Bredel 25 - Page 80

Problem Possible cause Correction
Lubricant
leakage at
bracket.
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Bolts of the bracket are loose.
Tighten to the specified torque
settings.
Refer to "Torque figures" on
page 85
Bolts of the hose clamps are loose.
Tighten the hose clamps. Refer
to "Tightening the hose
clamps" on page 54
Leakage from
the rear of the
pump housing
"Buffer zone".
Damaged wear or seal ring. Replace wear or seal ring.
Motor
functions, but
rotor does not.
Broken fracture surface on rotor. Replace the rotor.
Leakage of
product
medium
between the
hose and the
insert.
Steel insert: the hose clamp is not tightened
strong enough.
Refer to "Tightening the hose
clamps" on page 54 for the
procedure and correct torque
value.
Plastic insert: the hose clamp is tightened too
much and as a result the insert is deformed.
Loosen the hose clamp and
inspect the insert. Replace the
insert if necessary.
Refer to "Tightening the hose
clamps" on page 54
Lubricant
leakage
between the
pump housing
and the hose.
Steel insert: the hose clamp is tightened too
much.
Refer to "Tightening the hose
clamps" on page 54
The O-ring in the bracket is damaged, or not
correctly positioned in the bracket.
Inspect the O-ring and replace it
if necessary. Lubricate the O-
ring before installation with
Bredel Genuine Hose Lubricant.
Refer to "Fitting the hose" on
page 50
Plastic insert: the hose clamp is tightened too
much and
as a result the insert is deformed.
Inspect the insert and replace it
if necessary. Tighten the hose
clamp. Refer to "Tightening the
hose clamps" on page 54.
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80 m-bredel-25-32-en-05