DAF 46 Drivebelt tension...

dolomatt
New Member

Posts: 20

DAF 46 Drivebelt tension... Sept 20, 2014 17:49:22 GMT

Quote

Post by dolomatt on Sept 20, 2014 17:49:22 GMT

Evening!
Am still playing about with the Vario on our 46 estate.. Have fitted a new Roulands belt from the DAF OC, Its a very tight fit, with the adjuster fully off the minimum gap i can get between the secondary pulley halves is around 3mm... I told its supposed to be 1mm, but there is just no more adjustment to acheive that. Will it be ok? Im assuming the new belt will wear in a bit, and most likely the gap will come right after some use,. maybe?
Thanks guys

Matt.

33grinder Administrator CHPD* sufferer (*Compulsive Heap Purchasing Disorder) Posts: 1,827	DAF 46 Drivebelt tension... Sept 21, 2014 9:40:11 GMT via mobile Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by 33grinder on Sept 21, 2014 9:40:11 GMT I think 3mm should be ok. Iirc DAF released a bulletin revising recommended gaps as belts were being overtightened. I'm sure Mr Plaxton can confirm.

macplaxton Technical Advisor Posts: 1,373	DAF 46 Drivebelt tension... Sept 21, 2014 13:42:15 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by macplaxton on Sept 21, 2014 13:42:15 GMT 1.5 to 2.0 mm should be the gap. Make sure secondary is fully forward for fitting and adjuster is slackened fully.
	1972 DAF 44 Estate. Just the one DAF, honest.

Nick
Moderator

Crop Duster

Posts: 1,067

DAF 46 Drivebelt tension... Sept 21, 2014 21:09:24 GMT

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Post by Nick on Sept 21, 2014 21:09:24 GMT

had same problem with mine and I believe that when Paul fitted Joes belt he had an even larger gap, not rechecked mine yet but will report back, obviously they will settle a bit when they are first used so I suspect it will be fine

Skype me rottie007

Tuning Data
Model	Plugs gap	Points gap	Timing	In. valve	Ex. valve	Idle
33-> Jul'71	0.8mm	0.5mm	6 BTDC	0.1mm	0.15mm	725
33 Jul'71->	0.8mm	0.5mm	5 ATDC	0.1mm	0.15mm	900
44-> Jul'71	0.8mm	0.5mm	6 BTDC	0.1mm	0.15mm	725
44 Jul'71->	0.8mm	0.5mm	5 ATDC	0.1mm	0.15mm	900
55	0.6mm	0.5mm	TDC	0.15mm	0.20mm	700
55 Marathon	0.7mm	0.5mm	TDC	0.15mm	0.20mm	700
66 all 1108cc	0.7mm	0.5mm	TDC	0.15mm	0.20mm	725
66 1289cc	0.7mm	0.5mm	6 BTDC	0.15mm	0.20mm	725

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DAF 46 Drivebelt tension...

Post by dolomatt on Sept 20, 2014 17:49:22 GMT

Post by 33grinder on Sept 21, 2014 9:40:11 GMT

Post by macplaxton on Sept 21, 2014 13:42:15 GMT

Post by Nick on Sept 21, 2014 21:09:24 GMT