Weber 5000 Series Owner's Manual page 23

Step 24
Connect LP tank
WARNING: Make sure that the LP tank valve is
closed. Close by turning clockwise.
Hook the LP tank onto the fuel scale. Loosen the tank
lock wing nut. Swing the tank lock down. Tighten the
wing nut. Figure 32.
Figure 32
The hose and regulator are connected in the following
manner:
Slide back the collar of the quick disconnect on the tank
valve. Push the male fitting of the regulator into the quick
disconnect, and maintain pressure. Slide the collar
closed. Figure 33 (a). Figure 33 (b) shows the quick
disconnect engaged and various components of the tank
and regulator. Regulator vent hole should be at 3, 6, or 9
o'clock. It should not be pointed up. Figure 33 (c).
Tank lock
wing nut
Regulator
23
(a)
Male
fitting
(b)
Hose
Tank valve
Regulator
vent
Quick disconnect
engaged
(c)
Figure 33
Collar
Valve handwheel
close clockwise
Pressure
relief valve
Tank
Turn so regulator vent
does not collect water