DR 10.5HP PRO-26, Safety & Operating Instructions Manual, Page: 18 / 36

18
DR
®
FIELD and BRUSH MOWER
Chapter 4: Maintaining the DR FIELD and BRUSH MOWER
Regular maintenance will 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
P
ROCEDURE
B
EFORE
E
ACH
U
SE
E
VERY
25 H
OURS
E
VERY
100 H
OURS
Check Operator Presence Switch 
Check Engine Oil Level 
Check General Equipment Condition 
Check Blade for Sharpness

Clean Engine Exterior and Cooling Fins 
Check All Belt Tensions and Condition 
Brake Maintenance 
Lubricate Grease Fittings 
Lubricate Cables

Check Tire Pressures 
Change Engine Oil and Filter ** 1
st
time 5 hours 
Check the Battery charge 
Check cable connections 
Replace Air Filter and Precleaner **

Replace belts 
Replace Spark Plug(s) 
Replace Fuel Filter 
** The Engine on your machine may not have a Precleaner or Oil Filter.
LUBRICATION
Replacing Engine Oil and Filter
Note: Drain the oil when the Engine is warm. Warm oil drains quickly and
completely.
Tools & Supplies Needed:

Oil Filter Wrench (obtainable from a local auto parts or hardware store)

Oil (Refer To Engine Operator Manual for Oil info and Capacity)

Rags and an approved oil container
1. Position an approved oil container near the Oil Drain Hose.
2. Turn the Oil Drain Cap a quarter turn counterclockwise and open the end of
the Drain Hose Assembly
(Figure 23 ).
3. Remove the Oil Drain Hose Assembly from its stowed position and lower
the drain end over the Oil Container to drain.
Figure 23
Oil Drain Hose
Oil Container

Before performing any maintenance procedure or inspection, stop the engine, wait five minutes to allow all parts to cool.
Remove the Key and disconnect the spark plug wire(s), keeping it away from the spark plug(s)

Always wear gloves when performing maintenance on the machine.