W 250 Pickup V8-360 5.9L VIN 5 (1989)
2.
Loosen air pump pivot and adjusting bolts, and remove air pump belt.
3.
Remove air pump bolts. Remove air pump and pulley, switch/relief or diverter valve, and brackets from vehicle.
4.
Remove switch/relief or diverter valve, brackets, and pulley from air pump. Remove the gasket and clean surfaces that will be used again.
INSTALLATION
1.
Install air pump pulley, diverter or switch/relief valve (use new gasket), and brackets on air pump. Refer to SPECIFICATIONS for torque
specifications.
2.
Position air pump on engine and install pump bolts and pump pivot bracket.
3.
Install air pump belt and adjust to specifications. Refer to SPECIFICATIONS for air pump belt and mounting bolt torque specifications.
4.
Reconnect air hose to the switch/relief or diverter valve.
WARNING: Never pry on the air pump housing to tighten the drive belt.
