ACS 753, ACS 763, ACS 863 Service Manual
SP00D00609 2018-03-26 Robert Bosch GmbH
74
Plumbing and Mechanical
Ancillary components and assemblies included
are:
Cooling Fan: The cooling fan is necessary
to keep the compressor below its maximum
ambient operation temperature of 50°C (140°F)
or less.
Injection Manifold: This assembly serves as
the attachment ports for the high- and low-side
service hoses, as the oil injection point through
PAG Solenoid (S2) and POE Solenoid (S14),
and as the dye injection point through Dye Inject
Solenoid (S15).
Flush + N2H2 Manifold: This assembly serves
as the attachment ports for the high- and low-
side service hoses, as the N2H2 or N2 injection
point through N2H2 Inlet Solenoid (S19).
Oil Drain Bottle: This bottle provides a
reservoir for used oil and must be drained when
the user is instructed to do so by the control
panel. Operators should drain this bottle prior to
each use of the unit to make sure unit operation
is not interrupted.
High- and Low-Side Gauges: These gauges
monitor the high- and low-side pressures when
the unit is operating.
High- (Red) and Low-Side (Blue) Service
Hoses: These hoses connect the unit to the
vehicle A/C system.
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