30 DR
®
FIELD and BRUSH MOWER
Chapter 5: Troubleshooting
Most problems are easy to fix. Consult the Troubleshooting Table below for common problems and their solutions. If you
continue to experience problems, contact us at www.DRpower.com or call toll-free 1-800-DR-OWNER (376-9637) for support.
Troubleshooting Table
Engine Starter Won’t Crank
on Electric Start machines
Blade Engage Lever is in “ENGAGED” position; Disengage Blade Engage Lever.
Operator Presence Wires are disconnected; Reconnect Operator Presence Connector
Check the fuse located on the Starter Wire; Replace fuse if blown
Battery power is low; Check the battery is more than 12V- Refer to Battery Care Section
Wires are disconnected or corroded; Check all wire connections. Disconnect the green Battery
ground wire first to avoid sparks. Check to be sure that all of the connections are clean and
tight. Reconnect the Battery ground wire.
Engine turns but won’t start
Check that the gas tank is at least half full and that the fuel shut off Valve is in the ON position
Try starting with the throttle in the CHOKE position; if this doesn’t work try the RUN position.
The Engine lacks power or is
not running smoothly.
(Please refer to the Engine
Owner’s Manual for engine-
specific procedures.)
Check the Throttle Lever travel and adjustment. Make sure the Throttle Lever is in the Run
position.
Check that the Air Filter is clean. If it is dirty, change it following the procedure in the Engine
Owner’s Manual.
The Spark Plug(s) may be dirty or cracked, change it. If it’s oily, leave it out, hold a rag over the
Plug Hole(s) and crank the Engine several times to blow out any oil in the Cylinder(s), then wipe
off the Plug(s) and reinsert it.
The gas may be old, change it. Use a fuel stabilizer if you keep gas longer than one month.
Check the Fuel Filter, it may be clogged. Replace if necessary.
Check to make sure that your Engine has the right amount of clean oil. If it is dirty, change it
following the procedure in the Engine Owner’s Manual.
Check the oil level and adjust as needed.
You may be operating the machine on too great an incline. See “Mowing on Slopes” on page
17.
Check the Air Filter and clean or replace if needed.
You may be using the wrong oil—too light for the temperature. Refer to your Engine Owner’s
Manual for detailed information.
Clean the Cooling Fins if they are dirty.
If the Engine still smokes, visit our web site at www.DRpower.com for assistance.
Traction Drive does not
Engage
The Drive Belt is off the Pulleys; Reinstall the Belt onto the Pulleys
The Drive Belt is damaged; Replace the Drive Belt.
Drive Idler Spring is broken or not attached, Reattach or replace.
The Neutral Bypass Links are in the transport position; Push Neutral Bypass Links in so they are
in the drive position.
Before performing any maintenance procedure or inspection, stop the engine, wait five minutes to allow all parts to cool.
Disconnect the spark plug wire(s), keeping it away from the spark plug(s).
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