KMR 3718 Manual Del Usuario página 5

3718
8 TROUBLES AND REMEDIES
Disconnect nailer from hose before servicing. When connecting the tool, it must contain no fasteners.
TROUBLE
Air leaking from exhaust
port.
Blow does not take place.
Idle impact or fasteners
(staples or nails) are not
fully driven in.
Nailer operates too slowly.
Set of wear-and-tear parts
During repair replacement of parts the special grease (code no. 68 3868) must be applied to the surface of
the cylinder and the counter surfaces of the O-rings.
POSSIBLE CAUSE
O-rings (e, f, h) or valve slide (g) is
damaged or dirty.
Face of the cylinder is damaged.
Driver is jammed by a fastener.
Release valve (w) damaged.
Tool exhausts considerably in the
lowest position of the piston, O-ring
(t), bumper (v), worn or damaged. No
backstroke.
Tool without sufficient lubrication.
Air pressure too low.
Connection hose too long. Diameter
reduced in the air line or in the
maintenance unit (fall of pressure).
Piston completely (r) damaged.
Tip of driver worn.
Penetration setting wrongly adjusted.
Safety yoke (a) sluggish.
Code No. 73 7576
REMEDY
Clean or replace parts.
Polish face of the cylinder or replace
and grease again.
Open the magazine and remove the
nails. Open the lock (x) and swing
open the guide plate (y). Push back
the driver and remove jammed
fastener.
Have tool checked at service station.
Replace damaged parts.
Clean the interior pieces, grease the
counter surfaces of the O-rings and
the surface of the cylinder. Check the
lubricator.
Adjust to correct air pressure (min. 5
bar / 0,5 MPa).
Investigate and correct trouble.
Replace piston. At the same time
check bumper (v) for wear.
Re-grind the face of the driver tip
such that it is square to its axis.
Set correctly according (see 5).
Eliminate the jamming cause.
English I 5
KMR