DR Power Walk-behind 12.5 HP Tecumseh with 42 Lawn Deck - Manual (Page 44)

40 DR
®
WIDE-CUT LAWN MOWER
BEFORE PERFORMING ANY MAINTENANCE PROCEDURE OR INSPECTION, STOP THE ENGINE AND WAIT
FIVE (5) MINUTES TO ALLOW ALL PARTS TO COOL. DISCONNECT THE SPARK PLUG WIRE, KEEPING IT
AWAY FROM THE SPARK PLUG.
S YMPTOM P OSSIBLE C AUSE
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 may be dirty or cracked, change it. If it is oily, leave it out, hold a
rag over the Plug Hole and crank the Engine with the Starter several times to
blow out any oil in the cylinder, then wipe off the Plug 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.
⇒
If the Engine still lacks power, visit our web site at www.DRPower.com or call
1-800-DR-OWNER (376-9637) for assistance.
The 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
23.
⇒ 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 or call
1-800-DR-OWNER (376-9637) for assistance.
Engine runs fine but
the machine will not
move.
⇒ The Drive Belt is broken or out of adjustment. See page 31.
⇒ The Transmission may be defective, visit our web site at
www.DRPower.com or
call 1-800-DR-OWNER (376-9637) for assistance.
Machine is hard to
get into reverse. ⇒ If you find it difficult to shift into reverse, lightly pull the Clutch Lever as you pull
the Shift Lever into Reverse then quickly release the Clutch Lever.
⇒
If the difficulty persists, visit our web site at www.DRPower.com or call
1-800-DR-OWNER (376-9637) for assistance.