Yeoman 8455 Riding Toy User Manual


 
23
SERVICING INSTRUCTIONS
REPLACING PARTS
4.2 Replace with a new ignition lead following the same
route as the old one
Replace the valve cover and the pilot assembly
4.3 Check operation of the new ignition lead
5.1 The piezo assembly used on this appliance is not serviceable
and is unlikely to fail.
5.2 If a new piezo is required, you must change the gas valve.
Refer to Section 6.
6.1 Turn off the gas supply at the isolation device
Disconnect the 2 x 8mm and 1 x 4mm gas pipe fittings
at the back of the gas valve
Disconnect the thermocouple, Diagram 10
Undo the single screw that secures the left-hand side of the
control cover, Diagram 11
AR0943
10
B
C
A
C
6. GAS VALVE
5. PIEZO
AR0943
9
B
To release the right side of the control cover:
Insert the narrow blade screwdriver into the slot shown
in Diagram 12
Lever it gently and pull from the right side at the same
time to remove the cover
There is a small cylindrical metal spacer inside the cover.
This must be kept and replaced on the fixing screw during
re-assembly.
Note the existing route of the ignition lead
Disconect the ignition lead from the valve body
6.3 Disconnect the ignition lead from the gas valve
Undo the two bolts securing the gas valve to the stove
and remove the valve
6.4 Replace in reverse order
Check all joints for gas leaks
Check operation of the thermocouple and ignition lead
7.1 Turn off the gas supply at the isolation device
Undo the thermocouple connection from the back of the
gas valve
Pull the sensor leads clear and remove the interrupter
block
7. MAGNETIC SAFETY VALVE
12
AR0916
11
AR0915