00196497-07_SM_SXDX12_en.pdf - 第50页
Service Work Conveyor Electrical System 3.2.12 Replaci ng the Protective Motor Switch P KZ2 [00342494- xx] 50 Service Manual SIPLACE SX1/SX2/DX1/DX2 FS02 3.2.12 3 . 2 . 1 2 R e p la c in g t h e P r o t e c t iv e M o t …

Service Work Conveyor
3.2.11 Replacing the Motor Circuit Breaker with Motor Protection Tripping Unit Electrical System
Service Manual SIPLACE SX1/SX2/DX1/DX2 FS02 49
3.2.11
3.2.11 Replacing the Motor Circuit Breaker with Motor Protection Tripping Unit
Replacing the Motor Circuit Breaker with Motor Protection Tripping Unit
Overview
► Select the required chapter:
▪ "3.2.12 Replacing the Protective Motor Switch PKZ2 [00342494-xx]" [ ➙ 50]
▪ "3.2.13 Replacing the Motor Protection Release Block (PKZ2)" [➙52]
▪ "3.2.14 Replacing the Motor Circuit Breaker PKE32/XTU-32 [03098183-xx]" [ ➙ 55]
1. Protective motor switch - old version with motor pro-
tection release block (discontinued)
2. Protective motor switch – new version without motor
protection release block

Service Work Conveyor
Electrical System 3.2.12 Replacing the Protective Motor Switch PKZ2 [00342494-xx]
50 Service Manual SIPLACE SX1/SX2/DX1/DX2 FS02
3.2.12
3.2.12 Replacing the Protective Motor Switch PKZ2 [00342494-xx]
Replacing the Protective Motor Switch PKZ2 [00342494-xx]
Parts, Equipment and Tools
▪ Protective motor switch PKZ2, basic device 3 pin [00342494-xx]
A motor protection release block belongs to this:
– Motor protection release block ZM-32-PKZ2 (US version) [00342496-xx]
– Motor protection release block ZM-16-PKZ2 (all except US) [00342495-xx]
Overview
NOTICE
Old version [00342494-xx]
This version of the protective motor switch has been discontinued and may need to be replaced
with the new version "protective motor switch PKE32/XTU-32 assembly 3-pin" [03098183-xx].
► Read also section "3.2.14 Replacing the Motor Circuit Breaker PKE32/XTU-32 [03098183-
xx]" [ ➙ 55] and the technical information "Product discontinuation of "Protective motor
switch PKZ2 basic machine, 3-pin" [00342494-xx]" [TI2015-03D02] [EN: TI2015-03E02].
NOTICE
Motor release block
The corresponding motor protection release block belongs to the protective motor switch.
► For details about replacing the motor protection release block, refer to section "3.2.13 Re-
placing the Motor Protection Release Block (PKZ2)" [ ➙ 52]. Pay particular attention to the
correct settings.
Protective motor switch and main switch (using example
of US version for the X-Series)
1. Protective motor switch
2. Main switch (US version only)
In non-US versions, the protective motor switch also
serves as the main switch.

Service Work Conveyor
3.2.12 Replacing the Protective Motor Switch PKZ2 [00342494-xx] Electrical System
Service Manual SIPLACE SX1/SX2/DX1/DX2 FS02 51
Removal
► Switch off the machine, disconnect it from the power supply and secure it to prevent unauthorized
reactivation. Observe the instructions in section "1.2 Preparatory Work..." [ ➙ 13].
Checking the Power Supply for Absence of Voltage
► Before you start working, check the power supply for absence of voltage and observe the waiting
times!
► Unplug all connections to the protective motor switch. You may want to mark their positions, to make
clear assignment easier later on.
Installation
► Follow the removal instructions in reverse order for installation. Also observe the following instruc-
tions:
1. Protective motor switch PKZ2 basic device 3 pin
[00342494-xx]
(discontinued, not backwards compatible)
2. Motor protection release block A-PKZ2-A [03078388-
xx]
(discontinued, not backwards compatible)
3. Motor protection release block ZM-16-PKZ2
[00342495-xx]
or
Motor protection release block ZM-32-PKZ2
[00342496-xx]
(discontinued, not backwards compatible)
► Remove the rod which connects the protective motor
switch (1) to the outer main switch handle. To do this,
press the white plastic clips together (2) and pull off
the rod (3).
► Take the protective motor switch off the rail.
NOTICE
Installation instructions
► Check the setting of the motor protection release block (see "3.2.13 Replacing the Motor
Protection Release Block (PKZ2)" [ ➙ 52]).