Deprag 339269 A, Operating Instruction Booklet

Page: 25 / 36

25
8 Trouble Shooting
In the case of a malfunction, check and observe all instructions contained in
this technical documentation. If necessary, adjust equipment as needed.
Possible faults and their causes are shown below:
E
RROR
R
EASON
S
OLUTION
Screwdriver does
not start No air, Shut-Off valve
is closed Open Shut-Off valve
Valve pin is too short
or missing Test valve pin length according to
picture:
Actual size of valve Pin
and replace valve pin, if
necessary
Clutch is not engaged Mount clutch correctly - refer to:
Range- and exchange of clutch
spring
Insufficient
Power Air pressure too low Air pressure should be 90 PSI for
maximum performance
Restriction in air hose Remove bends or other
restrictions
Valve Pin too short Check required length of valve pin
according to picture:
Actual Size
of Valve Pin . If needed, exchange
valve pin.
Hose I.D. is too small Use required hose I.D.
Screen Support /
Silencer clogged Clean screen support / silencer or
exchange with new one
Vanes are worn Exchange vanes
Driver does not
shut-off or
ratchets Air pressure is too low
for required torque
value Maintain air pressure of 90 PSI
Valve Pin is too long Check length of valve pin, either
shorten or replace valve pin
(picture:
Actual Size of Valve Pin )
If necessary, please send tool to DEPRAG for service.