PROCEDURE
INSTALL VACUUM PUMP BEARING
Using a press, press in a new bearing to the shaft.
INSTALL VACUUM PUMP SHAFT
Using SST and a press, press in the shaft to the housing.
Using snap ring pliers, install a new snap ring.
Note
Make sure that the snap ring is firmly installed to the groove.
INSTALL VACUUM PUMP GEAR
Install the woodruff key and gear to the pump with the gear lock nut.
Mount the gear in a vise.
Note
Place aluminum plates on the vise to prevent damage to the gear.
Tighten the gear lock nut.
INSTALL VACUUM PUMP BLADE
| *a | Round End |
Apply engine oil to the rotor and install the rotor to the housing.
Install 5 new blades with the round end facing outward.
Tech Tips
Apply engine oil to the blade.
Make sure that the blades are flush with the rotor surface.
INSTALL VACUUM PUMP END COVER
Mount the pump in a vise.
Note
Place aluminum plates on the vise to prevent damage to the pump.
Install 2 new O-rings.
Install the end cover and temporarily install the 3 bolts.
Using a 5 mm pin punch and hammer, tap in the 2 straight pins.
Tighten the 3 bolts.
INSTALL CHECK VALVE SUB-ASSEMBLY
Install a new gasket and the check valve.
Install 2 new gaskets and the union with the union bolt.
Tech Tips
Align and insert the union pin into the matching hole of the casing.