Edwards nES Series - Page 43

nES630, nES750
Tools required: Tubular box wrench 16 mm.
1. When the exhaust lter elements are clogged, the integrated bypass opens and
the lters are bypassed.
2. Oil mist at the exhaust and high oil consumpon are signs that the exhaust lters
are clogged.
3. The exhaust lters must be replaced more oen if subjected to increased oil
cracking products at high operang temperatures and aggressive media.
4.
Remove the cover with gasket. Remove the exhaust deector by unscrewing the
bolt. Remove both demister support units by unscrewing the nuts.
5.
The exhaust lters can be removed individually. Check also the oat valve.
6.
Plug new exhaust lters into the oil casing. Carefully insert the demister support
units over the new exhaust lters threaded bars (M6) and slightly compress the
demister springs.
7.
Tighten the demister support units and the exhaust deector. If necessary, mount
a new seal and mount the cover.
nES470, nES570
Tools required: Tubular box wrench 16 mm.
1. When the exhaust lter elements are clogged, the integrated bypass opens and
the lters are bypassed. Oil mist at the exhaust, and high oil consumpon are signs
that the exhaust lters are clogged.
2. The exhaust lters must be replaced more oen if subjected to increased oil
cracking products at high operang temperatures and aggressive media.
3. Remove the cover with gasket. Remove the exhaust deector by unscrewing the
bolt.
4. Remove both demister support units by unscrewing the nuts.
5. The exhaust lters can be removed individually.
6. Check the oat valve.
7.
Plug new exhaust lters into the oil casing.
8.
Carefully insert the demister support units over the new exhaust lters threaded
bars (M6) and slightly compress the demister springs.
9.
Tighten the demister support units with the 4 nuts and the exhaust deector. If
necessary, mount a new seal and mount the exhaust plate.
07/2020 - Page 39
A35104880_B - Adjustments and servicing procedures