20
DR
®
7.25 ALL-TERRAIN TRIMMER/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
S
YMPTOM
P
OSSIBLE
C
AUSE
Recoil will not pull out
or is difficult to pull.
Check the Engine oil level, the Engine may be seized.
There may be an oil compression lock in the Cylinder. Take out the Spark Plug; hold a rag
over the Spark Plug hole and pull the Recoil Cord several times to blow out any oil in the
Cylinder. Wipe off the Spark Plug and reinstall it.
The Recoil may be broken or jammed. Try to turn the Engine by rotating the Trimmer Head
with the Spark Plug removed. If it turns, the Recoil is broken or jammed. Visit our web site
at www.DRPower.com or call 1-800-DR-OWNER (376-9637) for assistance.
The Engine will not start
manually.
(Please refer to the
Engine Owner’s Manual
for Engine-specific
procedures.)
Check that the Throttle is in the fast (rabbit) position.
Check that the Choke Lever is in the closed “Choke” position if the Engine is cold.
Check for proper attachment of the Spark Plug wire.
Check that the Engine has the right amount of clean oil. If the oil is dirty, change it
following the procedure on page 19.
You should be using fresh, clean, unleaded gas. If the gas is old, change it. Use a fuel
stabilizer if you keep gas longer than one month.
Check that the Air Filter is clean. If it is dirty, change it following the procedure in the
Engine Owner’s Manual.
Make sure that the Spark Plug is clean. If the Spark Plug is dirty or cracked, change it. If
it’s oily, leave it out, hold a rag over the Spark Plug hole and pull the Recoil Cord several
times to blow out any oil in the Cylinder, then wipe off the Spark Plug and reinsert it.
If the Engine still will not start, visit our web site at www.DRPower.com or call 1-800-DR-
OWNER (376-9637) for assistance.
Engine smokes.
Check the oil level and adjust as needed.
You may be operating the machine on too great an incline. (See Slopes on page 14)
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 Engine cooling fins and the carburetor housing if they are dirty.
If the Engine still smokes, visit our web site at www.DRPower.com or call 1-800-DR-OWNER
(376-9637) for assistance.
Shut off the Tow Vehicle, set the parking brake and remove the Key. Shut off the Trimmer Engine and after all moving parts to
come to a complete stop, wait five minutes before performing any maintenance procedure or inspection on the Trimmer.
