Jungheinrich DFG 320 Operating Instructions Manual page 100

Replacing spark plugs
– Remove spark plug connector (19) .
– Thoroughly clean around the spark
plugs on the cylinder head.
– Unscrew the spark plugs.
– Check the electrode distance of the
new spark plugs with a feeler gauge,
and adjust as required.
Rated value: 1.0 mm
M
Only use original spark plugs.
– Manually screw in the spark plugs and then torque them to 20 Nm.
Checking the V belt tension
– Insert the V belt between the fan V belt pulley and the generator V belt pulley using
a force of 45 N.
It should be possible to insert the V belt after approx. 11 mm.
Adjusting the V belt tension
– Undo the screws (20) and pull the AC
generator
prescribed V belt tension.
– Re-tighten the screws.
Check the V belt tension again and
repeat the adjustment if necessary.
until you reach the
19
20
F 21