Service manual

90-898303
4-11
METHOD 3 – (DDT) DIGITAL DIAGNOSTIC TERMINAL – OIL PUMP
PRIME
This method fills the oil pump, oil supply hose feeding pump, and oil hoses
going to the crankcase and air compressor.
Refer to procedure in the Technician Reference Manual provided with the
Digital Diagnostic Software Cartridge Part. No. 91-880118--1.
Conditions Requiring Priming the Oil Pump
Condition Priming Procedure
New engine Use Method 1 or 2
Rebuilt powerhead Use Method 1 or 2
New Powerhead Use Method 1 or 2
Oil system ran out of oil Use Method 3
Oil drained from oil supply hose
feeding pump
Use Method 3
Oil pump removed Use Method 3
Oil injection hoses drained Use Method 3
Priming Procedure – Method 1
METHOD 1 – SHIFT SWITCH ACTIVATION PRIME PROCEDURE
Before starting engine for the first time, prime the oil pump. Priming will
remove any air that may be in the pump, oil supply hose, or internal passages.
a) Oil Injection Pump
b) Oil Supply Hose
CAUTION
To prevent damage to the fuel pump, fill the engine fuel system with fuel.
Otherwise the fuel pump will run without fuel during the priming
process.
Notes
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