MTD 450 Serie Manual Del Operador página 13

Maintenance& Adjustments
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.
Lubrication
1.
WARNING:
Always stop engine, disconnect spark
plug, and ground against engine before, cleaning,
lubricating, or performing any type of maintenance
on your machine.
Lubricate the release rod and spring with light oil once a
season. See Fig. 6-1.
Model Series 460 Shown
Figure 6-1
2. Lubricate the pivot points on the hopper with light oil once
a season.
3. Lubricate the pivot points on the chute deflector with light
oil once a season.
4. Follow the separate engine manual packed with your unit
for engine lubrication instructions.
Equipment Care
Clean the chipper shredder thoroughly after each use.
Wash bag periodically with water. Allow to dry thoroughly
in shade.
If the discharge area becomes clogged, remove flail screen
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
a rea.
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