6 Maintenance
TZ-67
6.7
Gear Subassembly
Disassembly
1. To make a backstop, remount Turbine shaft (6) with Slide bearing (28) into Gear frame (29). Mount Bearing cover (14) with
Screws (15).
2. Hold Turbine shaft (6) against 1st stage Worm wheel (33) with one hand and loosen Screws (15) in Pinion (9) and Horizontal
shaft (27) with the other hand.
3. Remove Screws (15) in Bearing cover (14) and take out Turbine shaft (6).
4. Draw out Horizontal shaft (27) and 1st stage Worm wheel (33) after removal of Screw (15), Spring washer (16) and Washer (13).
5. Draw out Pinion (9) and 2nd stage Worm wheel (11), also freeing Journal (12) after removal of Screw (15), Spring washer
(16) and Washer (13).
6. Remove Bearing cover (14) and Slide bearing (28) after removal of Screw (15).
7. Remove Screw (15), Spring washer (16), Washer (13) and Slide bearing (28) from Turbine shaft (6). Use faces on Turbine
shaft to hold against rotation.
Warning:
Do not destroy driver faces on Turbine shaft. Use only proper tools providing a firm grip such as a wrench or
a vice.
How to replace Collar bushes (10), see page 30.
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