So, this made me decide to put in an oil cooler, and an oil thermostat, with the following results At 70 m. I bought the Hyde oil cooler, which is quite trick, but doubtless the local Japanese scrap shop will provide a cheaper one. Don't skimp on the oil lines - eggs fry well at the temperature the oil reaches - get proper oil line hose which is marked for the purpose. I bought the thermostat from Tony Hayward in the U.
One pipe required a right angle bend. To round it all off, I fitted a car accessory temperature gauge on a nice stainless panel which also moved the front of the Mk. Alan Lewer galanl actrix. The Norton Owners Club Limited. Registered in England No. VAT Reg No Norton Owners Club. Search Search. User account menu Log in. Oil Pressure. A review of correspondence from NOC-L A discussion on the oil pressure to be expected on a Commando and the merits or otherwise of fitting an oil pressure gauge What is the typical oil pressure on a Commando?
Paul O'Neil hudson29 aol. Aug Oil pressure gauges on Commandos tell you very little If you read the appropriate section in the Service Notes you'll find the opinion that use of such a gauge is somewhere between a bad and terrible idea. John S. Morris jsm mediaone. Aug Typical Commando oil pressures I have used an oil pressure gage on my cc Commando for the past eight years.
Captain Commando us aol. Aug Oil pressure gauges are of some use I beg to differ with John S. Gary Slabaugh gdslabaugh sprintmail.
Aug To gauge or not to gauge? Aug Are these oil pressure readings typical? Sep Higher oil pressures than others have reported; possible reasons for low pressure I broke in a fresh motor with a pressure gauge attached, fed from the l.
Klaus Kaak kaak inforamp. Sep More possible causes of low oil pressure It sure sounds like something is wrong; with Paul O'Neil's oil pressure; it is way too low. Sep These lower pressures are not unusual!! Morris jsm mediaone.. Sep Some observations on oil pressure variation with temperature Some time ago I fitted an oil pressure gauge.
So, this made me decide to put in an oil cooler, and an oil thermostat, with the following results:- Constant 65 m. Active forum topics Fitting damper tubes to long roadholders Electra frame assembly Why no overdrive 5 speed cluster.? We had a Boyer, so out comes the sensor plate and magnetic rotor underneath. The Boyer plate has an M8x1 internal thread, so with a little shop work you can make a tool to remove the plate easily.
I had the special tool so I used it instead of the bolt and spacer. In either case, you are pushing against the recessed end of the cam to release the taper holding the rotor in place. Disconnect the oil line to the rocker boxes and let it drain into a small container. There are two copper washers on this junction, be sure to anneal them to red hot with a propane torch before reusing them.
After the points plate and shift lever are out of the way, remove the timing cover screws. Carefully clean any gasket residue from the crankcase and timing cover. Once the cover is off this job can branch in two directions. This picture is of the cover before modification.
The first modification is to redirect the pressure relief valve back to the sump rather than back to the input side of the oil pump. This does away with a back channel for oil to seep into the sump. As a part of this modification, you must plug the oil passage in the crankcase with the supplied set screw and some loctite. The crankcase is already threaded for this set screw.
Screw it in until it is just below the sealing face of the crankcase. The second modification is the check valve on the pressure side of the oil pump. A light spring holds this ball against the pump output to stop oil from leaking down from the oil tank through the pump. Provide a thorough cleaning and reassemble as per the factory recommendations.
The only method I know of checking the pressure setting is with an oil pressure gauge attached. Oil Pressure Release Valve: The hexagonal post inside the timing cover contains the pressure release valve. Unscrewing the first hexagon removes the spring and plunger. The second hexagon forms the body and when overhauling, this should be unscrewed for cleaning the screen attached to it. Fastback after Serial Number - Frame Number Pressure release body assembly. The Norton Owners Club Limited.
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