Chapter 5: Maintaining the DR® TRIMMER/MOWER™
This chapter covers regular maintenance procedures that will ensure the best performance and long life of your machine. For engine maintenance, please refer to the engine manufacturer’s owner’s manual that came with your trimmer.
Important! You should change the air filters and oil in your DR® TRIMMER/MOWER™ more frequently than is recommended in your engine manufacturer’s owner’s manual. Please follow the recommendations
Paper Air Filter Cartridge: Replace the paper air cartridge every 25 hours of operation. Replace more frequently if operating in extremely dry or dusty conditions.
Oil: Drain and replace oil after the first 5 hours of operation. Then drain and replace oil every subsequent 25 hours of operation.
Regular Maintenance
Regular maintenance is the best way to ensure the best performance and long life of your machine. Below is a list of recommended maintenance procedures. Follow the instructions in this manual and your engine manufacturer’s owner’s manual.
WARNING! Always allow the engine to cool completely and remove the spark plug wire before performing any maintenance procedure.
1.Using a brush or rag, clean any debris from the top and bottom of the machine, cylinder head fins, blower housing, finger guard, debris guard, filter and muffler areas.
2.Replace the paper air filter and clean the foam filter (if applicable) every 25 hours of operation. Replace these items more frequently if operating in extremely dry and dusty conditions.
3.Replace the oil and filter (if applicable) after the first 5 hours and every subsequent 25 hours of operation.
4.Clean the spark plug and replace it if needed. Consult the engine manufacturer’s owner’s manual for more information.
5.Check the
6.Lubricate the engine throttle cable, trimmer control cable, and idler pulley with FLUID FILM® or a similar lubricant.
7.Check the
8.Replace broken or frayed cutting cords.
9.Inspect the belt for fraying or stretching. Replace it if necessary.
10.Check the bolts and nuts on the bearing housing assembly. If they are loose, tighten them. Check all the bolts and nuts occasionally throughout the season to be sure they’re secure.
24 | DR® TRIMMER/MOWER™ Safety & Operating Instructions |