Operating instructions

42
M
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c
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,
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T
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b
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h
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R
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p
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Repair step 3
Remove / check glow pin
Figure 33
•
Carry out repair step 1.
• Unscrew glow pins 1 (5) and 2 (6) from the combustion cham
ber housing (8) (See page 36), if necessary check the glow
plugs; for check values see fault code 020 / 021.
• Visually check the glow pin socket lining, if necessary renew
the glow pin lining.
Install glow pin
Figure 33
•
Screw glow pin 1 (5) with long connection leads into the left-
hand spark plug socket (2 fuel lines).
• Screw glow pin 2 (6) with short connection leads into the right-
hand spark plug socket (1 fuel line).
• Assemble the heater according to repair step 2.
Characteristics of the glow pins
Glow pin 1 (5) long leads
– brown lead in Chamber 7
–
white lead in Chamber 10
Glow pin 2 (6) short leads
– brown lead in Chamber 14
– wt lead in Chamber 11
12 volt glow pin
– green band around the brown and white leads
24 volt glow pin
– yellow band around the brown and white leads
Clean ignition air drillholes
Figure 34
•
Use a pointed object to clean the ignition air drillholes in the
left-hand and right-hand spark plug sockets.
Control box/blower unit and jacket