Engine Break-In Service

RG18610-UN-28MAY10

Check Engine Oil (6068 higher than 130 kW model shown)

The engine is ready for normal operation. However, extra care during the initial break-in period will result in more satisfactory long-term engine performance and life.

During the initial operation of a new or rebuilt engine, change the oil and filter between a minimum of 100 hours and a maximum equal to the specified John Deere Plus 50 or John Deere Plus 50 II engine oil.

NOTE: In applications with extremely low annual hours (such as emergency generator sets), do not exceed oil usage of two years (24 months) when using Break-in Plus oil. In this circumstance, drain Break-In Plus oil at 24 months if it has not reached 100 hours of initial engine break-in, and refill with fresh Break-In Plus oil to accomplish at least 100 hours of accumulative break-in.

1. This engine is factory-filled with John Deere Engine Break-In Plus oil. Operate the engine at various conditions during the initial 100 hours with at least 15% of the time under heavy loads to achieve adequate engine break-in.

2. If the engine has too much operating time at idle, constant speeds, and/or light load usage, or make-up oil is required during the first 100-hour period, a longer break-in period may be needed without changing Break-In Plus oil until 500 hours.

   IMPORTANT: Do not add make-up oil until the oil level is BELOW the ADD mark on dipstick. If make-up oil is required during the break-in period, John Deere Engine Break-In Plus oil should be used whenever possible.

   IMPORTANT: If John Deere Engine Break-In Plus oil is not available for whatever reason, please use 10W-30 viscosity grade of John Deere Plus-50 II (CJ-4) as the make-up oil. If 10W-30 Plus-50 II (CJ-4) is also not available, then use 15W-40 viscosity grade of Plus-50 II (CJ-4) as the make-up oil.

   	API CJ-4	API CF
   	API CI-4 PLUS	ACEA E7
   	API CI-4	ACEA E6
   	API CH-4	ACEA E5
   	API CG-4	ACEA E4
   	API CF-4	ACEA E3
   	API CF-2

   These oils will not allow the engine to break-in properly.

3. 
   RG8028A-UN-15JAN99

   Crosshatch Pattern On Dipstick

   A - Crosshatch Pattern On Dipstick

   Check oil by unscrewing and pulling out oil fill cap/dipstick. Oil fill cap/dipstick may be located on left or right side of engine, depending on application. Check oil more frequently during engine break-in period. If oil must be added during this period, John Deere Engine BREAK-IN PLUS Oil is preferred. See ENGINE BREAK-IN OIL, in Fuels, Lubricants, and Coolant Section for other oils allowed.

   IMPORTANT: DO NOT fill above the top of the crosshatch pattern or the FULL mark, whichever is present. Oil levels anywhere within crosshatch are considered in the acceptable operating range.

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4. 
   RG18514-UN-21MAY10

   Engine Oil Filter (6068 higher than 130 kW model shown)

   A - Engine Oil Filter

   During the first 20 hours, avoid prolonged periods of engine idling or sustained maximum load operation.

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5. If engine will idle longer than 5 minutes, stop engine.

6. 6. Break-In Plus may be changed any time between 100 and 500 hours (or 24 months in the case of low annual usage such as emergency generator sets). See CHANGING ENGINE OIL AND REPLACING FILTER in Lubrication and Maintenance/500 Hour Section.) Fill crankcase with seasonal viscosity grade oil. (See DIESEL ENGINE OIL, in Fuels, Lubricants, and Coolant Section.)

   NOTE: Some increase in oil consumption may be expected when low viscosity oils are used. Check oil levels more frequently.

   If temperature is below 0°C (32°F), it may be necessary to use cold weather starting aids (See COLD WEATHER OPERATION, later in this section).

   If air temperature is below 0° C (32° F), use an engine block heater.

7. 
   RG13720-UN-11NOV04

   Watch Coolant Temperature and Oil Pressure on Panel

   A - Engine Coolant Temperature Gauge

   B - Oil Pressure Gauge

   Watch coolant temperature gauge (A) closely during engine operation. If gauge needle does not rise above minimum oil pressure specification, shown below, within 5 seconds, stop the engine and determine the cause. Normal engine oil pressure is listed below. Normal coolant temperature range at full load rated speed is 85—103° C (185—217° F). If coolant temperature rises above 113°C (235°F), the engine will reduce power automatically. Unless temperature drops quickly, stop the engine and determine the cause before resuming operation.

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8. Watch oil pressure gauge (B) for pressure within specification.

   Item	Measurement	Specification
   Engine	Oil Pressure at Full Load Rated Speed With 15W40 Oil Warmed to 125°C (257°F)	400 kPa (4.0 bar) (58 psi)

9. Check poly-vee belt for proper alignment and seating in pulley grooves.