1
PLEASE READ
Dear Customer,
Thank you for purchasing a McCulloch product. With prop-
er operation and maintenance, it will provide you with years
of service.
In order to make the best use of your investment, be
CER-
TAIN
to familiarize yourself with the contents of the
ENTIRE
user manual before attempting to operate and
maintain your unit.
Be sure to carefully follow the step-by-step instructions in
this manual to start, operate and maintain your new prod-
uct.
In the manual there will be the following call-outs:
NOTE:
,
WARNING / CAUTION
and
WARRANTY
.
A
NOTE:
is used to convey additional information, to high-
light a particular explanation, or to expand a step descrip-
tion.
A
WARNING
or
CAUTION
identifies a procedure which, if
not undertaken or if improperly done, can result in serious
personal injury and/or damage to the unit.
The
(WARRANTY SYMBOL)
serves notice that
unless instructions or procedures are followed, any dam-
age caused will void the warranty and repairs will be at
owner’s expense.
Pay particular attention to the safety precautions. They are
written for your protection and contain important informa-
tion you must know to safely operate your chain saw.
FOR WARRANTY OR SERVICE CONTACT THE NEAR-
EST AUTHORIZED SERVICE CENTER - LOCATE YOUR
NEAREST SERVICE CENTER BY CALLING THE TOLL
FREE NUMBER IN THIS MANUAL.
TABLE OF CONTENTS
1
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . .2
1-1. Specifications
2
GENERAL IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . .3
2-1. General Identification
2-2. Safety Features
3
SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3-1. What To Do
3-2. What No To Do
3-3. International Symbols
4
ASSEMBLY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . .6
4-1. “P” Handle Assembly
4-2. “J” Handle Assembly
4-3. Debris Shield
4-4. Edge Guide Wheel
4-5. Installing the Attachment
5
FUEL AND LUBRICATION . . . . . . . . . . . . . . . . . . . . . . . . . .8
5-1. Fuel
5-2. Mixing Fuel
5-3. Fuel Mixing Table
5-4. Recommended Fuels
5-5. Fuel and Lubrication Symbols
6
OPERATING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . .9
6-1. Starting a Cold Engine
6-2. To Stop Engine
6-3. Warm Engine Start
6-4. Idling/Carburetor Adjustment
7
TRIMMING INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . .11
7-1. Additional Safety Precautions
7-2. Stringhead Line Release
7-3. Trimming Procedures
8
MAINTENANCE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . .13
8-1. Replacing Cutter Line
8-2. Replacing Cutter Line - Easy Load Head
8-3. Air Filter
8-4. Fuel Cap / Fuel Filter
8-5. Carburetor Adjustment
8-6. Spark Plug
8-7. Spark Arrester Screen
8-8. Debris Shield Knife Sharpening
8-9. Storing a Unit
8-10. Removing a Unit From Storage
9
TROUBLESHOOTING THE ENGINE . . . . . . . . . . . . . . . . . .18
10 TROUBLESHOOTING THE STRINGHEAD . . . . . . . . . . . . .19
11 PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
INTRODUCTION
1 - GENERAL INFORMATION
1-1. SPECIFICATIONS
Model No. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MT3075 . . . . . . . . . . . . . . . . . . . . . . .MT30725
Engine Type . . . . . . . . . . . . . . . . . . . . . . . . . . . .Air-cooled, 2-Cycle, . . . . . . . . . . . . .Air-cooled, 2-Cycle,
. . . . . . . . . . . . . . . . . . . . . . . . . . .Chrome Cylinder . . . . . . . . . . . . . . .Chrome Cylinder
Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . .30cc / 1.8 ci . . . . . . . . . . . . . . . . . . . .30cc / 1.8 ci
Dry Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11.22 lbs. / 5.1 kg . . . . . . . . . . . . . . .11.22 lbs. / 5.1 kg
Fuel Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . .18.6 oz. / 550 ml . . . . . . . . . . . . . . . .18.6 oz. / 550 ml
Drive Shaft Length . . . . . . . . . . . . . . . . . . . . . . .48” / 122cm . . . . . . . . . . . . . . . . . . . .26”+26” / 66cm+66cm
Cutting Swath . . . . . . . . . . . . . . . . . . . . . . . . . . .17" / 43cm . . . . . . . . . . . . . . . . . . . . .17" / 43cm
Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .“P” Handle . . . . . . . . . . . . . . . . . . . . .“J” Handle
Carburetor . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Primer / Diaphragm Type . . . . . . . . .Primer / Diaphragm Type
Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Electronic . . . . . . . . . . . . . . . . . . . . .Electronic
Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Champion DJ8J or equivalent . . . . . .Champion DJ8J or equivalent
Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Clutch . . . . . . . . . . . . . . . . . . . . . . . .Clutch
2
Summary of Contents for MT3025
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