Echo 74554 Owners Manual v.4 - Manual (Page 18)

14 5 INCH CHIpper
SERVICE & MAINTENANCE
Figure 5.5 Belt and pulleys with belt shield removed
IDLER
PULLEY
JACK
SHAFT
Lubricate the machine periodically with a lithium-based
grease. Extreme working conditions will require more
frequent greasing.
grease the following points every 50 hours of operating
time:
Two zerks on the jack shaft (remove belt cover to 1.
access).
Two zerks on the rotor shaft (remove belt cover to
2.
access).
Two zerks on the feed roller shaft.
3.
One grease zerk on the discharge chute. 4.
5.9 lubriCaTion
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:
Remove large belt guard by removing five 5/16" bolts 1.
and washers.
Remove the idler pulley by removing the 4" bolt in the
2.
center of the pulley (see Fig. 5.5).
Remove drive belt from pulleys.
3.
Install new belt on pulleys. 4.
Put idler pulley back in place and replace bolt. 5.
Replace belt guard. 6.
5.8 rePlaCing THe drive belT
Polyurea and lithium-based greases are not
compatible. Mixing the two grease types may lead to
premature failure.
imPorTanT
Figure 5.6 Grease zerk on jack shaft
Figure 5.7 Grease zerks on discharge chute, other side of rotor
shaft, and other side of jack shaft
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
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.