Page 28
Instruction Manual, Gunclean Toftejorg TZ-75 Portable
Standard machines and machines delivered with ATEX certification
in accordance with Directive 94/9/EC
IM-TE91A251-EN3
Maintenance and repair
(continued)
Gear Subassembly
Disassembly
1.
Hold Turbine shaft (pos. 7) against 1st stage Worm wheel (pos. 14) with one hand and loosen
Screws (pos. 17) in Pinion (pos. 11) and Horizontal shaft (pos. 29) with the other hand.
2.
Draw out Turbine shaft (pos. 7) after Screw (pos. 17), Spring washer (pos. 16) and Washer (pos.
18) has been removed. Use faces on Turbine shaft to hold against rotation.
Warning
:
Do not damage driver faces on Turbine shaft. Use only proper tools providing a firm
grip such as a wrench or a vice.
3.
Draw out Horizontal shaft (pos. 29) and 1st stage Worm wheel(pos. 14) after removal of Screw
(pos. 17), Spring washer (pos. 16) and Washer (pos. 18).
4.
Draw out Pinion (pos. 11) and 2nd stage Worm wheel (pos. 13), also freeing Journal (pos. 15)
after removal of Screw (pos. 17), Spring washer (pos. 16) and Washer (pos. 18).
5.
Remove Bearing covers (pos. 32) and Slide bearing (pos. 30), after removal of Screws (pos. 17).
How to replace Collar bushes (pos. 12), see page 30.
Reassembly
1.
Push Slide bearings (pos. 30) into Gear frame (pos. 31) and fix Bearing covers (pos. 32) with
Screws (pos. 17). Tighten crosswise.
2.
Insert 2nd stage Worm wheel (pos. 13), Pinion (pos. 11) and Journal (pos. 15). Mount Washer
(pos. 18), Spring washer (pos. 16) and fix with Screw (pos. 17). Check rotation.
3.
Insert 1st stage Worm Wheel (pos. 14) and Horizontal shaft (pos. 29). Mount Washer (pos. 18),
Spring washer (pos. 16) and fix with Screw (pos. 17). Check rotation.
4.
Insert turbine shaft (pos. 7). Mount Washer (pos. 18), Spring washer (pos. 16) and fix with Screw
(pos. 17). Use faces on Turbine shaft to hold against rotation when tightening screw.
5.
Hold Turbine shaft (pos. 7) against 1st stage Worm wheel and tighten Screws (pos. 17) in
Horizontal shaft (pos. 29) and Pinion (pos. 11). Check rotation on Turbine shaft.
