DR PRO - Introduction and Manual Conventions

Table of Contents
SAFETY INSTRUCTIONS...............................................................................................................................................5
Dress Appropriately.........................................................................................................................................................5
Preparation.......................................................................................................................................................................5
Operating the Machine Safely .........................................................................................................................................5
Safety with Gas-Powered Machines................................................................................................................................6
Warning to All California and Other Users .....................................................................................................................6
TRIMMER PARTS & COMPONENTS..........................................................................................................................7
ASSEMBLY COMPONENTS...........................................................................................................................................8
ASSEMBLY........................................................................................................................................................................9
STARTING & OPERATING..........................................................................................................................................15
Electric-Starting.............................................................................................................................................................15
Manual-Starting.............................................................................................................................................................15
Stopping the Engine.......................................................................................................................................................16
Engaging the Trimmer Head..........................................................................................................................................16
Stopping the Cords Spinning.........................................................................................................................................16
Using the Parallel Trimming Action (PTA
™
) Feature ...................................................................................................17
Cutting Cords.................................................................................................................................................................18
TRIMMING AND MOWING METHODS....................................................................................................................19
Obstacles........................................................................................................................................................................19
Using the Parallel Trimming Action (PTA
™
) Feature ...................................................................................................19
Mow-Ball
™
Support.......................................................................................................................................................20
Cutting Cords.................................................................................................................................................................20
Adjusting the Cutting Height.........................................................................................................................................21
Wagner Anti-Wrap Device............................................................................................................................................23
Heavy Growth................................................................................................................................................................23
Wet Conditions..............................................................................................................................................................24
Very Dry Conditions......................................................................................................................................................24
Slopes.............................................................................................................................................................................24
Windrows.......................................................................................................................................................................24
Firebreaks ......................................................................................................................................................................24
End-of-Season Garden Clean-Up ..................................................................................................................................24
MAINTENANCE..............................................................................................................................................................25
Regular Maintenance.....................................................................................................................................................25
Battery Care (Electric-Starting Models Only) ...............................................................................................................26
To Remove the Mow-Ball
™
Support Assembly ............................................................................................................27
To Reassemble the Mow-Ball
™
Support Assembly.......................................................................................................28
To Partially Lower the Bearing Housing Assembly (to remove debris)........................................................................29
To Check the Bearing Housing Assembly for Damage.................................................................................................29
To Remove and Replace the Bearing Housing Assembly .............................................................................................30
To Replace the Belt .......................................................................................................................................................32
To Adjust the Belt Tension through the Trimmer Control Cable ..................................................................................33
To Adjust the PTA
™
Feature .........................................................................................................................................34
TROUBLESHOOTING...................................................................................................................................................35
PARTS LIST.....................................................................................................................................................................39
SCHEMATIC DRAWINGS ............................................................................................................................................40