Posted by jdemaris on August 08, 2013 at 17:25:44 from (70.215.1.170):
In Reply to: Re: B275 diesel posted by Glenn D on August 08, 2013 at 16:24:52:
All the early ones are bad cold starters. Put some "fast heat" Mercedes car type glow plugs in it and it will start like a new tractor (big difference). A cheap and easy fix. Mercedes 190D car had the same awful glow plugs and system as the B275 - so Mercedes and Bosch came up with a nice upgrade for the system.
Early B275 diesels use model DES CAV inline injection pumps with a air throttle and air governor. There's a butterly valve in the air intake manifold that is hooked via an air-line to the back of the injection pump (big air diaphram inside there). The "pump" is basically a box with an oil sump, five lobe camshaft, and four separate plunger injection-pumps riding on top. Also has a fuel transfer pump bolted to the side of it. I have two 1960s with that air-governor setup. Newest one is serial # 16195.
I also have a 1961 B275 (#31537) and that has the more coventional rotary CAV distributor pump with a centrifugal governor.
Last time I checked parts prices (in England) for a full inline rebuild, it is as thus:
4pcs Element 7033-462H @ £15.00 each.............. £60.00 Spaco 2076 4pcs D valve 7033-359 @ £6.50 each................ £26.00 Spaco 2044 Delphi 92244 4pcs D valve seal. 5936-22 @1.50 each.....................£6.00 Spaco 1573 4pcs D valve Holder 7032-3 @ £10.50.......................£42.00 Spaco 1913 Carriage.......................................... ...................................£8.50 Total Invoice........................................... .........................£142.50 We also have the governor diaphragm @ £20.00 if required peterslaterfie2000@yahoo.co.uk
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