Wacker Pump PT3A 2012 Mechanical Seal Replacement

Written By: Arthur Shi

Comments: 1

Wacker Pump PT3A 2012 Mechanical Seal Replacement

Difficulty

Moderate

Steps

Time Required

20 - 30 minutes

Introduction

This guide shows how to remove and replace the mechanical seal for the Wacker Pump PT3A 2012.

Note: There are several versions of this device, and each uses a different mechanical seal design that’s incompatible with the others. Contact Wacker Neuson with the device serial number, and they will confirm which mechanical seal you need for the device.

Tools

Parts

Step 1

Before you begin, make sure the device is switched off and the engine is cool to the touch.
Grab the plastic housing at the end of the spark plug wire.
Pull firmly to disconnect the wire from the spark plug.

Step 2

Use the included wrench to loosen the four black knobs securing the pump housing cover.
If the wrench is missing, slide a screwdriver shank through the knob and twist to loosen the knobs.

Step 3

Slide the pump housing cover out of the pump and remove it.

Step 4

Use a 10 mm socket and wrench to remove the three bolts securing the recoil starter.

Step 5

Remove the recoil starter from the engine.

Step 6

Slide a large screwdriver through the slots in the starter cap and brace the screwdriver with a wooden block to prevent the driveline from turning clockwise.