Range And Exchange Of Clutch Spring - Deprag 346-238-31L 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.
Type 346-2/738-31L
Torque Range of the individual clutch spring:
. -
PART NO WIRE
353796 4,0 mm
353795 3,2 mm
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.
Type 346-3/438-31L
Torque Range of the individual clutch spring:
- .
PART NO WIRE
328562 5,6 mm
328024 5,0 mm
328025 3,2 mm
328026 2,5 mm
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 406020 A/B (AF 24) complete with the spring
sleeve (accessories – optional equipment) (left-hand thread).
3. Take out the clutch complete.
4. For screwdriver version 346-2/738-31L (clutch 389748 G): 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.
For screwdriver version 346-3/438-31L (clutch 396030 C): Slide the
supplied spanner 805491 (AF 11) over the hex of the clutch shaft and un-
screw adjustment nut by means of spanner 800408 (AF 19, right-hand
thread).
5. Pull off the lock ring.
6. Remove clutch spring, replace with new clutch spring and reassemble the
clutch in reverse order.
7. Insert clutch into clutch bearing and tighten clutch bearing complete with
the spring sleeve onto the screwdriver (left-hand thread).
8. An external torque adjustment of the clutch is again possible (see chapter
Torque Adjustment).
Æ
COLOR TORQUE
black appx . 3,5 Nm / 31 in.lbs
blue appx. 2,0 Nm / 18 in.lbs.
-
Æ
COLOR
white appx. 10,0 Nm / 89 in.lbs. appx. 24,0 Nm / 212 in.lbs.
black appx. 6,0 Nm / 53 in.lbs.
blue appx. 3,0 Nm / 27 in.lbs.
green appx. 2,0 Nm / 18 in.lbs.
" ."
MIN
- .
TORQUE MIN
12
"
TORQUE MAX
appx. 8/9 Nm / 71/80 in.lbs
appx. 4,4 Nm / 39 in.lbs
-
TORQUE MAX
appx. 18,0 Nm / 159 in.lbs.
appx. 6,0 Nm / 53 in.lbs.
appx. 4,0 Nm / 35 in.lbs.
."
.