Alfa Laval Toftejorg TZ-79, Instruction Manual, Page: 21 / 48

Maintenance and Repair
(continued)
Preventive Maintenance
5. Check Worm wheels (pos. 13 and pos. 14). If extremely worn, they should be replaced.
6. Check Main bush (pos. 6). If worn oval to max. diameter more than 15.4 mm, it should be
replaced.
7. Assemble machines as described in the following pages.
8. Check that the machine is in operating condition by inserting hex Screwdriver (tool No. TE134A) in
screw in top of Turbine shaft and easily turn Turbine shaft clockwise. If any resistance is
recognized, the machine should be disassembled to localize the cause.
Apart from the parts specifically mentioned above, all the remaining wear parts should regularly be
inspected for wear. Which parts that are wear parts appear from Reference List of Parts, page 40.
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