Echo CH911DH Owners Manual v.4 - Manual (Page 21)

9 INCH CHIPPER 17
englis
H
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
5.11 lubriCaTion
• Two bearings on the rotor shaft.
• Two bearings on the hydraulic feed roller.
• One bushing on the belt engagement pedal pivot.
• One grease zerk on idler pivot.
• One grease zerk on discharge chute.
See following page for grease zerk locations.
lubricate the machine periodically with a lithium-based
grease. Extreme working conditions will require more
frequent greasing.
grease the following points every 50-100 hours of
operating time:
imPorTanT
Polyurea and lithium-based greases are not
compatible. Mixing the two grease types may lead to
premature failure.
noTe
Do not over grease bearings. Overfilling can lead to
excessive heat and/or unseating of the seals. Add
grease slowly and under light pressure. Whenever
possible, rotate bearing slowly while lubricating.
5.9 rePlaCing Drive belT
Shut off engine. 1.
Remove drive belt shield. 2.
Remove the hydraulic pump belt by loosening the bolts 3.
on the hydraulic pump (Figure 5.4).
SPAN LENGTH
FORCE
20 LBS
7/16" DEFLECTION
Figure 5.5, Belt tension
Take the tension off the drive belt by depressing the belt 4.
engagement pedal. Remove the drive belt from pulleys.
Install the new drive belt on pulleys.
5.
Check pulley alignment with a straight edge and adjust 6.
engine if needed.
Check belt tension and adjust if needed. The belt
7.
deflection at the center of the belt should be 7/16"
when a 20 lb. load is placed against the belt (see Figure
5.5).
Reinstall hydraulic pump belt. Readjust hydraulic
8.
pump belt tension by sliding the hydraulic pump in the
mounting slots. Tighten bolts.
Replace belt guard.
9.
Depress belt engagement pedal, start engine, engage 10.
drive belt, and test unit. Readjust pulleys and belt
tension if needed.
Figure 5.4, Drive belt
Check the condition of the drive belt annually or after every
25 hours of operation, whichever comes first. If the belt is
cracked, worn, frayed, or stretched, replace it. Replace
belt with original banded belt type only. Do not use single
type belts.
To replace the belt:
5.10 CHange oil
Check the oil level before each use. Change oil as directed
in the engine owner's manual.
The controller will blink a code every 100 hours as a
reminder to change oil. To reset the controller, see Sec.
7.3.