DR
®
TRIMMER/MOWER
™
Assembly & Operating Instructionsiv
Table of Contents
SAFETY INSTRUCTIONS ..............................................................................................................................................II
Dress Appropriately........................................................................................................................................................ ii
Preparation...................................................................................................................................................................... ii
Operating the Machine Safely......................................................................................................................................... ii
Safety with Gas-Powered Machines .............................................................................................................................. iii
Warning to All California and Other Users ................................................................................................................... iii
TRIMMER PARTS & COMPONENTS ..........................................................................................................................1
ASSEMBLY COMPONENTS...........................................................................................................................................2
ASSEMBLY ........................................................................................................................................................................3
CONTROLS & FEATURES .............................................................................................................................................9
STARTING & OPERATING..........................................................................................................................................10
Electric-Starting.............................................................................................................................................................10
Manual-Starting .............................................................................................................................................................10
Stopping the Engine.......................................................................................................................................................11
Engaging the Trimmer Head..........................................................................................................................................11
Stopping the Cords Spinning .........................................................................................................................................11
Using the Parallel Trimming Action (PTA
™
) Feature ...................................................................................................12
Cutting Cords.................................................................................................................................................................13
Cord Tips .......................................................................................................................................................................15
Adjusting the Cutting Height.........................................................................................................................................16
Mow-Ball
™
Support.......................................................................................................................................................16
Adjusting the Handlebar ................................................................................................................................................16
Obstacles........................................................................................................................................................................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........................................................................................................................................................27
To Adjust the Belt Tension through the Trimmer Control Cable ..................................................................................28
To Adjust the PTA
™
Feature..........................................................................................................................................29
TROUBLESHOOTING...................................................................................................................................................30
PARTS LIST.....................................................................................................................................................................34
SCHEMATIC DRAWINGS ............................................................................................................................................36
DAILY CHECKLIST FOR THE DR
®
TRIMMER/MOWER
™
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