I
NSTRUCTION
M
ANUAL
17
O
IL
SPECIFICATIONS
Engine
It is strongly recommended to use Atlas Copco Par Oil SAE 15W40
which is specially selected to keep the engine in excellent
condition.
– 5 litre can : 1615 5953 00
– 20 litre can : 1615 5954 00
– 208 litre drum : 1615 5955 00
If it is desired to use another brand of oil, consult the engine
instruction manual for oil specifications, viscosity recommen-
dations and oil change intervals.
Compressor
It is strongly recommended to use Atlas Copco Par Oil M which is
specially selected to keep the compressor in excellent condition.
– 5 litre can : 1615 5947 00
– 20 litre can : 1615 5948 00
– 208 litre drum : 1615 5949 00
If it is desired to use another brand of oil, contact Atlas Copco for
the recommended oil.
C
HANGE
OF
OIL
AND
OIL
FILTERS
1. Run the compressor until it is warmed up. Close the outlet
valve(s) and stop the compressor. Wait until the pressure is
released. Unscrew the oil filler plug one turn. This uncovers a
vent hole, which permits any pressure in the system to escape.
2. Remove the oil filters (by means of an oil filter spanner).
3. Clean the filter seats on the manifold, taking care that no dirt
drops into the system. Oil the gaskets of the new oil filters.
Screw the filters into place until the gaskets contact their seats,
then tighten one half turn only.
4. Drain the oil by removing all these drain plugs: the air receiver/
oil separator, oil cooler, oil stop valve, check valve and gearbox
drain plug. Reinstall and tighten the plugs, using new gaskets,
after draining.
5. Fill the air receiver until the level reaches the screw thread in
the filler pipe. Take care that no dirt drops into the system.
Reinstall and tighten the filler plug.
6. Run the compressor at no-load for a few minutes to circulate the
oil. Load the compressor and let it run at maximum speed and
normal working pressure until the thermostatic by-pass valve of
the oil cooler has opened (approx. 85 °C (185 °F) (TG)). Close
the air outlet valves. Stop and let the compressor depressurize
as described in step 1. Add oil until the level shows in the sight
glass (SG). Reinstall and tighten the filler plug.
7. Start the compressor and let it run at maximum speed and
normal working pressure. Close the air outlet valve and stop the
compressor. Let the compressor depressurize as described in
step 1. Check the oil level, which must show in the sight glass;
if it does not, repeat steps 6 and 7.
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