Alfa Laval Tank Cleaning Machine Gunclean Toftejorg TZ-82 Portable

1. A. With big end downwards knock several times Body with bearings (pos. 26) hard against firm wooden support until Ball race (pos. 26.3) drops out.

1. B. If it is not possible to knock out Ball race in this way, it is necessary first to screw out Main collar lower (pos. 26.2) - see page 26. Carefully push off old Ball race without damaging Main collar lower. Use mandrel and firm support. Before mounting of new Ball race, main collar lower (pos. 26.2) must be remounted into Body - see page 26.

2. Clean surfaces and place Ball race (pos.26.3) on Main collar lower (pos. 26.2). Press by hand as long as possible. By means of a tube mandrel or if desired wooden block, carefully hammer Ball race home. Ball race must not project over of Main collar lower. To avoid tilting mandrel must push along the whole circumference of Ball race. Do not damage surface of Ball race.

1. Place Gear wheel with ball race (pos. 7) on support. Support only under Ball race (pos. 7.1). With mandrel press off old Ball race.

2. Clean surfaces and press on new Ball race. Ball race must be pressed fully home on Gear. Press parallel. Use press or vice. Do not damage surface of Ball race.

1. Place Hub cover with ball race (pos. 19) on support. Carefully knock out old Ball race by means of small mandrel or if desired screwdriver. Knock several times around the circumference to avoid tilting.

Place Gear frame (pos. 29) upside down with a firm support under the flange. Use for instance jaws of a vice. Do not clamp on machined surfaces.

Collar bush knocked out with Pusher (tool No. TE81B033, see page 28)?

Turn Gear frame to upright position and hold over support such as flat steel bar clamped in a vice.

Collar bush knocked out with Pusher?

Turn Gear frame 90° and hold over support.

Collar bush knocked out with Pusher?

Warning: To avoid risk of deforming Gear frame, it is utmost important that it is supported while the Collar bushes are being knocked out.

Holes cleaned and new Collar bushes pushed into Gear frame?

Sign off on the Collar bushes replacement

• Although normally exposed to very limited wear, it is possible to replace Main collars (pos. 26.1 and 26.2) in Body. The procedure to do this is described below.

1. Place Body (pos. 26) in a vice in upright position. Do not clamp on machined faces. Insert Tool (see page 29) into Main collar upper (pos. 26.1). Unscrew Main collar.

2. Carefully clean thread and recess in Body. Do not damage special thread in Body. Recess must be absolutely clean.

3. Make sure that new Main collar is clean and free from impurities.

4. Screw in new Main collar. Attention should be given to make sure that thread is in correct engagement before screwing in Main collar.

5. Tighten Main collar fully home, and tighten up.

6. Check that main collar is fully home: Install Stem, Ball retainer with balls and Gear wheel (see page 18). Check that there is sufficient axial clearance to allow for free rotation of Stem.