46 IA_20901569_EN_R9_V1_061223
Maintenance
99. Unscrew the small flange connections at the
inlet and the outlet.
100. Replace the seals at the inlet and the out‑
let.
101. Replace the blind at the outlet.
102. Screw the inlet and the outlet tight.
103. Remove the gas ballast cap.
104. Remove the insulating material from the
gas ballast connection.