Dafra DRPB64V Instrukcja obsługi - Strona 6

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DRPB64V Operation Manual
6) Re-assemble the cleaned or replacement parts. Put
the pusher spring (#6) onto the assembly pusher (#5) and insert it back into the tool where
assembly oil cylinder (#13) is
7) Place the 3-jaw set (#4) into the clamping sleeve (#3) and be sure that all 3 jaws are seated
in the correct position;
8) Place the clamping sleeve (#3) with the 3-jaw set (#4) inside it onto the assembly pusher
(#5) and ensure it is assembled firmly;
9) Replace the front sleeve (#2) and nosepiece (#1) on the tool;
TROUBLE SHOOTING
Problem
Rivet mandrel does not break
Jaws slippery on rivet mandrel
Rivet mandrel cannot be put into
nosepiece
Used mandrel cannot be sucked
into mandrel collector properly
Possible Causes
 3-jaw set worn off or damaged.
 Hydraulic oil in tool not sufficient.
 Air supply with low pressure.
 3-jaw set worn out.
 Metal chips between jaws.
 Pusher spring fatigued.
 Incorrect nosepiece size chosen.
 Jaws get stuck by mandrel not being
released.
 Insufficient mandrel release vacuum power.
 Air supply with low pressure.
located;
Solutions
 Change 3-jaw set.
 Refill hydraulic oil.
 Increase air supply pressure within
the specified range.
 Change 3-jaw set.
 Clean the jaws.
 Change pusher spring.
 Use correct size nosepiece for rivet.
 Remove any jammed mandrels by
disassembling front sleeve and
clamping sleeve.
 Increase the mandrel vacuum power,
ref. TOOL OPERATION section 4.
 Increase air supply pressure within
the specification range.