Be the first to review this product! This includes full colour photo instructions, drive tool and an applicator brush. The half of the clutch that is attached to the crankshaft is only retained by friction, using a captive cotter pin. Can you please describe the prob in detail, so as we may be able to help you Deejay, spot on with the cracks radiating from the engine mounting holes. I'll explain the same issue in different words - Deejay, please put me right if necessary. Had to weld the frame where the engine sits as it was cracked.
Any fine adjustment can now be achieved by the use of the screw and lock-nut, located underneath the clutch handle. Maybe my only option if the housing is past its use-by anyway? With the set screws, the one opposite the key, that bites into the crankshaft itself, means you have to file the burrs off the crankshaft each time you remove it, and you should try hard to put it back in exactly the same place each time or your crankshaft will gradually get eaten away, and then the coupling's position can drift around. It will also come in handy if you need to buy spare parts. We are a friendly bunch and we all love to learn new things and tinker here. However, the most important factor to consider when selecting a lawnmower is the type of lawn you have at home. Is there any other adjustment necessary? Enter your name: optional Enter the code below: This product hasn't received any reviews yet. At present the clutch appears to be secured hard up against the engine side.
Well, walking behind a lawnmower can be a boring exercise. The clutch then lacks clamping force even if adjusted with the adjusting nut. It may save you probs with it in future. I would be tempted to purchase a new left hand clutch housing with a new captive cotter-pin assy to suit. Thank you This includes full colour photo instructions, drive tool and an applicator brush. To fix it, undo the nut on the top of the captive cotter-pin, the nut and bolt you can see on the clutch housing, closest to the engine until the nut is just flush with the top of the pin itself, tap the nut and pin until it releases ie.
Do you suggest I give it a go?? I may just have to replace the left hand side of the clutch assembly as the lock nuts onto the engine shaft are starting to spin. Write a headline for your review here: Write your review here: Your email: We promise to never spam you, and just use your email address to identify you as a valid customer. It comes unpainted, sealed and ready for paint, no primer required. Not only do we offer a full range of spares we can also manage any repair or service that comes our way with our workshop having over 30 years experience doing cylinder grinds, services and repairs. Price include freight anywhere in Australia. Rossf, once again and I hope this has been of help. The item includes Set Screw, Engine Key and three clutch Body fastener screws and nuts.
It is painted in original hammered Scott Bonnar green. What many don't know is that a well-maintained lawn stays healthy with the manicured look. What Spare Parts Do I Need for My Scott Bonnar 45? Further advice is to double check engine shaft size before ordering. Because you have a key as well, rotational movement of the shaft is impossible; the set screw is only there to prevent axial movement. This releases the clutch spring.
Re-tighten the captive cotter pin nut which will re-secure the clutch housing to the shaft. To understand how it all works, you really should download a illustrated parts manual from the Parts and Manuals area on the main forum. How do you rate this product? Mowernut if you have a look at either of the pics in my last post you can actually notice the blackening of the paint under the front of the engine. For a complete range of spare parts you can visit our partner website All Mower Spares which has the largest range on offer Australia wide. This is where I welded from underneath after removing the engine. Apparently it is caused by engine vibration and usually is found radiating out from one or more of the engine mounting holes. Price include freight anywhere in Australia.
Sometimes this slips a bit, resulting in the clutch-half moving up against the engine. It is painted in original hammered Scott Bonnar green. Also inspect thrust bearing and shaft end for wear as these must be in good condition for the clutch to operate correctly. My 45 however, does not have the prob as the Honda is a smoother running engine and less vibration. Attached Files thats not a bad deal considering its a later model engine. Freight included in price to anywhere in Australia. It is fairly common practice with setscrew-retained shafts to dimple the shaft to give a specific axial location you can return to each time.
Remember, though, if you do that you cannot use axial adjustment of the coupling position on the shaft: you will only be able to use the screw adjustment on the clutch. Sellers on eBay offer listings in such a variety to cover all these bases. Then loosen the captive cotter pin, and lever the crankshaft-attached half of the clutch along the crankshaft until it is 1 cm from the side of the engine. It's nice to welcome another Scott Bonnar owner. Up for sale is a tub of Sharpening paste suitable for reel, roller, cylinder type mowers. There would be no chance of movement then, correct? You have correctly identified your main cause. Hi rossf, and a big warm welcome to the forum.