Hilti DX462 Operating Instructions Manual page 12

Fault
Nail does not
penetrate surface
en
Nail does not hold in base
material
Nail breaks
Nail head penetrates through
material fastened (metal sheet)
Damaged nail head
26
Cause
I Driving power too low
I Application limit exceeded
(very hard surface)
I Unsuitable system
I Thin steel base material
(3 to 5 mm steel)
I Driving power too low
I Application limit exceeded
(very hard surface)
I Driving power too high
I Driving power too high
I Wrong piston used
I Worn-out piston
Possible remedies
I Try higher power setting or heavier
cartridge
I Short nail application:
DAK
I Use co-acting principle/fastener
guide
I Switch to more powerful system
like DX 750, DX 600 N
I Try different power setting or
different cartridge
I Try EDNK 20P8H or
ENKK 20-S12 for fastening sheet
metal
I Try ESD MK...MA for fastening
wood
I Try higher power setting or
heavier cartridge
I Use shorter nail
I Use stronger nail (X-...-H)
I Use stepped shank nail:
DAK
I Reduce power setting
I Use lighter cartridge
I Use nail with top hat
I Use nail with washer e.g.
EDNI ... S12
I Reduce power setting
I Use lighter cartridge
I Check nail/piston combination
I Change piston