KMR 3522 Manual Del Usuario página 5

3522
7 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.
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
Parts (e, f, g) damaged or dirty.
Control parts move with difficulty
after long term storage.
Bushing (p) damaged.
Tool exhausts considerably in the
lowest position of the piston, O-ring
(t), bumper (v), worn or damaged. No
backstroke.
The piston (r) does not return to the
upper position.
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.
Control parts frozen-up.
Code No. 73 2702
REMEDY
Clean or replace parts.
Increase air pressure and make some
trial blows. Then reduce air pressure
immediatel .
Exchange bushing, grease bushing
and driver.
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).
Investigate and correct trouble.
Replace piston. At the same time
check bumper (v) for wear.
Check operation of water separator.
English I 5
KMR