4. Pull | off | thermostat knob (C, Fig.11) and knob (D, Fig.11) of safety device |
(E, | Fig. | 11). |
5.Unscrew union nut (F, Fig.11) of
6.Remove three cable
7.Unscrew
8.Unscrew thermostat (H, Fig.11) from support bracket (K, Fig.11) ( 2 screws ).
9. Unscrew two clips (L, Fig.11) from capillary tube (M, Fig.11).
1 0 . Remove
11.Dismantling of thermostat (H, Fig.11) : Unscrew flame failure safety device (E, Fig.11) with
(N, Fig.11) from thermostat.
12.Dismantling of the flame failure safety device (E, Fig.11) : Unscrew flame failure safety device from thermostat (H, Fig.11). Then unscrew thermo- current adapter (J, Fig.11) from the flame failure safety device.
13.For reassembly, proceed in the reverse sequence of dismantling.
CAUTION: Coat threaded unions at the connection/thermostat and thermostat/flame failure safety device with Loctite 572 to ensure good sealing.
Be careful not to get any Loctite inside any parts.
5. Replacing the |
| |
_____ _____ | ____ | ____ |
1.Unscrew thermo-coupling (I, Fig.11) from thermo-current adapter.
2.Unscrew thermo-current adapter from flame failure safety device (E, Fig.11) and replace by new unit.
6. Replacing | the | thermocouple (I, Fig. 11) |
_ _ _ _ _ _ _ _ _ _ |
| ___ |