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Chapter 4: Maintaining The DR STUMP GRINDER
Regular maintenance is the way to ensure the best performance and long life of your machine. Please refer to this manual and the
engine manufacturer's owner's manual for maintenance procedures. Service intervals listed in the checklist below supersede
those listed in the engine manufacturer's owner's manual.
Regular Maintenance Checklist
PROCEDURE BEFORE
EACH USE
E
VERY 25
HOURS
E
VERY 60
HOURS
E
VERY 100
HOURS
Check En
ine Oil Level
Check General E
ui
ment Condition
Check Cuttin
Teeth
are the
dull or dama
ed
Clean En
ine Exterior & Coolin
Fins
Remove debris wrapped around Cutter Head for Bearing protection.
Check Tire Pressure
Re
lace Belt if stretched or worn
Clean Air Filte
Lubricate Cables
SAE 30 Oil
Change Engine Oil
1
st
time 5
hours
Re
lace Cuttin
Teeth
or sooner if dull or dama
ed
Check Cutter Head when Teeth are re
laced
Re
lace Cutter Head
order kit # 30506
Re
lace S
ark Plu
Replace Air Filter
Removing and Replacing the Engine Oil
Tools and Supplies Needed:
10mm (Premier) or 12mm (Pro and Pro-XL) Wrench
1/2" Wrench (electric start only)
Rags and approved Container (for waste oil)
Small funnel
Engine Oil (see your Engine Manual for Oil specifications)
1. For Electric Start machines you will first need to disconnect the Battery
Terminals and remove the Battery Bracket by removing the two Locknuts
from the Bracket Studs with a 1/2" Wrench (leave Battery attached to
Bracket) (Figure 16).
Battery Bracket
Figure 16
Locknuts
inside Frame
Battery
Terminals
Before performing any maintenance procedure or inspection, stop the engine, wait five (5) minutes to allow all parts to cool.
Disconnect the spark plug wire, keeping it away from the spark plug. Disconnect the Battery Terminals (Electric start only).
The Frame and Engine must be level to get an accurate reading when
adjusting the oil level. Use blocks to adjust the height of the cutting head to
level the Frame.
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