Range And Exchange Of Clutch Spring - Deprag 397066 A Operating Instruction Booklet

4.1. Range and Exchange of Clutch Spring

The torque range of the DEPRAG Screwdriver is adjustable. Please see a
listing for the torque ranges of the color-coded springs below.
Torque Range of the individual clutch spring:
.
-Æ
PART NO
WIRE
323035/1 2,5 mm Green appx. 1,4 Nm / 12 in.lbs.
323036 2,2 mm
323037 1,6 mm Yellow appx. 0,2 Nm / 2 in.lbs.
All torque values are based on 90-PSI (6,3 bar) air pressure. Torque values
are estimated data which may differ – depending on the type of screw joint.
Exchange of clutch spring (see Picture)
To avoid loosing individual small parts, it is recommended to
only disassemble the machine on top of a flat work surface.
1. Disconnect screwdriver from air supply.
2. Unscrew clutch bearing 397160 C complete with spring sleeve (Accesso-
ries - Optional Equipment) by means of the supplied hook (left-hand
thread).
3. Take out the clutch complete.
4. Insert the supplied hand screwdriver 326240 into the half-round bore of
the lock ring and turn hand screwdriver clockwise, until the adjustment
nut comes off.
5. Pull off the lock ring.
6. Remove clutch spring, replace with new clutch spring and reassemble
the clutch in reverse order.
7. Insert the clutch into the clutch bearing and tighten clutch bearing to the
DEPRAG-Screwdriver (left-hand thread).
NOTICE
The claw of the intermediate ring must engage with the
claw of the spindle (located in the gearing)!
Check this and ensure that engagement lift on the spindle
is available (approx. 2 mm).
8. An external torque adjustment of the clutch is again possible (please re-
fer to chapter Torque Adjustment).
COLOR TORQUE
Red appx. 0,5 Nm / 4,4 in.lbs. appx. 1,5 Nm / 13 in.lbs.
" ."
MIN
appx. 2,0 Nm / 18 in.lbs.
appx. 0,6 Nm / 5,3 in.lbs.
12
" ."
TORQUE MAX