1.3.5 Removing the air pressure switch
1.Disconnect the electrical connections “K” and silicone pipes “L” from their connection points (FIG. 1.19);
2.Remove screws “M” on the top of the sealed chamber (FIG. 1.20);
3.Lift out the air pressure switch (FIG. 1.21);
4.Unscrew to remove the switch from the plate. FIG. 1.19 
K 
L
L
1.3.6 Removing the fan
1.Disconnect electrical connections “N” andsilicon pipe “O” (FIG.1.22);
2.Remove screw “P” and remove the fan collar clamp “Q” (FIG.1.23);
3.Remove screws “R” (FIG.1.24);
4.Remove fan and mounting plate (FIG.1.25).
FIG. 1.22 
N
O
FIG. 1.20 
M
M
FIG. 1.21
Q 
P
FIG. 1.23
R
FIG. 1.24
FIG. 1.25 
7