L&W SC-600 ES, Operating Instructions Manual

Page: 60 / 146

LW SC-600 ES / LW SC-680 ES / LW SC-750 ES
Version: 01.01.2023 Page A - 58
A
M A I N T E N A N C E A N D S E R V I C E
Replace inlet and outlet valves 1st and 2nd stage - continued from previous page
Install Inlet / Outlet Valve
• Grease the lower valve gasket slightly and place on the new inlet and outlet valve.
CAUTION: Observe correct copper valve ring position (centre
inlet and outlet channels).
• Place the new inlet and outlet valve straightly into the cylinder
(Fig. 3).
CAUTION: Do not turn the inlet and outlet valve inside the
cylinder! The copper valve ring could cover outlet channels!
• Place the upper valve gasket on the inlet and outlet valve.
CAUTION: Observe the correct paper gasket position (centre
inlet and outlet channels). (Fig. 4)
Note: Valve head screws can be inserted into the valve head to
secure the upper valve gasket.
• Refit the valve head and tighten the valve head screws
crosswise.
Starting torques:
1st Stage 45 Nm
2nd Stage 25 Nm
The replacement inlet and outlet valves 1st and 2nd stage is
now completed.
Fig. 3 - Place new inlet and outlet
valve straightly into cylinder
Fig. 4 - Ensure the correct mounting
position of the paper gasket
Caution
The exact alignment of upper and lower valve gasket is very important. Inlet and outlet
channels have to be exactly centred. Do not turn inlet and outlet valve after insertion. The
copper valve ring could cover outlet channels.
!