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Volvo 242DL '84 jumping the air compressor?

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
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Dome
Posts: 45
Joined: 15 August 2011
Year and Model: 850 Turbo 1995
Location: Los Angeles

Volvo 242DL '84 jumping the air compressor?

Post by Dome »

Does anyone knows how to jump the compressor on a 1984 Volvo 242DL?

I have taken some photos and posted below to make things easier.
I have seen a compressor jumped during a re charge but I'm not sure where to do it from on my 240 :?:

I believe one needs to bypass low pressure switch which I am thinking is on the receiver drier as photographed?

Thanks.
Attachments
Photo taken from front of car. This image also shows the high side (small diameter hose) and the low side (large diameter hose) of the compressor on my 242DL as there are so many posts asking for this information. See hoses behind compressor in the picture above.
Photo taken from front of car. This image also shows the high side (small diameter hose) and the low side (large diameter hose) of the compressor on my 242DL as there are so many posts asking for this information. See hoses behind compressor in the picture above.
Compressor_front.jpg (246.9 KiB) Viewed 411 times
Behind compressor
Behind compressor
volvo242dl_behind compressor.jpg (144.89 KiB) Viewed 411 times
Receiver drier. This is the low pressure switch.
Receiver drier. This is the low pressure switch.
Accumulator.jpg (220.01 KiB) Viewed 411 times
Last edited by Dome on 14 Jan 2012, 21:42, edited 3 times in total.
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Dome
Posts: 45
Joined: 15 August 2011
Year and Model: 850 Turbo 1995
Location: Los Angeles

Post by Dome »

From some research the pressure switch basically needs to be bypassed. The pressure switch is protecting the system so the refrigerant needs to be filling one the pressure switch wiring is jumpered of bridged. I assume I would just bridge the wires that connect to the pressure switch to run the compressor to pump the refrigerant / oil through.
Attachments
Simple relay jumper.
Simple relay jumper.
Relay_Jumper.jpg (44.12 KiB) Viewed 405 times
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