6
© 2001
Service and Maintenance 6.9 Additional Maintenance Work
● Cylinder head cover 1
● Air intake manifold 2
● Connection sockets
● Exhaust line 3
● Engine mounts 4
● With perfect function, the air-intake pipe 4
warms up near the glow lamps 2 from pre-
glowing.
Test step 1
● Place speed control lever or shut-off lever
in “stop” position.
● Insert key
-Position 0 = no operating voltage
● Key clockwise
-Position 1 = operating voltage
-Pilot lights illuminate
● Push key in and turn further clockwise
against spring pressure.
-Position 2 = Preheat, hold for approx. 1
minute.
-Preheat lamp comes on
● Otherwise the glow lamps are defective or
the transmission line interrupted.
6.9.1 Check fastenings 6.9.2 Checking the function of
the glow plugs
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