Maintenance Schedule - Bosch ACS 753 Repair Instructions

Introduction
MAINTENANCE TASK
Change filter
Change vacuum pump oil
Check casters and wheels for ease of
operation
Check internal scale calibration
Reset of PAG and POE Injection Oil, drain
oil and UV dye scales
Check machine for leaks
Clean air intake panels
Clean cabinet and control panel
Inspect power cord and hoses for cuts
and abrasions
Lubricate wheel bearings and brake
components
Solenoid valves inspection
Check the internal refrigerant identifier
filter (ACS 863 only)
Change filter and sample hose of the
internal refrigerant identifier (ACS 863
only)
Due to normal wear and tear, these units require regular maintenance to ensure safe operation
and optimum performance. The above chart provides a schedule of the minimum recommended
maintenance tasks.
SP00D00609 2018-03-26

MAINTENANCE SCHEDULE

ACS 753, ACS 763, ACS 863 Service Manual
RECOMMENDED INTERVAL
After (SEE TABLE) of refrigerant has
been filtered. Refer to Filter Change in the
Maintenance section of this manual.
Model Replacement filter at:
R134a 68 kg (alert 56 kg)
Model Replacement filter at:
R1234yf 150 kg (alert 138 kg)
When the filter is replaced or every 100 hours.
Refer to Change Vacuum Pump Oil in the
Maintenance section of this manual.
Monthly.
Monthly. Refer to Calibration Check in the
Maintenance section of this manual. Every year
all scales must be calibrated by an authorized
service center.
Whenever it is necessary. Refer to Scales Reset
in the Maintenance section of this manual.
Automatic every 10 days (for R1234yf) or every
yearly (for R134a). Refer to Pressure Decay
Leak Test in the Maintenance section of this
manual.
Monthly. Use a clean cloth.
Monthly. Use a clean cloth.
Daily.
Monthly.
Every yearly — performed by an authorized
service center.
Daily.
Every six months or whenever it is dirty and / or
clogged. Replace the sample hose assembly
during every filter change. Refer to Refrigerant
Identifier Maintenance in the Maintenance
section of this manual.
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Robert Bosch GmbH