MAN16MG05
instructions
for
use
series
drh
1/2/3/4 -
dst
/
n
/
s
-
dst
/
r
-
drt
2. Operating at a height (from the floor of the mobile scaffold or from the raisable platform), having carried by hand
the push-button control panel up to the level of the working area so that it cannot be activated from the ground,
by removing the pin
-1-
using the relative snap pin, disconnect the lever
-L-
of the overload device of the
anchorage cross head
-11-
, let the lever
-L-
rotate downwards until the anchorage pivot
-2-
can be taken off and
thus allows the anchorage to be disassembled
-3-
(fig. 182).
3. Using a cord, having tied safely and firmly the anchorage, lower slowly by hand the cord until the
anchorage reaches the ground.
4. Loosen the safety clamp
-4-
, remove the wire rope from the wedge
-5-
until the wedge is completely released and
unwound from the anchorage
-3-
(fig. 183).
5. Take the wedge off the hook block
-6-
and, in the case of 4, 6 and 8-rope fall hoists, also from the transmission
pulley
-7-
, bringing the rope end to the ground again.
6. Remove the protection canopy
-8-
, both from the limit-switch side and from the opposite side, by unscrewing
the screws
-9-
and taking care not to lose the coupling gasket
-10-
of the two ends (fig. 184).
7. Disassemble the anchorage cross head
-11-
and, in the case of 4-rope fall hoists, the pulley assembly
-12-
, by
removing the safety screws -
13-
(fig. 185).
(In the hoists with DST/R trolley take off only the anchorage cross head and only in the case of the 4-rope fall
version).
8. Tie temporarily, but safely and firmly, the anchorage cross head
-11-
to the lower connecting stay bolt
-14-
of the
drum shell, taking care not to disconnect or damage the overload device
-LC-
or its cable (fig. 186).
9. Remove from the semi-rings
-15-
(on the opposite side to where the wire rope comes out) and
-16-
(on the side
where the rope comes out) the bronze runners/reaction arms
-17-
by unscrewing the relative screws
-18-
(fig. 187).
fig. 182
fig. 183
fig. 184
fig. 185
The following instructions are valid for all versions of DRH electric wire rope hoists, except those in
4-rope fall execution with DST/R trolley and 6 and 8-rope fall.
4
5
3
1
11
12
13
L
3
7
7
9
6
2
11
8
8
10
112
instructions
for
use
series
drh
1/2/3/4 -
dst
/
n
/
s
-
dst
/
r
-
drt
MAN16MG05
113
10. Disassemble the wire-clamping spring
-19-
using the special spring-tightening device
-T-
(fig. 180) and pliers
to remove the clip
-20-
(fig. 188).
11. Unscrew the nuts
-21-
, take off the screws
-22-
and the relative spring
-23-
from the two semi-rings
-15-
and
-16-
(fig. 189).
12. Remove the semi-rings
-15-
(on the opposite side to where the wire comes out) and
-16-
(on the side where the
wire comes out) taking care not to lose the relative wire-clamping runners
-24-
(fig. 190).
13. Loosen the screws
-25-
of the clamps
-26-
take out the wire rope and release the semi-ring
-16-
(fig.191).
fig. 188
fig. 189
fig. 190
fig. 191
fig. 186
fig. 187
14
LC
11
18
17
15
16
17
20
19
15
16
21
22
23
16
24
15
16
25
26
T
KMAN16MG05
Summary of Contents for DRH 1 Series
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