D 250 Pickup V8-5.9L VIN Z (1992)
Air Injection Pump: Service and Repair
REMOVAL
1.
Remove air hose from air pump outlet elbow, or control valve.
Single Air Pump Removal/Installation
2.
Loosen air pump pivot and adjusting bolts and remove belt.
3.
Remove pivot and adjusting bolts from pump brackets. Remove pump pulley and brackets as an assembly.
4.
Remove air pump pulley, brackets and diverter valve. Remove switch/relief valve or outlet elbow from air pump.
INSTALLATION
1.
Install air pump pulley, diverter valve, switch/ relief valve and brackets on air pump. Use new gasket on pump flange. Tighten the air pump pulley
screws and outlet elbow mounting screws to 11 Nm (95 in. lbs.) torque. Tighten bracket attachment bolts to 41 Nm (30 ft. lbs.) torque.
2.
Position pump assembly on engine. Install the air hose to the diverter valve, switch/relief valve or outlet elbow. Install pump pivot and adjusting
bolts loosely.
3.
Install drive belt and adjust. Do not pry on air pump housing. Tighten mounting bolts to 41 Nm (30 ft. lbs.) torque.
