Dometic RM24A Service Manual page 36

36
REPLACEMENT
OF
ELEMENT OF THE THERMOELECTRIC
FAILURE SAFETY DEVICt;
FLAME
replace the thermo-element of the thermoelectric flame failure safety
1.
2. Loosen the position nut C and lock nut
Screw off nut C, remove spacer G and nut D. Release the thcrmo-element E from
burner housing F.
4. Bend carefully the new thermo-element to the same shape as the old one.
nut D into the new element,
Put the feeler through the hole in the burner housing F, refit the spacer C and
screw the position nut C tight against the shoulder on the feeler, raking sure
the nut D is free during this operation,
6.
Tighten the lock nut D against the burner housing with a small wrench, if
necessary holding nut C vith another wrench, Make sure the feeler is located
a s i n f i g u r e .
Check that no burrs are inside valve housing
Screw plug A onto the valve housing
hole in the aluminium cap of the housing, Plug A must be properly tightened to
the valve housing to ensure contact betveen the thermo-element and the magnetic
coil vithin the housing,
If the s a f e t y v a l v e m a g n e t i s d e f e c t i v e , it cannot be repaired but u.ust be replaced,
When the safety valve magnet needs replacement , p r o c e e d as f o l l o w s ( s e e f i g , 60).
Unscrew the connection plug (A) on the thermocouple from the housing nut (B).
2.
Unscrew the housing nut (B) and remove the defective safety valve ragnet (C)
from the housing (3).
3. Fit a new magnet valve and ensure
that it is properly inserted in
the housing (D).
4.
Fit the housing nut (B) and the
connection plug (A) and check t h a t
a good contact between the contact
plug (E) on the thermocouple and
the contact (F) on the safety
valve magnet is obtained.
Fig. 59
B .
D .
which nay cause leaks,
B
taking care not to damage the threaded
B ,
S c r e w