Honda UMK431 User Manual

CONTENTS
TRIMMER SAFETY ............................................ 4
IMPORTANT SAFETY INFORMATION .......................... 4
ATTACHMENTS
& MODIFICATIONS .............................. 5
Attachments ............................................................................ 5
IMPORTANT MESSAGE TO EMPLOYERS
5
Modifications 5
SAFETY LABEL LOCATIONS
.......................................... 6
...........................................................................
...................
RECOMMENDED CUTTING ATTACHMENTS ... 7
CUTTING-LINE HEADS AND SHIELD ........................... 7
Manual-Feed Cutting-Line Head
............................................ 7
Semiautomatic (bump-feed) Cutting-Line Head
..................... 7
BLADES AND SHIELD
..................................................... 8
Grassweed Blades ............................................................... 8
Weed/Brush Blades
................................................................ 8
Brushwood Blades
................................................................ 8
Brushwood Blade Cover Installation and Removal
............... 9
CUTTING ATTACHMENT APPLICATIONS
.................... 9
CONTROLS & EQUIPMENT ............................ 10
COMPONENT & CONTROL LOCATIONS ................... 10
CONTROLS
................................................................... 11
Choke Lever
......................................................................... 11
Ignition Switch
...................................................................... 11
Operator Presence Lever
..................................................... 11
Throttle Trigger
..................................................................... 11
Throttle Set Button
............................................................... 12
Priming Bulb
......................................................................... 12
Recoil Starter Grip
................................................................ 12
EQUIPMENT
.................................................................. 13
Shoulder Harness
................................................................. 13
Safety Glasses
..................................................................... 13
BEFORE OPERATION ..................................... 14
ARE YOU READY TO OPERATE THE TRIMMER? ........ 14
Knowledge
............................................................................ 14
Physical and Mental Readiness
........................................... 14
Protective Clothing
............................................................... 14
IS YOUR WORKING AREA READY? ............................ 14
IS YOUR TRIMMER READY TO GO? ........................... 15
Safety Inspection
.................................................................. 15
Cutting Attachment Inspection
............................................. 15
ARE YOUR SHOULDER HARNESS AND
Maintenance Inspection 15
TRIMMER CORRECTLY ADJUSTED?
.......................... 16
Adjusting the Harness
.......................................................... 16
Balancing the Trimmer on the Shoulder Harness
................. 16
.......................................................
OPERATION ..................................................... 17
SAFE OPERATING PRECAUTIONS ............................. 17
STARTING THE ENGINE
.............................................. 17
STOPPING THE ENGINE
.............................................. 19
TRIMMER/HARNESS QUICK DISCONNECTION
........ 19
TRIMMER OPERATION
................................................. 19
Operating Position
................................................................ 19
Throttle Operation
................................................................ 20
Using a Nylon Cutting-Line Head
......................................... 20
Using Blades
........................................................................ 21
SAFE OPERATING PRACTICES
.................................. 21
Thrown Debris ...................................................................... 21
Blade Thrust (Kickback)
....................................................... 22
OPERATING TIPS
......................................................... 22
Scything
................................................................................ 22
OPERATION(continued)
Trimming and Edging ........................................................... 23
Brush Clearing
...................................................................... 23
Operation on Slopes
............................................................. 23
SERVICING YOUR HONDA TRIMMER ........... 24
THE IMPORTANCE OF MAINTENANCE ..................... 24
MAINTENANCE SAFETY
.............................................. 24
MAINTENANCE SCHEDULE
......................................... 25
ENGINE .......................................................................... 26
Engine Oil Level Check
........................................................ 26
Engine Oil Change
............................................................... 26
Engine Oil Recommendations
.............................................. 27
Air Filter Inspection
............................................................... 27
Air Filter Cleaning
................................................................. 27
Spark Plug Service
............................................................... 28
Spark Arrester Service
......................................................... 29
Cooling Fin Inspection
.......................................................... 30
Throttle Cable Inspection
..................................................... 30
Throttle Cable Adjustment
.................................................... 30
FUEL SYSTEM
.............................................................. 31
Refueling
.............................................................................. 31
Fuel Recommendations
....................................................... 31
Fuel Filter and Fuel Tank Cleaning
...................................... 32
CUTTING ATTACHMENTS
............................................ 33
Cutting-Line Heads
............................................................... 33
Blades
................................................................................... 39
STORAGE ........................................................ 41
STORAGE PREPARATION ........................................... 41
Cleaning
............................................................................... 41
Fuel
....................................................................................... 41
Engine Oil
............................................................................. 42
Carburetor
& Air Cleaner ...................................................... 42
Blade
.................................................................................... 42
Engine Cylinder
.................................................................... 42
STORAGE PRECAUTIONS
........................................... 42
REMOVAL FROM STORAGE
........................................ 42
TRANSPORTING ............................................. 43
TAKING CARE
OF UNEXPECTED PROBLEMS .... 44
STARTING PROBLEMS ................................................ 44
ENGINE OPERATING PROBLEMS
............................... 44
CUTTING HEAD PROBLEMS
........................................ 45
TECHNICAL & CONSUMER INFORMATION ... 46
TECHNICAL INFORMATION ......................................... 46
Serial Number Locations
...................................................... 46
Carburetor Modification for High Altitude Operation
............. 46
Oxygenated Fuels
................................................................ 47
Emission Control System Information
.................................. 48
Air Index
............................................................................... 49
Specifications
....................................................................... 50
CONSUMER INFORMATION
........................................ 52
Honda Publications
.............................................................. 52
Warranty Service Information
............................................... 52
QUICK REFERENCE
INFORMATION ....................... Inside back cover
3

Honda UMK431 Specifications

General

Brand	Honda
Model	UMK431
Category	Trimmer
Language	English