
40
P425AWIR (7/120), XP375AWIR (9/110),
HP375AWIR (10/105), VHP300AWIR (14/85)
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
Check Air Cleaner Dust Unloader Valve & Restriction Indicator
Gauge
a
Visual Walk Around Inspection
Service Battery
Check Manual Belt Tensioner and belt wear
Change Engine Oil And Replace Oil Filter
Clean Crankcase Vent Tube
Check Air Intake Hoses, Connections, & System
Replace Fuel Filter Elements—Bleed Fuel System
Check Belt Tensioner and Belt Wear
Check Engine Electrical Ground Connection
Check Cooling System
Pressure Test Cooling System
Flush Cooling System
Test Thermostats
Check and Adjust Engine Valve Clearance
Add Coolant
Replace Air Cleaner Elements
Replace Poly–Vee Belt
A
Replace primary air cleaner element when restriction indicator shows a vacuum of 625 mm (25 in.) H2
O.
B
During engine break–in, change the oil and filter for the first time before 100 hours of operation.
C
If the recommended engine oils, or Pro–Tec
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.