L&W Compressors LW 300 EC III, Operating Instructions Manual, Page: 62 / 228

Page A - 60
A
LW 300 EC III / LW 450 EC III
Version: 24.04.18-001 E
M A I N T E N A N C E A N D S E R V I C E
Replacement inlet and outlet valves 3rd stage
Replacement inlet and outlet valves 3rd stage as follows:
• Loosen pipe connections
• Loosen valve head screws (Fig. 1)
• Remove lower valve gasket (Fig. 2)
• Dismount inlet and outlet valve (Fig. 3). Observe that the upper
valve gasket is also pulled out. (It can still stick inside the
cylinder head)
• Check valve head if defective (check centre pin)
• Mount valve gasket on inlet and outlet valve.
CAUTION: Ensure correct mounting position of the upper valve
gasket (Fig. 4).
• Insert new inlet and outlet valve into valve head.
CAUTION: Observe correct position between valve centre hole
and valve head centre pin.
• Place bottom valve gasket
• Place valve head with the new inlet and outlet valve. Tighten
valve head screws crosswise (tightening torque 30 Nm).
Replacement inlet and outlet valves 3rd stage complete.
Fig. 1 - Loosen valve head screws
Fig. 3 - Remove inlet and outlet valve Fig. 4 - Ensure correct mounting
position of the upper valve gasket
Fig. 2 - Remove lower valve gasket