Repairing Or Replacing A Solenoid - Bosch ACS 753 Repair Instructions

ACS 753, ACS 763, ACS 863 Service Manual

Repairing or Replacing a Solenoid

WARNING: Disconnect the unit from
the power source before beginning
service work. Incorrect use or
connections can cause electrical
shock.
WARNING: Wear safety goggles
when working with refrigerants.
Refrigerants can cause eye injury.
WARNING: Use extreme caution
w h e n d i s c o n n e c t i n g h o s e s .
Pressurized refrigerant may be
present in hoses. Point hoses away
from you and anyone nearby.
Instructions
These instructions outline the steps to repair
solenoids found throughout the unit.
Removing Solenoid
1. Disconnect the unit from the power source.
2. Remove the front plastic covers.
3. Depressurize the unit.
4. Disconnect the two wires connected to the
solenoid being repaired or replaced.
5. Remove the fastener holding the coil on the
solenoid, and remove the coil.
6. Remove the solenoid assembly from the
manifold block.
7. Check the manifold block for any debris
before installing a repaired or replacement
solenoid.
Robert Bosch GmbH
Plumbing and Mechanical
Installing Solenoid
1. Lubricate the O-rings and threads on the
new solenoid assembly.
2. Install the repaired or replacement solenoid
assembly and hand tighten.
3. Using a torque wrench, torque the solenoid
assembly to 8-9 Nm (70-89 in-lb).
4. Install the coil on the solenoid assembly,
and secure with the fastener holding the
coil in place.
5. Using a torque wrench, torque the coil
retaining bolt to 3-4 Nm (25-35 in-lb).
6. Reconnect the wires that were disconnected
earlier when removing the faulty solenoid
assembly.
7. Mount the front plastic covers.
8. Connect the unit to the power source,
perform a function test, and check for any
leaks.
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SP00D00609 2018-03-26