46 DR
®
TRIMMER/MOWER
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.
SYMPTOM POSSIBLE CAUSE
The engine won’t
start using electric-
start.
(Please refer to the
Engine Owner’s
manual for engine-
specific
procedures.)
Have you checked all the items under the section called Electric Starting on page 18
and the previous section on Manual Starting?
Check the wiring behind the Key switch; it may have vibrated off the switch
terminals.
Check the wire connections - especially the ground connection, the large black wire
coming from the battery, where it connects to the engine.
Check the wire connections to the solenoid. Disconnect the black 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.
Check the ground connection on the solenoid where it is bolted to the frame. Using
a wrench or socket, tighten the bolts to ensure a good connection to the frame.
Is your battery charged? Check the voltage yourself or at a gas station. If it is low,
charge it with a 12-volt, 1 to 2 Amp trickle charger. If you do not use your machine
for at least 45 minutes at a time, the battery may need to be periodically charged.
See the Battery Care section on page 30.
If your battery is charged and your DR TRIMMER/MOWER still won’t start, call
1(800) DR-OWNER (376-9637) for assistance.
The engine lacks
power or is not
running smoothly.
(Please refer to the
Engine Owner’s
Manual for engine-
specific
procedures.)
Check the Throttle travel. Is the Throttle Lever in the Run position?
Check for debris (hay seed, etc.) clogging the Air Filter Intake and clean out as
required.
Is the blower housing, throttle linkage, and cooling fins free of debris? Clean them
following the instructions in the Engine Owner’s Manual.
Is the air filter clean? If it’s dirty, change it following the procedure in the Engine
Owner’s Manual.
Remove the spark plug wire and dry the connection with a rag.
Is the spark plug clean? If it’s fouled 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.
Are you using fresh, clean unleaded gas? If it is old, change it. Use a fuel stabilizer
if you keep gas longer than one month.
Does your engine have the right amount of clean oil? If it is dirty, change it
following the procedure on page 40.
If your engine still lacks power, call 1(800) DR-OWNER (376-9637) for assistance.
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