DR Power Lawn Aerator - Manual (Page 21)

CONTACT US AT www.DRpower.com 21
Troubleshooting Table (Continued)
S YMPTOM P OSSIBLE C AUSE
Engine smokes.  Check the oil level and adjust as needed.
 You may be operating the machine on too great an incline. Do not operate on slopes greater
than 15 degrees.
 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
Operator’s Manual for detailed information.
 Clean the Engine cooling fins and the carburetor housing if they are dirty.
 If the Engine still smokes, visit us at www.DRpower.com.
The Engine runs well but
the Tines won’t move.  Check the Belt tension. See “Adjusting the Drive Cable” section on page 16.
 Check the Belt for wear. Replace the Belt if needed.
 Confirm there is nothing wedged/ wrapped around Tine assembly or Pulleys.
Vibrations higher than
normal.  Check for loose hardware and tighten as needed.
 Lawn conditions may be too hard. Try softening the lawn by watering and aerating the next
day.
 Check the Tines for wear. Replace as needed.
 The Tines may be plugged with hardened soil from the last use. Clean the Tines with a
screwdriver.
Unit does not self
propel.  Lawn conditions may be too wet so that Tines just scoop mud. Let lawn dry before aerating.
 Lawn conditions may be too hard so that Tines do not penetrate. Try softening the lawn by
watering and aerating the next day.
 You may be traveling up too steep an incline.
Cores are short or not
nicely formed.  Lawn conditions may be too hard so that Tines do not penetrate. Try softening the lawn by
watering and aerating the next day.
 Lawn conditions may be too wet so that Tines just scoop mud. Let lawn dry before aerating.
Shut down the engine, remove the spark plug wire and wait 5 minutes before performing any maintenance procedure or
inspection on the LAWN AERATOR.