Morrison MCS25 Owner's Manual
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Morrison MCS25 Owner's Manual

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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 N
: 542037.F.0
o

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Summary of Contents for Morrison MCS25

  • Page 1 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 N : 542037.F.0...

  • Page 2: Table Of Contents

    Contents SYMBOLS ON THE MACHINE SYMBOLS IN THIS OWNER’S MANUAL PROPER USE SAFETY INSTRUCTIONS LOCATION OF PARTS ASSEMBLING THE GUIDE BAR AND SAW CHAIN FUEL AND CHAIN OIL SPECIFICATIONS CHAIN OIL OPERATING THE ENGINE CHAIN BRAKE SAWING MAINTENANCE MAINTENANCE OF THE SAW CHAIN AND GUIDE BAR TROUBLE SHOOTING SPECIFICATIONS...

  • Page 3: Symbols On The Machine

    Do not operate this machine before Symbols on the Machine it has been assembled correctly and you have read and understood Warning / Caution! these instructions. Please read the instruction manual carefully. These instructions are intended as Wear ear protection! a general guide and do not supersede national or local codes in any way.

  • Page 4: Symbols In This Owner's Manual

    when weather conditions might make it unsafe to use Symbols in this Owner’s Manual this product. E. When using this product for the first time, before beginning actual work, learn to use it from a skilled worker. Threatening hazard or hazardous situation. F.

  • Page 5: Location Of Parts

    Pinching MCS25 Fuel Tank is at the rear the saw chain along the top of the guide bar may MCS25 Engine Switch is at the right hand front of push the guide bar rapidly back handle assembly towards the operator.

  • Page 6: Fuel And Chain Oil Specifications

    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 WARNING! Engine Condition Gasoline to Oil The saw chain has very sharp edges. Use thick...

  • Page 7: Operating The Engine

    Fill fuel and chain oil tanks respectively medium speed and see if excessive chain and tighten the caps securely. oil is thrown off onto the ground. For models MCS25 & 38 Adjusting the Chain oil output. Continuously push the priming Fuel...

  • Page 8: Chain Brake

    chain saw as a lever for lifting, moving or splitting objects. 2. Start the engine and allow it to warm up at half-throttle. Do not lock it over fixed stands. Never hitch tools or devic- 3. Turn the ‘L’ needle slowly clockwise to find a position es to the P.T.O.

  • Page 9: Maintenance

    PERIODICAL SERVICE CHECKS top one third and finish by sawing up from the bottom 1. Cylinder fins. Dust clogging between the cylinder fins will cause overheat- ing of the engine. Periodically check and clean the cylinder fins after removing the air cleaner and the cylinder cover. When installing the cylinder cover, make sure that switch Cutting a limb of fallen tree.
  • Page 10 • Use a round file of proper size for your chain. Side plate angle 85˚ Model MCS25 Chain: 91VG File size: 5/32” (4.0 mm) Model MCS38 Chain: 91VG File size: 5/32” (4.0 mm) Model MCS46 Chain: 21VB File size: 3/16 ” (4.76 mm) Model MCS52 Chain: 21VB File size: 3/16 ”...

  • Page 11: Trouble Shooting

    Trouble shooting Engine does not start What to Check Possible Cause Remedy Does the engine crank? Faulty recoil starter. Return chainsaw to dealer Fluid in the crankcase. Internal damage. Good compression? Loose spark plug. Excess wear on cylinder, Tighten and re-test. Return unit to piston, rings dealer Does the tank contain fresh fuel...
  • Page 12 Additional problems 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. Idle speed set too low. Adjust: Refer to specs pg. 12. Engine stops abruptly.

  • Page 13: Specifications

    Specifications Model MCS25 MCS38 MCS46 MCS52 YR4503 Power Unit Dimensions 265l x 220h x 220w 370l x 235h x 270w 410l x 235h x 265w 410 x 235h 265w 410l x 235h x 265w Engine: Two stroke air cooled petrol/oil engine, vertical cylinder.
  • Page 16 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...

This manual is also suitable for:

Mcs38Mcs46Yr4503Mcs52

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