KMR 3551 Manual Del Usuario página 5

3551
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 nails are not
fully driven in.
Nailer operates too slowly.
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
Parts (e, f, g, h) damaged or dirty.
Control parts move with difficulty
after long term storage.
Driver is jammed by a fastener.
Tool exhausts considerably in the
lowest position of the piston, O-ring
(t), bumper (v), Cylinder ring (s) worn
or damaged. No backstroke.
Nosepiece defective.
Tool without sufficient lubrication.
Air pressure too low.
Tool jumps.
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.
Control parts frozen-up.
Release valve (w) damaged.
REMEDY
Clean or replace parts.
Increase air pressure and make some
trial blows. Then reduce air pressure
immediatel.
Open guide flap (k). Using a punch or
similar tool knock back the driver and
remove the obstruction in the drive
channel.
Replace damaged parts.
Have tool checked at service station.
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).
Press tool more firmly onto the
workpiece.
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 6).
Eliminate the jamming cause.
Check operation of water separator.
Have tool checked by service
workshop.
English I 5
KMR