16.2 Differential Valve Replacement
The following parts shown in Fig 16.18 will be removed from the dispenser.
Figure 16.18: Differential valve
1
Close in ground inlet valve.
2
Relieve pressure as per step 3 in section 16.1.
3
Turn off power to dispenser.
4
Using 22 mm wrench, loosen the tube nut on right side of valve Fig 16.19, and disconnect
tube, and then loosen the relief valve nut and disconnect relief valve, Fig 16.20.
Figure 16.19: Tube right side
WM048523 Rev 08 01/2019 285
16 Helix LPG - IEC
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