Parker ETH Series - Page 27

Parker EME
Motor/ gear assembly
27 192-550002N10 ETH March 2019
Motor / gearbox dismantling (ETH032 ... ETH080) (valid for all
mounting options)
 Remove connectors from motor.
 Dismantle lid (please refer to Figure 19 Pos.6) and screws (please refer to Figure
19Pos. 9) .
 Dismantle lid (please refer to Figure 19 Pos.4) and screws (please refer to Figure
19Pos. 11) .
ATTENTION! Keep all screws and lids for later mounting.
 Release toothed belt tension:
 Slightly loosen 4 screws (please refer to
Figure 20Pos.7), by 1 to 2 turns (please
refer to Figure 21).
ACHTUNG! Do not remove the screws
entirely!
 Loosen central toothed belt screw (please
refer to Figure 19 Pos.12).
The drive unit must lower slightly when the
tensioning screw is loosened.
 Loosen tightening screw (please refer to
Figure 19 Pos.12) until the drive unit is not
lowered any further.
Figure 21: Exchange toothed belt
tension
 Remove 4 screws completely (please refer to Figure 20 Pos. 7). First at the
bottom, then at the top.
The internal ballscrew is not self-locking!
Always take care, especially in vertical position of the ETH cylinder that the piston
rod must be safeguarded!
Make sure not to insert your fingers between motor / gearbox and electro
cylinder!
We recommend to place a support pad between motor and cylinder profile.
 Remove drive unit with mounted toothed pulley from the parallel
housing with caution.
ATTENTION! Make sure that the toothed belt is not stuck in the
parallel housing.
 Dismantle motor / gearbox flange (please refer to Figure 20 Pos.3)
by loosening the screws (please refer to Figure 20 Pos.6).
 Measure and note depth "A" from toothed pulley to motor / gearbox
shaft before dismounting the toothed pulley (please refer to Figure
22).
 Remove threaded pin(s) from the toothed pulley.

Pull off toothed pulley with the aid of a pull-off tool.
Figure 22:
Depth gauge
A
Motor / gearbox mounting (ETH032 ... ETH080) (not valid for mounting
Parker EX motors)
 Fit toothed pulley and set dimension “A”.
Dimension “A” is provided by Parker. If the drive was exchanged, please set the
dimension “A” noted before.
 Screw in the toothed pulley threaded pin(s) and secure (medium strength) by
screw lock.
 Mount motor / gearbox flange (please refer to Figure 20 Pos.3) with the screws
(please refer to Figure 20 Pos.6 & Pos.8).
A