Baxi Potterton LPG Service Manual download pdf (Page 42)

14.0 Changing Components

14.16 Pressure Gauge (Figs. 79 & 80)

1. Drain the primary circuit and undo the nut on the

pressure gauge capillary.

2. Undo the screws securing the gauge retaining bracket.

3. Remove the bracket and gauge assembly. Depress the

barbs on the side of the gauge and remove the retaining

bracket.

4. Examine the sealing washer, replace if necessary.

5. Reassemble in reverse order.

14.17

Pressure Relief Valve (Fig. 81)

1. Drain the primary circuit.

2. Disconnect the discharge pipe from the valve. Using a

suitable hexagon key undo the grub screw sufficiently to

release the valve.

3. Note the orientation of the valve, rotate it and withdraw

it from the manifold.

4. Fit the new valve and ‘O’ ring seal and set to the

previously noted orientation. Reassemble in reverse order.

Pressure Gauge

Gauge Retaining

Bracket

Fig. 80

Fig. 79

Fig. 81

Pressure Gauge

Capillary

‘O’ Ring

Seal

Discharge Pipe

Grub Screw

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 55 56

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Baxi Potterton LPG Service Manual Page 42