DR Power Mini Tiller Roto-Hog (November 2008 - December 2014 ) - Manual (Page 19)

CONTACT US AT www.DRpower.com 19
When performing any maintenance, you must first shut off the Engine; wait five (5) minutes to allow parts to cool and
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.
⇒ Make sure that you run the Engine at full Throttle.
⇒ Make sure that you turned the Fuel Tank Cap Vent Screw to the vent position and not too
far.
⇒ The Air Filter may be dirty; clean it following the procedure on page 15.
⇒ The Spark Plug may be dirty or cracked; change it if necessary. If it’s wet, leave it out, hold
a rag over the Plug Hole and pull the Recoil Cord several times to blow out any fuel in the
Cylinder, then wipe off the Plug and reinsert it.
⇒ The fuel may be old; change it if necessary. Use a fuel stabilizer if you keep fuel longer
than one month.
⇒ The Choke may be partially in the CHOKE position, place in the RUN position.
⇒ The Fuel Filter in the Fuel Tank may be clogged; clean or replace the filter.
⇒ If your Engine still lacks power, visit our website at
www.DRpower.com for assistance.
Engine smokes. ⇒ You may have the wrong gas/oil mixture. See page 10.
⇒ The Air Filter may be dirty; clean it following the procedure on page 15.
⇒ Clean the Engine cooling fins and the carburetor housing if they are dirty.
⇒ If the Engine still smokes, visit our website at
www.DRpower.com for assistance.
The Engine runs well
but the Tines won’t
move. ⇒
The Tine Drive Clutch may be faulty, visit our website at www.DRpower.com for
assistance.
The Tines turn when
the Engine is idling. ⇒
Engine idle speed is too high, visit our website at www.DRpower.com for assistance.
⇒ Broken Tine Drive Clutch Spring, replace the Spring.
The Engine runs well
but labors when
tilling. ⇒ Operator is being too aggressive; raise the Tines by pushing down on the Handlebars.
⇒
Be sure to run the Engine at full Throttle.
Excessive bounce and
difficult handling. ⇒ The area you are tilling may be too dry and hard. Moisten the ground or wait for
conditions that are more favorable.
⇒ Be sure to run the Engine at full Throttle.
⇒ If your DR ROTO-HOG Mini Tiller still bounces, visit our website at
www.DRpower.com
for assistance.
The tilled soil balls up
or clumps. ⇒
The ground that you are trying to till is too moist.