Petrol Chainsaws MCS25, MCS38, MCS46, MCS52, YR4503 Owner’s Manual Important Please read this Owner’s Manual and the Express Warranty before using this product. The Warranty does not cover damage due to misuse or failure to follow the operating and installation instructions Keep the instructions in a safe place for future use. This manual covers the Morrison MCS25, MCS38, MCS46, MCS52 and YR4503 Petrol Chainsaws. www.morrisonoutdoor.com Part No: 542037.F.
Contents SYMBOLS ON THE MACHINE 3 SYMBOLS IN THIS OWNER’S MANUAL 4 PROPER USE 4 SAFETY INSTRUCTIONS 4 LOCATION OF PARTS 5 ASSEMBLING THE GUIDE BAR AND SAW CHAIN 5 Symbols on the Machine Do not operate this machine before it has been assembled correctly and you have read and understood these instructions. Warning / Caution! Please read the instruction manual carefully. These instructions are intended as a general guide and do not supersede national or local codes in any way.
of strong or gale force winds, or at any other time when weather conditions might make it unsafe to use this product. E. When using this product for the first time, before beginning actual work, learn to use it from a skilled worker. F. Lack of sleep, tiredness, or physical exhaustion results in lower attention spans, and this in turn leads to accidents and injury.
engine. Mix a regular 91 octane gasoline (leaded or unleaded, alcohol free) and a quality proven motor oil for air cooled 2 cycle engines. Open the box and assemble the guide bar and the saw chain on the power unit as follows: Note: For 45, 46 & 52 models assemble spike first. Spike is not needed for models S25 & 38. Recommended mixing ratios: Models MCS25, MCS38, MCS46, MCS52 and YR4503 Engine Condition Gasoline to Oil Up to 20 hours use 25:1 WARNING! The saw chain has very sharp edges.
Model MCS38 ‘H’ Needle: Sawing – ± ‘L’ Needle: 1 – ± Model MCS25 ‘H’ Needle: 1 – ± ‘L’ Needle: 1 – ± Model MCS45 ‘H’ Needle: 1 – ± ‘L’ Needle: 1 – ± WARNING! • Before proceeding to your job, read the ‘Safety Instructions’ section at the beginning of this Manual. It is recommended to first practice sawing easy logs. This also helps you get accustomed to your machine. • Always follow the safety regulations. The chainsaw must only be used for cutting wood.
Maintenance of the Saw Chain and Guide Bar Trouble shooting SAW CHAIN Engine does not start Make shoulder rounded. Make sure every cutter has the same length and edge angles as illustrated. WARNING! It is very important for smooth and safe operation to always keep the cutters sharp. Your chain saw cutters need to be sharpened when. • Sawdust becomes powder like. • You need extra force to saw. • The cut way does not go straight. • Vibration increases. • Fuel consumption increases.
Check oil is of specified quality. Replace with correctly specified oil If the chainsaw seems to need further service, please consult with an authorised service agent in your area. Additional problems Specifications Symptom Possible Cause Remedy Poor Acceleration. Clogged air cleaner element. Clean the element. Clogged fuel filter. Replace the fuel filter as required. Carburettor mixture too lean. Return chainsaw to the dealer. Dimensions Idle speed set too low. Adjust: Refer to specs pg.
Morrison, a division of Masport Limited 1-37 Mt Wellington Highway Panmure Auckland 1060 New Zealand P: 0800 627 767 (New Zealand) P: 1300 366 225 (Australia) Copyright © 2017 Morrison
