Useful Information - Desoutter 115DFL Manual Del Usuario

Release the spring tension, proceeding as follows: Apply a size-
19 socket spanner to the endless screw (9), then turn the spanner
in the direction of the "-" symbol until the cable no longer retracts.
The spring fracture safeguard blocks the cable drum.
A
To prevent spring destruction, do not slacken it too much!
Unscrew the housing cover and the cable drum cover, then remove
the spring assembly from the drum. For models with two spring
assemblies : Remove the upper spring now. Should the lower
spring assembly still have some residual tension, unload the spring
completely by rotating the endless screw (9) in the "-" direction.
Thereafter, take the lower spring assembly out of the drum as well.
A
When replacing the spring assembly following spring fracture,
the housing, the cable and the cable drum must be checked
for damage and replaced as well where indicated, as high dy-
namic forces are released when spring fracture occurs and the
spring fracture safeguard mechanism is activated as a result
of this.
Replace the damaged spring by a new spring assembly. If a spring
of a different strength is used, the type and load range details must
be changed accordingly on the rating plate.
(B) Reassembly/Reinstallation:
The spring assembly label must be visible when inserting the
spring assembly.
After a spring fracture: Unlock the drum lock (see description
under Replacing the cable) and wind up the cable by rotating the
cable drum until the cable stop buffer comes up against the mouth
of the housing. Insert the spring assembly into the cable drum,
pressing the external lever of the cable fracture safeguard against
the spring assembly.
To ensure proper functioning, the external spring suspension
must engage with the drum slot and the internal spring suspension
must engage with the shaft groove; if necessary, turn the shaft a
little with the endless screw (9) to enable the spring suspension to
glide into the shaft groove. First, screw the cable drum cover in
place, then the housing cover, using new tooth lock washers. Apply
the cover disk of the worm gear and screw it in place.
Tensioning the spring: To set the maximum initial tension
(preload), rotate the shaft "X" times by turning the endless screw
(worm) in the "+" direction:
615 805 028 0 = 4 1/4
615 805 029 0 = 5 1/4
615 805 030 0 = 3 1/2
615 805 031 0 = 3 1/4
615 805 032 0 = 3 1/2
615 805 033 0 = 3 1/2
615 805 034 0 = 3
615 805 035 0 = 3
Install the balancer as described under Installation and adjust the
load as described under Adjusting the working load.
A
Never open the spring assembly! Defective springs must be
properly disposed of.
Replacing the housing
(C) Removal/Dismantling:
Release the spring tension, proceeding as follows: Apply a size-
19 socket spanner to the endless screw (9), then turn the spanner
in the direction of the "-" symbol until the cable no longer retracts.
The spring fracture safeguard now blocks the cable drum. Do not
slacken the spring too much in order to prevent spring destruction.
Unscrew the cover disk of the worm wheel and remove the disk.
EN
Unscrew the housing cover. Remove the circlip on the worm
wheel using special pliers. Pull the cable drum with the spring and
the shaft out of the housing, paying attention to the feather key
located in the shaft. If necessary, force the shaft through the worm
wheel with a plastic-faced hammer. Put the brass washer located
between the housing and the cable drum back onto the shaft if
appropriate. Unwind the cable from the cable drum, detach it and
pull it out of the housing. Remove the suspension (see Replacing
the suspension).
(D) Reassembly/Reinstallation:
Fit the suspension to the new housing (see Replacing the suspen-
sion). Insert the worm wheel into the housing, then insert the cable
drum with the shaft and the brass washer as well, pushing the shaft
through the worm wheel (thereby ensuring that the feather key is
correctly positioned relative to the worm wheel; rotate worm wheel
if necessary). The shaft's ring groove must be visible. Insert the
circlip into the shaft's ring groove using special pliers.
Rotate the endless screw in the "+" direction to turn the cable
drum until the cable coupling is visible in the housing slot. Insert
the cable through the mouth of the housing and install it as de-
scribed under Replacing the cable. Wind up the cable via the
endless screw, rotating it in the "+" direction (using a size-19
socket spanner). Be sure that the cable winds up correctly in the
groove! Tension the spring and adjust the load as described under
"Replacing the spring assembly" – see (B).
Replacing the cable drum
Dismantle the balancer as described under "Replacing the housing"
– see  ( C). There is no need, however, to remove the suspension
from the housing. Installing a new cable drum: Unscrew the cover
and insert the shaft into the cable drum, taking care that the ball
bearing is not knocked out of the drum.
Put the brass washer on the shaft and place the worm wheel into
the housing. Insert the cable drum with the shaft and the brass
washer into the housing, pushing the shaft through the worm wheel.
The feather key must engage with the groove; rotate the shaft if
necessary. Secure the worm wheel with a circlip.
Insert the spring assembly into the drum as described under
"Replacing the spring assembly" (B) Reassembly/ Reinstallation.
Thereafter, install the cable as described under Replacing the
housing (D) Reassembly/Reinstallation, section 2.
Replacing the suspension
Remove the split pin, washer, bolt and tube of the suspension from
the housing, then remove the suspension as well. Insert the new
suspension, push the bolt through the housing suspension and the
tube, then secure it with the washer and a new split pin.

Useful information

C
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Part no 6159948693
Issue no 3
Series no A
Date 2015-07
Page 5