6 Maintenance
TZ-67
6.4
Bottom assembly
Disassembly
1. Turn machine upside down.
2. Remove Screws (15) and Spring Washer (16) from Bottom cover (30).
3. Remove Bottom cover (30).
4. Remove Screws (15) in Bearing cover (14). Carefully push out Turbine shaft (6) from opposite end. Do not try to hammer
out Turbine shaft, since this can damage Slide bearing.
5. Remove Screws (15) and Spring Washers (16) along the circumference of Gear frame (29). Turn Gear frame about 1 cm (½”).
Draw out Gear Subassembly (holes in Gear frame are excellent for holding Gear Subassembly).
Reassembly
1. Reinsert Gear subassembly in bottom of machine body. Turn Gear Frame (29) to align holes in Gear frame and 3/16” threads
in body. Mount Spring washers (16) and Screws (15) along circumference of Gear frame (29). Tighten screw crosswise.
Note: To secure meshing between Gear wheel (7) and Pinion (9). It might be necessary to rotate slightly either the whole Gear
Subassembly or the Gear wheel.
2. Reinsert Turbine shaft (6) with Slide bearing carefully through Gear wheel (7). Push carefully Slide bearing (28) into position.
Mount Bearing cover (14) with Screws (15). Tighten crosswise.
3. Place Bottom cover (30).
4. Mount Spring washers (16) and Screws (15) and tighten crosswise.
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