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DR  COMMERICAL LEAF and LAWN VACUUM Safety & Operating Instructions 33
Chapter 5: Maintaining the DR LEAF and LAWN VACUUM
Regular maintenance is the way to ensure the best performance and long life of your DR
LEAF and LAWN VACUUM. Please refer to this manual and the engine owner manual
for maintenance procedures. Service intervals listed in the checklist below supercede those
listed in the engine owner manual.
Regular Maintenance Checklist
Note: Service intervals shown are considered maximum under normal operating
conditions. Increase frequencies under extremely dirty or dusty conditions.
Procedure
Before
Each
Use
Every
20
Hours
Every 100
Hours
Check Engine Oil Level ▲
Check blower hoses for wear, holes, or
abraded areas. ▲
Check the general condition of the
machine, e.g. nuts, bolts, welds, etc. ▲
Make sure engine retaining knobs are tight. ▲
Check Tire Pressure to be 40 psi. ▲
Clean Engine Air Filters ▲
Change Engine Oil
Note: 1
st time after 5 hours of operation ▲
Clean Engine Exterior & Cooling Fins ▲
Replace Spark Plug ▲
Replace Engine Air Filters ▲
WARNING! When performing any maintenance, you must first shut off the
engine and disconnect the spark plug wire. Read the "Safety
Considerations" section of this manual before performing any
repairs or maintenance.