Echo CH4400 Owners Manual v.1 - Manual (Page 24)

4 INCH CHIPPER 20
SERVICE & MAINTENANCE
Before inspecting or servicing any part of this machine, shut off power source,
disconnect spark plug wire from spark plug and make sure all moving parts have come to a complete stop.
WARNING
1. Remove the chipper deflector and/or disk cover.
Remove debris, taking care to avoid the chipper blades
which can be extremely sharp.
2. Once debris is removed, replace the chipper deflector
and/or disk cover.
5.12 ClearInG a pluGGeD DIsK
5.13 luBrICaTIon
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.
engagement lever
rear rotor bearing
Front rotor bearing