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Instruction book

6996 0224 30 53

 Replace the O-ring of the exhaust plate.

 Insert new exhaust filters. They are guided in the oil casing correct position. Make sure the

compression springs are behind the W shaped metal sheet holder.

 Plug the exhaust plate on the W shaped metal sheet holder with the 2 location pins and screw the

exhaust plate on the oil casing using a 8 mm Allen key.

GVS 470A

Tools required: Tubular box wrench 16 mm.

 When the exhaust filter elements are clogged, the integrated by-pass opens and the filters are

bypassed. Oil mist at the exhaust, and/or high oil consumption are signs that the exhaust filters are

clogged.

 The exhaust filters must be replaced more often if subjected to increased oil cracking products at high

operating temperatures and/or aggressive media.

 Remove the cover with gasket. Remove the exhaust deflector by unscrewing the bolt.

 Remove both demister support units by unscrewing the nuts.

 The exhaust filters can be removed individually.

 Check also the float valve.

 Plug new exhaust filters into the oil casing.

 Insert carefully the demister support units over the new exhaust filters threaded bars (M6) and

compress slightly the demister springs.

 Tighten the demister support units with the 4 nuts and the exhaust deflector. If necessary mount a new

seal and mount the exhaust plate.

GVS 630A

Tools required: tubular box wrench 16 mm

 When the exhaust filter elements are clogged, the integrated by-pass opens and the filters are

bypassed.

 Oil mist at the exhaust, and/or high oil consumption are signs that the exhaust filters are clogged.

 The exhaust filters must be replaced more often if subjected to increased oil cracking products at high

operating temperatures and/or aggressive media.

 Remove the cover with gasket. Remove the exhaust deflector by unscrewing the bolt. Remove both

demister support units by unscrewing the nuts.

 The exhaust filters can be removed individually. Check also the float valve.

 Plug new exhaust filters into the oil casing. Insert carefully the demister support units over the new

exhaust filters threaded bars (M6) and compress slightly the demister springs.

 Tighten the demister support units and the exhaust deflector. If necessary mount a new seal and

mount the cover.

Atlas Copco GVS 40A Instruction Book

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