AEROTECNICA COLTRI MCH 14 TECH NITROX SERIES, Инструкция по эксплуатации

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Maintenance
M AINTENANCE
This chapter includes instructions concerning the preventive, routine and additional maintenance
operations.
In the specifications for the preventive maintenance operations for the various devices indication is also
given of the frequency of such procedures.
Before consulting the chapter, read Chapter 4 “Precautions for use and maintenance” with care.
11.1 General notes ................................................................................................................ 61
11.2 Preventive maintenance ................................................................................................ 61
11.3 Changing the lubricant oil ............................................................................................ 62
11.4 Checking the drive belt ................................................................................................ 64
11.5 Suction filtre - low pressure compressor ..................................................................... 64
11.5.1 LP Moisture/Oil Vapor Filters
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low pressure compressor .......................................... 65
11.5.2 Suction filtre - high pressure compressor ................................................................... 67
11.6 Activated carbon filter and molecular sieve - high pressure compressor .................. 69
11.7 Filling hose - High pressure compressor ..................................................................... 71
11.8 Inlet and discharge valves - High pressure compressor .............................................. 71
11.9 Valves heads - High pressure compressor ................................................................... 72
11.10 Cylinders - High pressure compressor ......................................................................... 73
11.11 General maintenance instructions for the low pressure compressor ......................... 73
11.11.1 Pressure discharge valve .............................................................................................. 73
11.11.2 Tank drainage valve ..................................................................................................... 73
11.11.3 Pressure on/off .............................................................................................................. 74
11.11.4 Belts ............................................................................................................................... 74
11.11.5 Compressor valves ........................................................................................................ 74
11.11.6 Centrifugal discharger and discharge pressure valve ................................................. 74
11.11.7 Control valve ................................................................................................................. 75
11.11.8 Pressure interstage discharge valves ........................................................................... 75
11.12 Maintenance programme ............................................................................................. 76
WARNING
All the routine and additional maintenance operations must be carried out with the machine at a standstill
(the compressor at a standstill) and with the power supply disconnected.
The residue pressure in the machine (pump circuit) must be eliminated.
WARNING: DEPRESSURIZE THE UNIT.
Any operation carried out on the machine must only be undertaken having read and carefully applied the
regulations listed in Chapter 4 “Precautions for use and maintenance”.
All the operations described in the following paragraphs, must be repeated twice (one for
every component that is the same).