Fault Diagnosis - Avdel T51 Betriebsanleitung

F a u l t D i a g n o s i s
S y m p t o m P o s s i b l e C a u s e
Tool fails to operate Inoperative HydraPac
Loose or disconnected control cord
Defective switch assembly
Faulty hydraulic hose couplings
Tool leaks hydraulic Depending on what leaks occur,
oil defective or worn 'O' rings, loose
hydraulic hose connections at tool
Hydraulic oil Restriction in hydraulic line
overheats
1
Tool operates Low or erratic hydraulic
erratically and fails pressure supply
to install fastener Defective or excessively worn
properly piston, 'O' ring and back-up rings
and back-up rings in tool
Excessive wear or scoring of
sliding surface of tool parts
2
Pull grooves on Operator not pushing nose
fastener pintail completely onto fastener pintail
stripped during pull before operating tool
stroke Incorrect fastener length
Worn or damaged jaw segments
Metal chips accumulated in pull
grooves of jaw segments
Excessive sheet gap
Collar of Hydraloc Improper tool operation
fastener not Worn anvil in nose
completely swaged
Tool "hang up" on Improper tool operation
swaged collar HydraPac in idler mode
Pintail of fastener Pull grooves on fastener stripped
fails to break Improper tool operation
R e m e d y
Check power supply to HydraPac
Check for loose or broken wires
Replace switch assembly
Replace faulty couplings
Check and replace 'O' rings
and back-up rings, or
tighten hydraulic hose
Check couplings and replace
if necessary
See HydraPac instruction
manual
Replace 'O' ring and back-up
rings
Check and replace defective
parts
Instruct operator in proper
installation methods
Use correct length fastener
Check and replace jaw set
Clean jaw segments
Eliminate excessive gap
2
See
Check and replace anvil
See 1
Switch HydraPac off and
on and restart by
depressing trigger switch
2
See
Instruct operator in correct
tool operation
P a g e R e f
continued overleaf
13