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Old 01-15-2020, 08:23 PM   #1
shiftingpassages
 
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Question Cutting into the passenger seat base

Hi everyone,

Iím currently storing a smallish auxiliary battery (that charges from a voltage sensitive relay off my my main battery) in the seat base of my passenger seat. My sprinter has the 3 seats in the front with the two passenger seats joined in a bench setup. Currently I have to remove a bunch of bolts in order to get to the battery (which I have to go get to often as it powers my amps and pedals for when Iím playing gigs). There is currently a small hole in the front of the seat base under the middle seat (but it is two small to utilise as an access). I was wondering if it would void the seats legality if I were to cut a hole in the side of the seat base that opens to the passenger door? If it were to compromise the safety or legality of the passenger seats I wonít do it and instead will continued to remove the seats every time I need to access the battery (several times a week).


Looking forward to hearing your thoughts,

Cheers

SP
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Old 01-15-2020, 10:39 PM   #2
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Default Re: Cutting into the passenger seat base

SP
Just bring out a wire with a socket/plug to power your toys. Eric
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Old 01-16-2020, 12:16 AM   #3
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Default Re: Cutting into the passenger seat base

Unfortunately, much of the time where I will be performing is often to far from my vehicle to run a lead. Hence I have to unplug the battery and bring the battery and inverter with me.
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Old 01-16-2020, 04:38 AM   #4
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Default Re: Cutting into the passenger seat base

It would take a brave person to say "yes", to cutting a large hole in the seat base.
Two quick fixes could be.

If your not carrying passengers, leave the seats removed until you do need to use the seats.
Depending on the type battery used, make an adjacent bracket/box to mount the battery in.
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Old 01-16-2020, 09:54 AM   #5
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Default Re: Cutting into the passenger seat base

I agree with Sockeye, buy a dedicated battery mounting box (caravan dealers should stock them) and mount behind the passenger seat. You may have to extend the wiring but will then make life very much easier.

You may even be able to remove the battery box still containing the battery and carry it like a suitcase if you get ingenious!

Keith.
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Old 01-16-2020, 10:41 AM   #6
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Default Re: Cutting into the passenger seat base

SP.
There are amplifiers available with a built in battery, used by sales people, make it simple for yourself. Eric.
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Old 01-18-2020, 03:26 PM   #7
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Default Re: Cutting into the passenger seat base

Super cheap have these battery packs.
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Old 01-18-2020, 04:23 PM   #8
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Default Re: Cutting into the passenger seat base

In Sprinters that come from MB with access panels for that area, the "hole" is surrounded by bent metal to increase the strength of the entire metal wall.

So you are correct/wise to ask about the loss of strength by simply cutting a hole.

What you could do is cut your hole, then surround it with a stiff frame (square aluminum or steel bar stock), with many attachment points (i.e. screws) to the sheet metal around the hole (or weld it, if steel). Such a frame would restore (or enhance) the strength of the pedestal's wall.

The "corners" of the hole should be "radiused" cuts instead of sharp angles ... in other words drill the corners first (half-inch diameter?) and then do the straight cuts between the 4 holes. The rounded corners help prevent tearing of the metal under severe stress.

--dick
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Old 01-23-2020, 08:36 PM   #9
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Default Re: Cutting into the passenger seat base

Quote:
Originally Posted by autostaretx View Post
In Sprinters that come from MB with access panels for that area, the "hole" is surrounded by bent metal to increase the strength of the entire metal wall.

So you are correct/wise to ask about the loss of strength by simply cutting a hole.

What you could do is cut your hole, then surround it with a stiff frame (square aluminum or steel bar stock), with many attachment points (i.e. screws) to the sheet metal around the hole (or weld it, if steel). Such a frame would restore (or enhance) the strength of the pedestal's wall.

The "corners" of the hole should be "radiused" cuts instead of sharp angles ... in other words drill the corners first (half-inch diameter?) and then do the straight cuts between the 4 holes. The rounded corners help prevent tearing of the metal under severe stress.

--dick
I would have the discussion with an engineer and ask if he would sign off on the modification it may save you a costly discussion with an insurance assessor later.
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