John Deere POWERTECH 4045 User Manual
Page 196
Service as Required
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RG6264
–UN–03NOV97
Stanadyne Rotary Fuel Injection Pump
A—Fuel Return Line Connector
At Fuel Injection Pump
1. Slightly loosen fuel return line connector (A) at fuel
injection pump.
2. Operate fuel supply pump primer lever until fuel,
without air bubbles, flows from fuel return line
connection.
3. Tighten return line connector to 27 N•m (20 lb-ft).
4. Primer lever is spring-loaded and will return to normal
position.
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RG7725
–UN–08JAN97
Fuel Line Connection
At Fuel Injection Nozzles
1. Move the engine speed control lever to half throttle
position. On engines equipped with electronic fuel
shut-off solenoid, energize solenoid.
2. Using two open-end wrenches, loosen fuel line
connection at injection nozzle as shown.
3. Crank engine over with starter motor, (but do not start
engine), until fuel free from bubbles flows out of
loosened connection.
4. Retighten connection to 23 N•m (17 lb-ft).
5. Repeat procedure for remaining injection nozzles (if
necessary) until all air has been removed from fuel
system.
If engine still will not start, see your authorized
servicing dealer or engine distributor.
40-21
080706
PN=194