L&W SC-300 E Operating Instructions Manual page 60

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 valve 1st stage - continued from previous page
Warning
!
The exact alignment of upper and lower valve gasket is very important. Inlet and outlet
channels have to be exactly centred.
Install Inlet / Outlet Valve
• Grease new lower valve gasket and place into the cylinder.
CAUTION: Ensure the correct mounting position of the copper
valve ring (position the burr-free side in direction of the cylinder).
• Place the new inlet and outlet valve on the cylinder and align
upper valve gasket (paper gasket) (Fig. 4).
CAUTION: Do not turn the inlet and outlet valve inside the
cylinder! The paper gasket could cover inlet channels!
• Refit the valve head and tighten the valve head screws crosswise.
(Fig. 5)
• Torques: 1st stage 40 Nm
• Fit crankcase ventilation hose and tighten screw connection
• Connect pipe connections and tighten (Fig. 6).
Inlet and outlet valves change 1st stage is now completed.
LW SC-300 E / LW SC-350 E
Version: 06.12.2022
Fig. 4 - Place and align upper valve
gasket
Fig. 5 - Screw valve head screws in
Fig. 6 - Connect pipe connections
and tighten
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