19
Driver Blade (Ref. #36) could
be bent
Check and replace if needed.
Oil could have been used in
the tool
Clean, replace O-Rings and grease as
recommended in the Owner’s Manual
Ram is stuck in down position
Cylinder Cushion Ring (Ref.
#5) could be loose or
damaged
Check Cylinder Cushion Ring (Ref. #5)
and replace if loose or damaged
Main Valve (Ref. #41) is not
seating in Valve Housing
(Ref. #46).
Check the Return Spring (Ref. #8)
under the Main Valve (Ref. #41) to
make sure it is not damaged and that
the Return Spring Washers (Ref. #3)
are not damaged. Replace if needed.
Check for smoothness and free
movement of the Main Valve (Ref.
#41) in the Valve Housing (Ref. #46).
If too tight, replace the O-Rings on the
Main Valve.
O-Rings on the Discharge
Valve (Ref. #11) may be
damaged.
Check and replace if needed.
Discharge Valve Springs
(Ref. #9) not aligned
Check and re-align if needed.
Tool partially fires when air hose is
connected
Cylinder Exhaust Valve
Screw (Ref. #50) may be
loose.
Check and tighten if needed. Use
LOCTITE® 242 (Blue) on screw.
Nailer partially fires when trigger
is pulled and before Ram is struck
Main Valve Lip Seal (Ref.
#41) is not sealing
Check Lip Seal. If damaged, replace
Main Valve (Ref. #41).
