6 Maintenance
TZ-67
6.5
Hub Assembly
Disassembly
1. Remove Nozzles (20). Nozzles are untightened with a wrench on the faces of the Nozzles.
2. Remove Screws (16), and Spring washers (16) and Hub cover (19).
3. Draw out Hub (21) together with Ball retainer with balls (24) and Bevel gear (18).
4. Remove Lipseal (22) and check for wear. If the Lipseal is worn, it has to be replaced.
Note: If Ball races in Hub cover (19.1) and in Bevel gear (18.1) are extremely worn, they should be replaced as well as the Ball
retainer with balls (24). How to replace Ball races see page 31).
Reassembly
1. Mount the Lipseals (22).
2. Slide on Hub (21). Reinsert Bevel gear with race (18) and Ball retainer with balls (24).
3. Mount Hub cover with race (19), and set with Spring washers (16) and Screw (15).
4. Screw on Nozzles (20) and tighten with wrench. If desired, secure with liquid threadlocker Loctite no. 243 or equivalent.
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