KMR 3727, Technical Data Spare Parts

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TROUBLE POSSIBLE CAUSE REMEDY
Air leaking from exhaust
port. O-rings (e, f, h) or valve slide (g) is
damaged or dirty.
Face of the cylinder is damaged.
Clean or replace parts.
Polish face of the cylinder or replace
and grease again.
Blow does not take place. Driver is jammed by a fastener.
Release valve (w) damaged.
Open the magazine and remove the
fasteners. 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.
Idle impact or fasteners
(staples) are not fully driven
in. 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.
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).
Nailer operates too slowly. Safety yoke (a) sluggish. Eliminate the jamming cause.
Set of wear-and-tear parts Code No. 73 7576
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.
3727 English I 5
KMR
8 TROUBLES AND REMEDIES
Disconnect nailer from hose before servicing. When connecting the tool, it must contain no fasteners.