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12.2 End processing method
(1) Power supply side (power connection kit)
q When cutting out the heating pipe, take care not to damage the heater wire.
w Pulling out on the inside of grid section provides a non-heating area of about 300 mm at maximum.
Fig. 12-4
e Peel the outer sheath covering of heater as shown below and cut off the heater wire as close to its root
as possible.
(HTP type heater has fiber glass, heater wire and thin Teflon covering under its outer sheath covering.
So the outer sheath covering should be peeled neatly.)
Fig. 12-5
r Apply RTV (silicone sealant) to the terminal boots and plug the boots into the heater. Then wind a
sealing tape across the boots and heater.
Fig. 12-6
t For connection with the power supply wire, use a press-fitting sleeve. If the press-fitting section is
loose, contact resistance becomes large to cause abnormal heating of the sleeve.
Fig. 12-7
Non-heating area of 300mm long
Grid
115 mm
Cut off at root.
RTV
RTV
Terminal boots
10