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40
Maintenance
Maintenance Instructions
The following maintenance
instructions are part of maintenance
operations required for this
equipment. A qualified technician
is needed for regular maintenance
as part of a regular maintenance
contract.
Carry out all operations as required by
schedule. This will ensure long unit
service life and reduce the possibility
of serious and costly breakdown.
Keep service records up to date,
showing monthly information on unit
operations. These records can be of
great help to maintenance personnel
diagnostics. Similarly, if machine
operator keeps a log of changes in
unit operating conditions, problems
can be identified and solutions found
before more serious problems arise.
Inspection visit after the first
500 hours of operation from unit
start up
• Carry out oil analysis
• Carry out leak test
• Inspect contacts and tighten
terminals
• Record operating pressures,
temperatures, amperages and
voltage
• Check operation of machines/
compare conditions of operation
against original commissioning
data
• Fill out inspection visit log sheet
and review with the operator
• Check and clean the strainer
• Check Rotalock Compressor
equalization tightness with
a torque wrench set at
170-180 N.m
Note: For medium to highly critical
applications, a monthly preventive
visit is recommended.
Monthly preventive visit
• Carry out leak test
• Oil test of acidity
• Check Ethylene glycol
concentration in the chilled
water circuit if glycol presence is
required
• Inspect contacts and tighten
terminals
• Record operating pressures,
temperatures, amperages and
voltage
• Check operation of machines/
compare conditions of operation
against original commissioning
data
• Fill out visit log sheet and review
with the operator
• Check and clean the strainer
CG-SVX06F-GB
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