Trouble shooting
HD 1050
18
4.3 Leakage between the cylinder head and
the pump housing
A leakages of 1 drop per minute is acceptable.
Unscrew the cylinder-head screws and remove
the cylinder head.
Pull out the high pressure seal ring by hand. If
this is difficult, use a puller. Grease a new high
pressure seal ring with silicon graese and fit it
with the aid of the mounting mandrel (special
tool).
Caution: Note that the sealing lips must face
towards the cylinder head.
4.4 Replacing the low-pressure seal
Remove the brass bushing with washers.
Replace the plastic washer, low pressure seal
ring and O-ring.
The low pressure seal ring should be greased
with silicon grease and then be pressed into the
bushing in such a way that the brass washer
comes against the stop in the bushing and a
cushion of grease is formed between the seal
ring and the bushing.
Insert the bushing with its bore facing upwards
in the housing.
Fit the cylinder head and tighten the screws with
a torque of 45 Nm.
Содержание HD 1050 B
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