View and Download McCulloch 28cc illustrated parts list online. 28cc and 32cc GAS POWERED CURVED SHAFT STRING TRIMMERS. 28cc Trimmer pdf manual download. Also for: 32cc, Mt3310, Mt3311, Mac 1385l, Mac 2816, Eager beaver 282, Eager beaver 287, Promac i. Soleus air conditioner mac-12k manuals. Back to McCulloch Manuals Page Model: 400128-01 McCulloch MAC 2816 28cc 44 Inch Gas Powered Curved Shaft String Trimmer Parts and Diagrams. User manuals for 1990s yard equipment tend to be hard to find. Fortunately, the basic operating instructions for a McCulloch MAC 2816 string trimmer are similar to those of many similar gas trimmers.
Adjust the Carburetor on a Weedeater Featherlite
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User manual pdf. All Weedeater Featherlites require a carburetor adjustment from time to time. Weed wacker carbs will loose their tune because the adjustment screws may work themselves loose from vibration, fuel mixtures may slightly change or you may change the trimmer head causing a different load on the engine. Mcculloch mac 130 owners manual. The carburetor settings drastically affect the performance of your trimmer. All the weed eater trimmers use a two-stroke engine where oil is added to the fuel manually at a preset fuel to oil mixture.
To adjust your carburetor you will need to find the two fuel adjustment screws on the carburetor body. The screws are highlighted as HI and LO. Simply speaking the HI screw allows the fuel adjustment of the weedeater at full throttle. Whereas the LO screw allows the fuel adjustment when the engine is idling.
Weedeater Manual
Follow the listed steps below or watch the video to tune you Weedeater carburetor:
Mac 2816 Weed Eater
- Adust both screws clockwise until just tight using the correct tool. This will be the reference position for adjusting the carburetor.
- Rotate the HI screw one and a half full turns counter-clockwise.
- Rotate the LO screw one full turn counter-clockwise.
- Open the choke by pulling the choke level all the way out or turning it to full.
- Start the weedeater by pulling the starter cord. The engine will sound out of tune and will fail to idle by itself. therefore apply just enough throttle to keep the engine running.
- Rotate the LO screw clockwise in one-quarter turn increments checking each time if the engine is idling smoothly. when you have found the sweet position do no further adjustments.
- Apply full throttle watching the engine. If the engine is sputtering then the engine is receiving too much fuel from the carburetor. Therefore rotate the HI screw clockwise in one-quarter turn increments checking each time if the engine runs smoothly. Again when you find the sweet position do no further adjustments.