Operating instructions

DR
®
TRIMMER/MOWER
™
Assembly & Operating Instructions iii
Table of Contents
SAFETY INSTRUCTIONS...............................................................................................................................................1
Dress Appropriately.........................................................................................................................................................1
Preparation.......................................................................................................................................................................1
Operating the Machine Safely .........................................................................................................................................1
Safety with Gas-Powered Machines ................................................................................................................................2
Warning to All California and Other Users .....................................................................................................................2
TRIMMER PARTS & COMPONENTS..........................................................................................................................3
ASSEMBLY COMPONENTS...........................................................................................................................................4
ASSEMBLY........................................................................................................................................................................5
CONTROLS & FEATURES ...........................................................................................................................................10
STARTING & OPERATING..........................................................................................................................................11
Electric-Starting.............................................................................................................................................................11
Manual-Starting.............................................................................................................................................................11
Stopping the Engine.......................................................................................................................................................12
Engaging the Trimmer Head..........................................................................................................................................12
Stopping the Cords from Spinning ................................................................................................................................12
Cutting Cords.................................................................................................................................................................13
TRIMMING AND MOWING METHODS....................................................................................................................14
Obstacles........................................................................................................................................................................14
Mow-Ball
™
Support.......................................................................................................................................................14
Cutting Cords.................................................................................................................................................................14
Adjusting the Cutting Height.........................................................................................................................................16
Wagner Anti-Wrap Device ............................................................................................................................................17
Heavy Growth................................................................................................................................................................18
Wet Conditions..............................................................................................................................................................18
Very Dry Conditions......................................................................................................................................................18
Slopes.............................................................................................................................................................................18
Windrows.......................................................................................................................................................................19
Firebreaks ......................................................................................................................................................................19
End-of-Season Garden Clean-Up ..................................................................................................................................19
MAINTENANCE..............................................................................................................................................................20
Regular Maintenance.....................................................................................................................................................20
Battery Care (Electric-Starting models only).................................................................................................................21
To Remove the Mow-Ball
™
Support Assembly ............................................................................................................22
To Reassemble the Mow-Ball
™
Support Assembly.......................................................................................................23
To Partially Lower the Bearing Housing Assembly (to remove debris)........................................................................24
To Check the Bearing Housing Assembly for Damage.................................................................................................24
To Remove and Replace the Bearing Housing Assembly .............................................................................................25
To Replace the Belt .......................................................................................................................................................26
To Adjust the Belt Tension Using the Trimmer Control Cable.....................................................................................27
TROUBLESHOOTING...................................................................................................................................................28
PARTS LIST.....................................................................................................................................................................32
SCHEMATIC DRAWING ..............................................................................................................................................33
DAILY CHECKLIST FOR THE DR
®
TRIMMER/MOWER
™
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