Can't find anywhere in my SVA manual that talks about the spacing of the 'P'clips/zip ties etc. that secure the wiring.
I've done my brakes and fuel line at 150mm so I'm doing the same for the wiring. Anyone got any reasons to change this? (like the page
number in the manual that says what it should be! )
Thanks,
James
AFAIK they are the same distance apart, i think it's less than 300mm so 150 centres are fine
Jason
Section 15.2 says:
Secured at intervals of not less than 300mm unless in a hollow component.
Checks are for:
Security
Insulation
Positioning
Capacity
Fail points:
adhesive tape or pads are a no no.
dont run with the fuel lines.
not near the exhaust ( Insulation damage - heat problems)
no Chafing.
Too thin wires ie inadequate for the loading.
no bare wires (short circuit hazard)
not subject to corrosive environment.
Not securely clipped to the vehicle
Personally I would stick to 150mm like you say. ie well fixed.
quote:
Originally posted by wilkingj
Section 15.2 says:
Secured at intervals of not less than 300mm unless in a hollow component.
Ok, sounds like mine's fine then as I'll pass on all the points that are mentioned.
I've used sticky pads but they're riveted aswell so should be ok (and I'm willing to cut the zips to prove the rivets exist!)
hopefully.
My front, rear and engine looms are all sleeved in PVC(?) tubing. The centre/instrument loom is not sleeved. I presume it's ok to use zip ties
against the wires themselves? There's no sensible way I could sleeve the middle loom as it's too complex. Or should I wrap the centre loom
in PVC tape where it's held by the zip?
Cheers,
James
Rivetting the adhesive bases on is OK.
Im sure the rule of thumb is that if an OEM does it then its OK for SVA. i think the inspectors like to see a factory or better finish. Car looms tend
to be wrapped under the dash and secured with ties. Ive seen se7ens pass with the wires tied to the chassis etc. A bit of tape wont go a miss as itll
prevent chaffing with the vibration. Can you fit spirwrap or is the loom too thick at that point.
I think id take a chance with tape. Stops it looking like a rats nest. Im sure you will make it secure.
A tip not directly related is that if there are any areas not easily visible by the inspector, take some pics just in case he wants to see. This might
be usefull for under dash area and clips in the tranny tunnel. (Dad had to go back with tunnel easily removeable for inspection at Gosforth near
Newcastle).
[Edited on 27/5/05 by DarrenW]
quote:
Originally posted by DarrenW
Car looms tend to be wrapped under the dash and secured with ties. Ive seen se7ens pass with the wires tied to the chassis etc. A bit of tape wont go a miss as itll prevent chaffing with the vibration. Can you fit spirwrap or is the loom too thick at that point.
[Edited on 27/5/05 by DarrenW]
There are different types of insulating tape. Some are more stretchy. Ihave heard of proper wiring tape. Hopefully someone can explain and advise
source. ive always used insulating tape to wrap hi-fi looms on my old cars but ive heard of people having SVA problems. I think this is more when it i
sused in external areas where the environment can effect its performance and leave wires to come loose. It may be oK in a protected area like under
dash, especially as you will only use it to hold the wiring together for neatness then use planty of cable ties to secure it. Even if the tape started
to lose stick the ties woiuld hold it in place - it adds another mechanical barrier.
im sure ive seen OEM looms wrapped and then covered with a foam sleeve - not sure what that is for. Might be worth taking a look at the breakers
(photos as well for the SVA discussion??)
I've seen the foam too, I reckon it's to stop rattling/buzzing
Bob
quote:
Originally posted by DarrenW
There are different types of insulating tape. Some are more stretchy. Ihave heard of proper wiring tape. Hopefully someone can explain and advise source. ive always used insulating tape to wrap hi-fi looms on my old cars but ive heard of people having SVA problems. I think this is more when it i sused in external areas where the environment can effect its performance and leave wires to come loose. It may be oK in a protected area like under dash, especially as you will only use it to hold the wiring together for neatness then use planty of cable ties to secure it. Even if the tape started to lose stick the ties woiuld hold it in place - it adds another mechanical barrier.
im sure ive seen OEM looms wrapped and then covered with a foam sleeve - not sure what that is for. Might be worth taking a look at the breakers (photos as well for the SVA discussion??)