Mcculloch Corporation Power Mac 310 Manual

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The McCulloch Power Mac 310 chain saw is a somewhat vintage model. It was new about the same time the first personal computers came on the market, in the mid 1980s. Like most chain saws, it has three carburetor adjustment screws, and chances are good that they need adjusting. It's a fairly simple matter to set the idle and low-speed screws, but setting the high-speed screw is challenging and shouldn't be attempted without a tachometer. Without one, it's simple to set the fuel mixture too lean and burn out the motor.

Jul 11, 2013  McCulloch chain saw manuals User manuals: - McCulloch CS 340 Chain. McCulloch Power Mac 310 / 320 / 330 Chain Saw - McCulloch Powermac Plus 1800 Chain. I haven't come across any manuals for that model. The McCulloch site doesn't list anything, either. If I find a manual, parts list, or other documentation, I'll post it here. McCULLOCH SUPPORT AND SERVICE. McCulloch products are built for reliable performance, year after year. But they do need care and maintenance, sometimes new parts, in order to function properly. To find out what you need to do, download our user manuals or watch our helpful service videos. Many common questions are also answered in the FAQ. McCulloch Power Mac 310 320 330 340 User Manual Download. McCulloch 310 Chainsaw That won't start yet! Buckin' Billy Ray Smith 29,186 views. Mac 335 McCulloch Chainsaw Oil Pump. The policy of McCulloch Corporation is one of continual Improvement in design, manufacturing and engineering advancement wherever possible to assure still finer two-cycle power tools. Hence, specifications, equip-ment, colors, design and manufacturer’s suggested list prices are subject to change without notice and McCul.

McCulloch and Eager Beavere chain saws are identified by a model number (in this instance, 600041, 600046, etc. ) followed by a suffix number (01, 02, etc.) stamped on the identification plate attached to the saw. JANUARY 1987 Suffix letters denote variations in parts or assemblies in the manufacture of the saw. View and Download McCulloch Power Mac 310 owner's manual online. Power Mac 310 Chainsaw pdf manual download. Also for: Power mac 320, Power mac 340, Power mac 330. Jan 02, 2016  McCulloch Power Mac 310 320 330 340 User Manual Download.

1

Remove the air box cover from the left side of the McCulloch Power Mac 310 chain saw by using a Phillips screwdriver to remove its single screw. The chain saw's left side is the side that is on your left when you operate the chain saw. Remove the air filter, and clean it with compressed air. If you can't clean it, then replace it.

2

Drain fuel from the chain saw's fuel tank, and replace it with fresh, high-octane gasoline mixed with two-cycle engine oil at a ratio of 40 parts gasoline to 1 part oil. Fill the fuel tank completely with the mixture. Otherwise, the engine might run too rich the next time you fill the tank.

3

Start the chain saw's engine, and let it warm up for about five minutes. If the carburetor is so far out of adjustment that the engine won't start, turn both the high-speed screw -- H -- and low-speed screw -- L -- clockwise as far as they will go, using a flat-head screwdriver, then turn them counterclockwise by 1 1/2 turns.

4

Turn the idle screw -- I -- clockwise until the chain starts to spin, then turn it counterclockwise slightly. Adjust the screw to find the highest setting possible without making the chain spin. Check the setting by holding a digital tachometer over the spark plug. It should read between 2,700 and 2,900 rpm.

5

Turn the low-speed screw clockwise until the engine begins to race, and make a note of that position of the screw. Turn the low-speed screw counterclockwise until the engine begins to stall, and note that position of the screw. The final setting is midway between those two positions. This adjustment may throw off the idle adjustment, and so resetting it may be necessary.

6

Engage the throttle, and while the saw is running at full speed, turn the high-speed screw clockwise until the engine races and the motor sounds thin. Turn the high-speed screw counterclockwise until the motor takes on a lustier gurgling sound without losing power. Check the engine speed with the digital tachometer. It should be fewer than 13,000 rpm.

7

Readjust both the low-speed screw and idle screw.

Things You Will Need

Mcculloch 310 Chainsaw Manual

  • Phillips screwdriver
  • Compressed air
  • New air filter (optional)
  • High-octane gasoline
  • Two-cycle engine oil
  • Flat-head screwdriver
  • Digital tachometer

Tip

Manual
  • The clutch should engage the saw's chain by the time the engine reaches a speed of 3,800 rpm.
Mcculloch Corporation Power Mac 310 Manual

Warning

  • Keep people and pets out of the area when making the adjustments because the chain may spin unexpectedly.

References (2)

About the Author

Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. As a landscape builder, he helped establish two gardening companies.

Mcculloch

Mcculloch Power Mac 310 Carburetor

Photo Credits

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Cite this Article
Choose Citation Style
Deziel, Chris. 'How to Adjust the Carburetor on a McCulloch Chain Saw Model 310.' Home Guides | SF Gate, http://homeguides.sfgate.com/adjust-carburetor-mcculloch-chain-saw-model-310-101690.html. Accessed 25 August 2019.
Deziel, Chris. (n.d.). How to Adjust the Carburetor on a McCulloch Chain Saw Model 310. Home Guides | SF Gate. Retrieved from http://homeguides.sfgate.com/adjust-carburetor-mcculloch-chain-saw-model-310-101690.html
Deziel, Chris. 'How to Adjust the Carburetor on a McCulloch Chain Saw Model 310' accessed August 25, 2019. http://homeguides.sfgate.com/adjust-carburetor-mcculloch-chain-saw-model-310-101690.html
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