August 2018
Part No. 57.4400.9220GT
GTH-2506 GTH-3007
4-27
Section 4 • Repair Procedures
HYDRAULIC PUMPS
How to Prime the Boom and
Steering Function Pump
1 Start the engine, allow the engine to run at low
idle for 15 seconds then shut off the engine.
2 Wait 15 seconds, then start the engine again.
3 Allow the engine to run at low idle for 15
seconds and then shut off the engine.