DINGODOUG Posted August 11, 2015 Share Posted August 11, 2015 I have just bought a 1954 Q4 hoselayer about which I know nothing. Does anyone have any manuals or parts lists spare or know of sources?. It is.in immaculate condition but has a charging fault. It is quite different from the Army Q4 in many ways and there is limited read across from the MOD publications. The generator doesnt seem to be producing much output and the charging light tays on. Ive cleaned the regulator contacts and flashed the field but the problem remains. Any ideas? Thanks Doug Quote Link to comment Share on other sites More sharing options...
Degsy Posted August 11, 2015 Share Posted August 11, 2015 Check the brushes and clean the commutator with emery cloth, if that has no effect then I would suggest rebuild or replacement. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted August 11, 2015 Share Posted August 11, 2015 It is quite different from the Army Q4 in many ways and there is limited read across from the MOD publications. Doug have you got any of Army publications? Army Generator Lucas C45 PV5 Regulator Lucas RB106/s Civilian Generator Lucas C45 PV-4L/O Regulator Lucas 95/2 Type L4 When I say civilian it is just that I don't know whether Home Office contracts differed. Quote Link to comment Share on other sites More sharing options...
DINGODOUG Posted August 24, 2015 Author Share Posted August 24, 2015 Doug have you got any of Army publications? Army Generator Lucas C45 PV5 Regulator Lucas RB106/s Civilian Generator Lucas C45 PV-4L/O Regulator Lucas 95/2 Type L4 When I say civilian it is just that I don't know whether Home Office contracts differed. Hi Clive, All I have is the military parts list which only covers the basics. The cooling system is different completely as is the charging system, I think the regulator is a CAV model 202 but cant see the model no of the dynamo. The charging problem is intermittent and there doesnt seem to be a cause. Quote Link to comment Share on other sites More sharing options...
DINGODOUG Posted August 24, 2015 Author Share Posted August 24, 2015 Hi Clive, All I have is the military parts list which only covers the basics. The cooling system is different completely as is the charging system, I think the regulator is a CAV model 202 but cant see the model no of the dynamo.The charging problem is intermittent and there doesnt seem to be a cause. Sorry but working from a tablet and making a hash of it. The charging light sometimes goes out and you can hear the regulator making a loud noise. The rest of the truck is in great original shape and the vacuum brakes are surprisingly good Sadly have te sell my ex-REME Morris MRA1 to make room as the Q4 has such a long body and I need the space. Regards Doug Quote Link to comment Share on other sites More sharing options...
fv1609 Posted August 24, 2015 Share Posted August 24, 2015 Doug can you take a picture of the regulator & with the cover off? It might be a comparable version of the civilian one & in that case there is a reasonable amount of fault-finding in the workshop manual I can post up. Quote Link to comment Share on other sites More sharing options...
DINGODOUG Posted October 10, 2015 Author Share Posted October 10, 2015 Doug can you take a picture of the regulator & with the cover off? It might be a comparable version of the civilian one & in that case there is a reasonable amount of fault-finding in the workshop manual I can post up. Hi Clive and thanks for the help. I think the problem has been sorted as I decided to convert back to Positive earth which I suspected was the original polarity. Once I flashed the field the system settled down and the ignition light goes out as it should. Why this happened I don't understand as I had flashed the field when it was negative earth but it made no difference. Ho hum. The truck is great to drive and has already been to one show where it was much admired even in its present scruffy state. Thanks again Doug Quote Link to comment Share on other sites More sharing options...
fv1609 Posted October 10, 2015 Share Posted October 10, 2015 Well done Doug it is very satisfying when you work through & sort it out yourself. Quote Link to comment Share on other sites More sharing options...
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