equal number of turns and
slide engine closer to chipper until belt can be installed.
noTe
1. Check wheel bolt torque monthly.
2. Check air pressure in tires monthly.
3. Check and repack wheel bearings with grease every
12 months.
4. When towing, always connect the safety chains. Make
sure trailer hitch bolts are tight.
5. Check trailer lights periodically.