Ingersoll-Rand 7120 Air Compressor User Manual


 
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7/120 (P425AWIR), 9/110 (XP375AWIR), 10/105 (HP375AWIR), 14/85 (VHP300AWIR),
7/170 (P600WIR), 10/125 (HP450WIR), 14/115 (VHP400WIR)
Lubrication and Maintenance Service Interval Chart
NOTE: The Service intervals below are for standard industrial engines. See details in Sections which
follow these charts.
Item Lubrication and Maintenance Service Intervals
Check Engine Oil and Coolant Level Daily 500 Hours/12
Months
2000
Hours/24
Months
As Required
Check Fuel Filter/Water Bowl S
Check Air Cleaner Dust Unloader Valve & Restriction Indicator
Gauge a
S
Visual Walk Around Inspection S S
Service Battery S
Check Manual Belt Tensioner and belt wear S
Change Engine Oil And Replace Oil Filter S
Clean Crankcase Vent Tube S
Check Air Intake Hoses, Connections, & System S
Replace Fuel Filter ElementsBleed Fuel System S
Check Belt Tensioner and Belt Wear S
Check Engine Electrical Ground Connection S
Check Cooling System S
Pressure Test Cooling System S
Flush Cooling System S
Test Thermostats S
Check and Adjust Engine Valve Clearance S
Add Coolant S
Replace Air Cleaner Elements S
Replace PolyVee Belt S
A Replace primary air cleaner element when restriction indicator shows a vacuum of 625 mm (25 in.) H2O.
B During engine breakin, change the oil and filter for the first time before 100 hours of operation.
C If the recommended engine oils, or ProTe ct is not used, the oil and filter change interval is reduced to every 250 hours. If
diesel fuel with a sulfur content greater than 0.05% is used, the oil and filter change interval is also reduced.