1994b_1_5_en-bedingt.fm, 12.06.2014
P1991BA/EN 2014-06
13
Before initial operation
4
4.5
Troubleshooting
Error
Possible causes
Measures and remedies
Tool too strong
Torque set too high
Reduce the torque setting, see
4.4.2 Changing Torque, page 12
Tool too weak
Working pressure too low
Check the cross section of the
hose and coupling: Inner
diameter 3/8" (ø 9.5 mm), maxi-
mum length 5 m
Increase the working pressure.
Reverse button is
not at the detent
Turn the reverse button
to the detent
Excessive transmission damping due
to extension and worn socket.
Increase the speed, see 4.4.1 Set-
ting the torque, page 12.
Use a shorter or more rigid exten-
sion.
Replace the socket
Insufficient oil in the pulse unit (no
pulse build-up)
See 5.2 Fill reserve oil, page 16
Screen in the air inlet tube /
muffler is dirty
Clean or replace parts
Accuracy insufficient
Adapter parts
Replace adapter parts
Use extension and socket with
guide diameter
Pressure fluctuations in the air network
Use a pressure regulator
Premature release of the start button
Keep start button pressed until nut-
setter has stopped rotating
Fastening time too
long: > 4 seconds
Joint too soft; crush nuts, self-tapping
screws
Increase the speed
Use a pulse nutsetter with a higher
capacity.
Summary of Contents for 11PHH
Page 4: ...4 P1991BA EN2014 06 1991a_ Deckblatt_en fm 12 06 2014...
Page 14: ...14 P1991BA EN2014 06 1994b_1_5_en bedingt fm 12 06 2014 Before initial operation 4...
Page 20: ...20 P1991BA EN2014 06 1994c_Wartung_en bedingt fm 12 06 2014 Maintenance 5 Empty side...
Page 26: ...26 P1991BA EN2014 06 1994d_Reparatur_en bedingt fm 12 06 2014 Assembly instructions 7...