How to Install the Integral Oil Pump

Special Instructions

Lubricate the case front plug O-ring with Eaton/Fuller lubricant #71206 or equivalent.

Special Tools

• Typical Service Tools

Procedure -

1. If removed, replace the front case pump plug O-ring. lubricate the grove of the plug, install the O-ring onto the plug, and then lubricate the outer diameter of the O-ring.

2. Seat the front case pump plug in the case bore by hand. Do not install the pump plug using any type of impact tool (i.e. hammer, maul, etc.).

Note: P/N 4303107 retainer plate, which has a smaller outside diameter, must be used with maincase machined after April 1995. If an older oil pump assembly is installed into a new case, P/N 20510 retainer plate will not seat properly in the spot face machined in the case wall

3. With the retainer bore facing the case rear, install the integral oil pump over the alignment pin inside the case.

4. Align oil pump with retainer and alignment pin and install the integral oil pump assembly.

5. Install three (3) allen head capscrews and washers through the case front and into the pump housing. Tighten the capscrews to 8-12 lb-ft of torque.

6. Replace the O-ring on the suction tube.

7. Install the tube under the case rib and into the integral oil pump.

8. Bend the suction tube lock over the case rib.

Final Check

• Make sure the integral oil pump drive gear can turn.