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Problem
The
Mandrel
damages,
and
breaks.
The setting stroke
is short.
(When
reverse
rotating
automatically.)
The setting stroke
is short.
(When no reverse
rotating
automatically.)
It
cannot
be
adjusted
to
a
correct stroke.
Cause
1.Life of the Mandrel
2.Attempted doulbe setting of POP
NUT.
3.The stroke is excessive.
4.Broken of Control nut and T-valve
push rod.
5.Tool is inclined and it set.
1.The stroke is misadjusted.
2.Too much hydraulic oil or air is
mixed in hydrraulic oil.
1.Low air pressure.
2.Too little hydraulic oil or air is
mixed in hydraulic oil.
1.Too little hydraulic oil.
2.Too much hydraulic oil or air is
mixed in hydraulic oil.
3.Broken of Control nut or T-valve
push rod.
4.The position of Control knob is not
correct.
-Replace the Mandrel to new one.
(See p.15)
-Operate correctly.
(See p.11)
-Replace the damaged parts to new
one.
(See p.14)
-Adjust the stroke correctly.
(See p.8 )
-Replace the damaged parts to new
one.
(See p.15)
-Replace the damaged parts to new
one.
(See p.16)
-Operate correctly.
(See p.11)
-Replace the damaged parts to new
one. (See p.14)
-Ajust the stroke correctly.
(See p.8)
-Replacement of the hydraulic oil.
(See p.18)
-Adjust
compressed air supply.
(See p.7)
-Replace the hydraulic oil.
(See p.18)
-Replace of the hydraulic oil.
(See p.18)
-Replace of the hydraulic oil.
(See p.18)
-Replace the damaged parts to new
one.
(See p.14)
-Adjust the total length of the
assembly.
(See p.16)
22
PNT800
Action
the
pressure
of
the
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