Maintenance and service
Operating / Mounting instruction
48
192-550003N10 ETH ATEX December 2019
3.3.3.
Exchanging the toothed belt (ETH032 ... 080
(valid for all mounting options)
(not valid fro mounting Parker EX motors)
8
4
11
1
7
2
5
14
13
9
6
12
15
10
3
Figure 37: Parallel housing (2)
6
8
9
7
3
2
5
1
4
Figure 38: Motor mounting option ETH032..080 (2)
Dismantle the motor (see page 35)
Loosen and remove 4 screws (please refer to Figure 37 Pos.1).
Remove cover (please refer to Figure 37 Pos.3).
Remove bar (please refer to Figure 37 Pos.5).
Remove used toothed belt
Clean the inside of the parallel housing (see Figure 37 pos.2) and the previously
removed components.
Insert new toothed belt
ATTENTION!
Please make sure that the toothed belt is correctly geared in the
pulley toothing.
Insert bar (please refer to Figure 37 Pos.5).
Replace cover (please refer to Figure 37 Pos.3).
Apply screw lock "Wiko 02K43 medium" to 4 screws (please refer to Figure
37 Pos.1) and tighten slightly.
Align gearbox (please refer to Figure 37 Pos.2) with the electro cylinder.
Tighten 4 screws (please refer to Figure 37 Pos.1) with the given tightening
torque.
ETH032
ETH050
ETH080
9 Nm
20 Nm
40 Nm
Mounting the motor (see page 35)
Setting the toothed belt pretension:
For the same toothed belt. Re-apply toothed belt tension (see page 41)
For a new toothed belt: Resetting the toothed belt pre-tension (see page 41)
Mount lid (please refer to Figure 37 Pos.6) with screws (please refer to Figure 37
Pos.9).
Mount lid (please refer to Figure 37 Pos.4) with screws (please refer to Figure 37
Pos.11).
