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4.0 SCHEDULED PREVENTATIVE MAINTENANCE
4.1 MAINTENANCE SCHEDULE
THE MAINTENANCE SCHEDULE SPECIFIES ALL RECOMMENDED MAINTENANCE REQUIRED TO KEEP THE
COMPRESSOR IN GOOD OPERATING CONDITION. SERVICE AT THE INTERVAL LISTED OR AFTER THAT
NUMBER OF RUNNING HOURS,WHICHEVER OCCURS FIRST.
4.2 MAINTENANCE RECORDS
It is very important that you, the owner, keep accurate
and detailed records of all maintenance work you, or the
Ingersoll-Rand Distributor or Air Center perform on your
compressor.This includes but is not limited to coolant
filter, separator, inlet air filter and so forth.This
information must be kept by you, the owner, should you
require warranty service work by your Ingersoll-Rand
Distributor or Air Center. Maintenance record sheets are
located at the back of this manual.
4.3 MAINTENANCE PROCEDURES
Before starting any maintenance, be certain the following
is heeded.
1. Read Safety Instructions.
2. Use correct tools.
3. Have recommended spares on hand.
SPECIAL NOTE:
Replace separator element when the separator
differential pressure ( ▲▲ P) reaches three times the
initial pressure drop or a maximum pressure
differential of 12 psi (.8 bar) at full load or if the
Intellisys warning CHANGE SEPARATOR ELEMENT is
displayed. See Section 3.9.
Running Time Interval (whichever comes first)
Action Part or Item Hours 1 Week 1 Mo. 3 Mo. 6 Mo. Yearly 2 Years
Inspect Coolant level Weekly x
Inspect Discharge temperature (air) Weekly x
Inspect Separator element differential Weekly x
Inspect Air filter Delta P (at full load) Weekly x
Inspect Oil filter Delta P Weekly x
Replace Coolant filter* 150 x (initial change only)
Check Temperature sensor 1000 x
Replace Food grade coolant (when used) 1000 x
Inspect Hoses 1200 x
Replace Coolant filter* 2000 x (subsequent changes)
Analysis Coolant 2000 See Section 4.15 x
Analysis Vibration 2000 See Section 4.15 x
Clean Separator scavenge screen and orifice 4000 x
Clean Cooler cores** 4000 x
Replace Air filter* 4000 x
Replace Separator element* *See special note.
Replace Ultra Coolant* 8000 x
Inspect Starter contactors 8000 x
Service Drive motor lubrication See Section 4.10.
* In very clean operating environments and where inlet filter is changed at the above prescribed intervals.
In extremely dirty environments change coolant, filters, and separator elements more frequently.
** Clean cooler cores if discharge air temperature is excessive or if unit shutdown occurs on high air temperature.
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