Parker Hannifin Corporation
Hose Products Division
Wickliffe, OH
17
Crimping Machine
PHastkrimp
Bulletin 4480-T15-US
Symptoms
Possible Causes
What To Do
Valve leaks
Valve hold down bolts loose
Tighten hold down bolts to 50-60 inch pounds.
O-rings at valve
Replace O-rings.
Coupling crimp diameter
Wrong fitting style being
Only approved fittings can be used with the
above or below
used
PHastkrimp machine. For a complete selection
specification
and correct combinations of hose and fittings,
see Parker Catalog 4400.
Wrong hose being used
Use only Parker No-Skive hose. For a complete
selection of hose and fittings, see Parker Catalog
4400.
Wrong die ring being used
See crimper decal or Parker Catalog 4400 for
correct die ring.
Pusher is not being bottomed Lubricate die cavity with Citgo MP Lithoplex
out on die ring and base
lithium grease or equivalent. Bottom out the
plate (usually inconsistent
pusher on the die ring completely.
crimp diameters)
When bottomed, you will hear the relief valve
open. The pressure gauge should read 4200 psi
for a second or two. Can also check for proper
bottoming by placing a piece of paper between
die ring and base plate. If properly bottomed, you
should not be able to remove paper.
Relief valve set too low
Relief valve setting should be 3900-4400 psi.
Relief valve can only be set at factory.
High or low voltage
Call a qualified electrician.
Worn, damaged or faulty die
Replace die ring.
ring
Low on oil
Refill oil reservoir with high grade hydraulic
AW46 oil. Tank capacity is 5 gallons.
Crimp dies or die rings
Visually inspect all wear surfaces for raised metal
damaged, worn or faulty
dent or gouges. Replace damaged die sets or die
rings. Worn or faulty die sets will crimp above or
below specification by the same amount with both
the silver and black die rings. Replace worn or
faulty die sets.
Lubricate the die cavity in base plate
frequently to prevent wear.
Die cavity in base plate worn
Check crimp diameter of several different sizes of
or faulty
die sets with both the silver and black die rings.
If all crimp diameters are out of specification by
the same amount, the die cavity in the base plate
may be out of specification. Contact Technical
Service Department for repair.
Lubricate the die cavity in the base plate
frequently to prevent wear.
Trouble Shooting Guide
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