Deprag 347F-228, Operating Instructions Manual

Page: 13 / 36

13
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:
P
ART
-N
O
. W
IRE
-
∅
C
OLOR
T
ORQUE
-
MIN
. T
ORQUE
-
MAX
.
326391 3,4 mm black appx. 2,5 Nm / 22 in.lbs. appx. 5,0 Nm / 44 in.lbs.
323034 3,2 mm violet appx. 2,0 Nm / 18 in.lbs. appx. 4,0 Nm / 35 in.lbs.
323035 2,8 mm green appx. 1,4 Nm / 12 in.lbs appx. 2,5 Nm / 22 in.lbs.
323036 2,2 mm red appx. 0,5 Nm / 4,4 in.lbs. appx. 1,5 Nm / 13 in.lbs.
323037 1,6 mm yellow appx. 0,2 Nm / 2 in.lbs. appx. 0,6 Nm / 5,3 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. Prior to change of clutch spring, disconnect driver from air supply.
2. Unscrew complete clutch bearing with spring sleeve (accessories are op-
tional equipment) by means of key AF 27 (left hand thread).
3. Take out complete clutch.
4. Insert torque-adjusting screwdriver into the half-round bore in the lock
ring and turn torque-adjusting screwdriver clockwise, until the adjusting
nut comes off.
5. Remove off lock ring.
6. Remove clutch spring, replace with new clutch spring and reassemble
clutch.
7. Insert complete clutch into the clutch bearing and tighten clutch bearing
to the screwdriver.
Attention:
The male claw of the intermediate ring must engage with the fe-
male claw of the spindle.
8. An external torque adjustment of the clutch is again possible (see sec-
tion: T orque Adjustment ).