Leak Test - Bosch ACS 561 Repair Instructions

ACS 561 Service Manual

LEAK TEST

Accumulator
Transducer
Heat Exchanger/
System Oil
Separator
Oil Drain
Solenoid
(S6)
Service
Port
FRONT PANEL
MANIFOLD
HOSE FLUSH
Hose Flush
MANIFOLD
Check
Valve
LEAK TEST PROCESS
High-Side inlet and Low-Side inlet valves are opened to equalize high and low sides of system being serviced. Unit
checks low-side transducer for rise in vacuum (this is not a service menu test.).
Robert Bosch GmbH
High Pressure
Filter/Dryer
Compressor
(COMP)
Oil Return
Solenoid
(S7)
Vacuum Pump
(PUMP)
Oil Drain
Bottle
Low Side
Transducer
Recover
Recover
Solenoid
Check
(S1)
Valve
High Side
Gauge
Oil Inject
Solenoid (S5)
Oil Inject
Check Valve
Oil Inject
Bottle
High Side
Service Hose
Figure 4-12. Leak Test
Plumbing and Mechanical
Pressure Relief
Switch
Compressor
Oil Separator
Tank Liquid
Solenoid
(S4)
Vacuum
Solenoid
(S2)
High Side
Ball Valve
Low Side
BULKHEAD
INJECTION
MANIFOLD
HS LS
Bulkhead Bulkhead
Service Hose
79
Air Purge
Pressure Relief
Vapor
Check
Valve
Liquid
Ball
Valve
Internal
Storage
Vessel
Charge
Solenoid
(S3)
Charge Check
Valve
Low Side
Ball Valve
Gauge
Suction
Discharge
Intermittent
Energized
Tank
Pressure
Low Side
SP00D00517 2018-07-11