64
ELECTRIC WIRE ROPE HOIST
XM SERIES
4.9.7 BRAKE TYPE "M" FOR CYLINDRICAL
LIFTING MOTOR
REMOVING AND INSTALLING
THE ELECTROMAGNET
Removing and installing:
- loosen the screws pos. 1, remove the cap pos. 2.
- Loosen the screw pos. 3, remove the fan pos. 4.
- loosen the screws pos. 5, remove the electromagnet
pos. 6, paying attention to springs pos. 7.
- Position the electromagnet pos. 6) tighten the screws
pos. 5 verify the tightening torque “M
A
” as for Table
15 and verify the air gap (a) as for table 16 in chapter
"brake adjustment", install the fan pos. 4, tighten the
nut pos. 3, install the cap pos. 2) with the screws
pos. 1.
REMOVING AND INSTALLING THE BRAKE DISK
Removing and installing:
- Remove the electromagnet as described above,
remove the mobile anchor pos. 8 and the brake disc
pos. 9.
- Install the disk pos. 9 on the broached hub pos.
10, install the mobile anchor pos. 8 and install the
electromagnet as described above.
Adjust the air gap as showed in chapter 4.10.2 -
tab 16.
4.9.8 TROLLEY TRAVEL BRAKE TYPE E
(MOTORS WITH CYLINDRICAL ROTOR)
Brake fan removal: Loosen the screws pos. 1, remove
the cover, pos. 2, loosen the screw pos. 3, and the nut
pos. 4, pull out the brake fan pos. 5.
Brake fan removal: check the right locating of the
spring pos. 6 and the key pos. 7, put the brake fan
pos. 5, tighten the nut pos. 4 and the screws pos. 3,
put the cover pos. 2 tighten the screws pos. 1.
NB: check that the brake stops correctly, in this case
adjust it as described in section "adjustment of trolley
brake motors". Electromagnet removal follow the same
rules as in the above section "Brake fan removal" ,
then pull out the movable keeper pos. 8 and the spring
pos. 9 and loosen the screws pos. 10. Disconnect the
feeding cables of the electromagnet pos. 11 from the
motor terminal block and pull whole.
Electromagnet removal: Disconnect the feeding
cables of the electromagnet pos. 11 following the rules
on page 21 "Electrical diagram for the motor brake
feeding connection". Position the electromagnet pos.
11 tighten the screws pos. 10, put the spring pos. 9,
put the removable keeper pos. 8 and check the right
locating of the spring pos. 6 and of the key pos. 7. Put
the brake fan pos. 5, tighten the nut pos. 4 and the
screws pos. 3, put the cover pos. 2 and tighten whole
with the screws pos. 1.
a
Table 15
Spring
brake
tightening
torque
Air gap
measure
FDB
M
A
(Nm)
“a”
(mm)
+0,1
min.
“y”
(mm) max
15
10
0,3
1,0
17
25
0,3
1,0
20
25
0,4
1,2
23
25
0,4
1,2
26
50
0,5
1,5
4. OPERATION AND MAINTENANCE INSTRUCTIONS
Содержание XM SERIES
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