Country Home Products DR manual Symptom Possible Cause

WARNING! Before performing any maintenance procedure, stop the

	engine and disconnect the spark plug wire.
Symptom	Possible Cause
The engine	⇒ Check the throttle travel. See page 24.
lacks power or	⇒ Is the choke pushed all the way to the left (RUN)? See
is not running
	page 24.
smoothly.
	⇒ Is the air filter clean? If it’s dirty, change it following the
	procedure in the engine manufacturer’s owner’s
(Please refer to	manual.
the engine	⇒ Is the spark plug clean? If it’s fouled or cracked,
owner’s manual	change it. If it’s oily, leave it out, hold a rag over the
for engine-	plug hole and pull your recoil cord several times to
specific	blow out any oil in the cylinder, then wipe off the plug
procedures.)	and reinsert it.
	⇒ Are you using fresh, clean unleaded gas? If it’s 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’s dirty, change it following the procedure in the
	engine manufacturer’s owner’s manual.
	⇒ Check the oil level and adjust as needed.
	⇒ If your engine still lacks power, call 1(800) DR-
	OWNER (376-9637) for assistance.
Engine smokes.	⇒ Check the oil level and adjust as needed.
	⇒ 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 Manufacturer's
	Owner’s Manual for detailed information.
	⇒ Clean the engine cooling fins and the carburetor
	housing if they’re dirty.
	⇒ If the engine still smokes, call 1(800) DR-OWNER
	(376-9637)for assistance.
Trailer wheels	⇒ Check the tire pressure. There should be 40 psi in
tracking left or	each tire.
right while being
towed.
Vibrations are	⇒ Check for Chipper Blade damage. See page 39.
higher than	Note: The Chipper Blade cannot be sharpened and must
normal.	be replaced if damaged.

DR COMMERICAL LEAF and LAWN VACUUM Safety & Operating Instructions 43