Volvo D11F Operator's Manual And Maintenance Instructions page 76

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D11F and D13F Primer Pump (D11F shown, D13F similar)
1. Unlock the hand pump by turning the handle counterclockwise.
2. Prime the system by moving the primer pump in an up and down
pumping motion. Avoid putting any side load on the pump or causing a
binding condition.
3. Lock the hand primer pump by retracting it into the housing and turning
it clockwise.
4. Start the engine and run it at an increased idle speed for approximately
5 minutes to remove any remaining air in the system.
5. Check the fuel system for leaks.
Maintenance and Service