Alfa Laval Toftejorg MultiJet 25, Instruction Manual

Page: 13 / 32

Maintenance and Repair
Preventive Maintenance
In order to keep your tank cleaning machine servicing you as an efficient tool in your tank cleaning
operations, it is essential to maintain its high performance by following a simple preventive
maintenance programme, which will always keep your tank cleaning machine in good condition.
Good maintenance is careful and regular attention!
The following recommended preventive maintenance is based on tank cleaning machines working in
average conditions. However, you will appreciate that a tank cleaning machine, which has a rough and
dirty job to do, will need more frequent attention than one working in ideal conditions. We trust that you
will adjust your maintenance programme to suit.
Always use only proper tools. Use Toftejorg MultiJet 25 standard tool kit. Never force, hammer or pry
components together or apart. Always perform all assembly/disassembly steps in the order described
in this manual.
Never assemble components without previous cleaning. This is especially important at all mating
surfaces. Work in a clear well lighted work area.
Every 500 working hours
1. Disassemble machine as described on the following pages.
2. Clean material build-up and deposits from internal parts with Scotch-brite, S-Ultra-fine, eventually
chemical media and fine abrasive cloth.
3. Check Slide bearing (Pos. 14, page 17 for wear. If end face of Slide bearing is worn more than 1
mm into Slide bearing, it should be replaced.
4. Check bearing for Turbine shaft top (Pos. 24, page 15) in Cone and Body. If holes are worn oval to
a max. diameter of more than 10.4 mm, Bearings should be replaced. Thickness of collar is to be
min. 3.5 mm for Bearing in Body. If the Bearings are loose in a horizontal direction, the bearings
should be replaced.
5. Check Carrier bearing (Pos. 15.3, page 15). If worn oval to a max. diameter of more than 15.8
mm, it should be replaced.
Note: Timely replacement of Slide bearings and bearings for Turbine shaft will prevent costly
damage to the gearbox.
Page 12 Instruction Manual, Toftejorg MultiJet 25
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