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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Bobcat 632 - Blown Head Gasket?
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<blockquote data-quote="bobcatzack" data-source="post: 124442" data-attributes="member: 22200"><p>A quick update -</p><p>Wanted to tackle removal/fixing/reinstall of the exhaust manifold at a later stage.</p><p>For now I was able to put the parts together, connected the wiring, figured a way to provide power to the coil for ignition (with a switch), pulled the engine back out to the garage, extended the fuel line and connected to fuel pump, connected the battery and tried to see if it starts. Unfortunately, there is something going on that I cannot figure out - it cranks and wants to start, but just wouldn't (video posted below). I must have messed around for couple hours tinkering with the distributor position (rotating slightly either ways) thinking the timing must be off, but to no avail. Fuel line was extended with a pipe joint, perhaps not enough fuel is being pumped? I did inadvertently tinker with the idle speed screw on the carburetor, wonder if that is causing it to not continue to run? The carburetor is dripping quite a lot of gas from the air intake opening. Also when I had installed the piston rings, I had forgotten to check if the rings gaps were not lining up on top of each other, would that cause it to not start? I checked for spark in all the plugs - looks like good spark in each. Oil is good level - I don't see any leakage, except slightly around the camshaft cover. Would the valves need adjusting? I do see slightly dark smoke that comes out the exhaust .. oil burning? Any ideas or thoughts or suggestions would be highly appreciated!!</p><p></p><p>* tomorrow morning I will also get the compressor readings on all four cylinders and post it here.</p><p></p><p></p><p></p><p>[MEDIA=youtube]yrss5Dh5xhU[/MEDIA]</p></blockquote><p></p>
[QUOTE="bobcatzack, post: 124442, member: 22200"] A quick update - Wanted to tackle removal/fixing/reinstall of the exhaust manifold at a later stage. For now I was able to put the parts together, connected the wiring, figured a way to provide power to the coil for ignition (with a switch), pulled the engine back out to the garage, extended the fuel line and connected to fuel pump, connected the battery and tried to see if it starts. Unfortunately, there is something going on that I cannot figure out - it cranks and wants to start, but just wouldn’t (video posted below). I must have messed around for couple hours tinkering with the distributor position (rotating slightly either ways) thinking the timing must be off, but to no avail. Fuel line was extended with a pipe joint, perhaps not enough fuel is being pumped? I did inadvertently tinker with the idle speed screw on the carburetor, wonder if that is causing it to not continue to run? The carburetor is dripping quite a lot of gas from the air intake opening. Also when I had installed the piston rings, I had forgotten to check if the rings gaps were not lining up on top of each other, would that cause it to not start? I checked for spark in all the plugs - looks like good spark in each. Oil is good level - I don’t see any leakage, except slightly around the camshaft cover. Would the valves need adjusting? I do see slightly dark smoke that comes out the exhaust .. oil burning? Any ideas or thoughts or suggestions would be highly appreciated!! * tomorrow morning I will also get the compressor readings on all four cylinders and post it here. [MEDIA=youtube]yrss5Dh5xhU[/MEDIA] [/QUOTE]
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General Bobcat Skidsteer Forum
Bobcat 632 - Blown Head Gasket?
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