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# VACUUM PUMP (for KD Series Engine) > REASSEMBLY

## for Preparation Click here

1. INSTALL VACUUM PUMP BEARING

1. Using a press, press in a new bearing to the shaft.

2. INSTALL VACUUM PUMP SHAFT

1. Using SST and a press, press in the shaft to the housing.

   SST
     09608-04031

1. Using snap ring pliers, install a new snap ring.

   NOTICE:
     Make sure that the snap ring is firmly installed to the groove.

3. INSTALL VACUUM PUMP GEAR

1. Install the woodruff key and gear to the pump with the gear lock nut.

1. Mount the gear in a vise.

   NOTICE:
     Place aluminum plates on the vise to prevent damage to the gear.

1. Tighten the gear lock nut.

   Torque:
     110 N*m{ 1,122 kgf*cm , 81 ft.*lbf }

4. INSTALL VACUUM PUMP BLADE A

1. Apply engine oil to the rotor, and install the rotor in the housing.

1. Install the 5 new blades with the round end facing outward.

   HINT:
   1. Apply engine oil to the blade.
   2. Make sure that the blades are flush with the rotor surface.

5. INSTALL VACUUM PUMP END COVER

1. Mount the pump in a vise.

   NOTICE:
     Place aluminum plates on the vise to prevent damage to the pump.

1. Install 2 new O-rings.

1. Install the end cover and temporarily install the 3 bolts.

1. Using a 5 mm pin punch and hammer, tap in the 2 straight pins.

1. Tighten the 3 bolts.

   Torque:
     7.8 N*m{ 80 kgf*cm , 69 in.*lbf }

6. INSTALL CHECK VALVE SUB-ASSEMBLY

1. Install a new gasket and the check valve.

   Torque:
     74 N*m{ 755 kgf*cm , 54 ft.*lbf }

1. Install 2 new gaskets and the union with the union bolt.

   Torque:
     14 N*m{ 143 kgf*cm , 10 ft.*lbf }

   HINT:
     Align and insert the union pin into the matching hole of the casing.