Troy-Bilt 420 - Manual (Page 12)

Maintenance & Adjustments
6
12
Equipment Care
Clean the chipper shredder thoroughly after each use. •
Wash bag periodically with water. Allow to dry thoroughly •
in shade.
If the reduction chamber becomes clogged, remove and
•
clean as instructed below.
NOTE: Cleaning with a forceful spray of water is not
recommended as it could contaminate the fuel system.
Engine Care
Refer to the Maintenance section of the Engine Owner/ Operator
manual packed with your unit. Read and follow instructions
carefully.
Check engine oil level before each use as instructed in the •
separate engine manual.
Clean or replace air cleaner every 25 hours under normal
•
conditions. Clean every few hours under extremely dusty
conditions. To service the air cleaner, refer to the engine
manual.
The spark plug should be cleaned and the gap reset once
•
a season. Check engine manual for correct plug type and
gap specifications.
Clean engine regularly with a cloth or brush. Keep the
•
top of the engine clean to permit proper air circulation.
Remove all grass, dirt, and combustible debris from muffler
area.
Maintenance
General Recommendations
Always observe safety rules when performing any •
maintenance.
The warranty on this chipper shredder does not cover
•
items that have been subjected to operator abuse or
negligence. To receive full value from warranty, operator
must maintain the equipment as instructed here.
Changing of engine-governed speed will void engine
•
warranty.
All adjustments should be checked at least once each
•
season.
Periodically check all fasteners and make sure these are
•
tight.
WARNING: Always stop engine, disconnect spark
plug, and ground against engine before, cleaning,
lubricating, or performing any type of maintenance
on your machine.
Lubrication
Lubricate the chipper chute hinge a with light oil once a 1.
season.
Lubricate the pivot points on the chute deflector with light
2.
oil once a season.
Follow the separate engine manual packed with your unit
3.
for engine lubrication instructions.