204 Heavy Duty Combination Brake Lathe
MAINTENANCE (continued)
DISASSEMBLY, REPAIR, REPLACEMENT AND REASSEMBLY
1. Unplug machine.
2. Remove tooling from machine.
3. Remove arbor by loosening draw bar.
4. Drain oil.
5. You are now ready to start repair.
SPINDLE BEARING
NOTE: It is rare for the spindle bearing to need replacement.
1. Check that items 1-5 above have been completed.
2. Remove belt guard.
3. Loosen wing nut (Page 30, Item 14) to allow motor to lift up to remove belt (Item 12).
4. Punch out groove pin (Page 26, Item 2) remove oiler (Item 4), then lift out
handwheel assembly.
5. Loosen screws (Page 28, Item 12), (Page 12, Item 34).
6. Pull back on bearing housing (Page 19, Item 11), turn side ways, pull shaft (Item 28)
removing (Items 29, 30, and 31).
7. Remove washer (Item 4) and bolt (Item 23), hold bearing housing (Item 11) and
spindle, and remove from machine.
8. Now remove and replace spindle bearing (Page 17, Item 3).
9. Reverse above for assembly.
10.Always replace front and rear seals, Part No. 804-1415-69.
REPLACE ZERO MAX SIDE SEALS Worm Shaft & Output Shaft Seals (Page 17)
1. Remove the two screws (Item 23) and lift zero max off machine.
2. Remove couplings (Item 19 & 33), remove seals and replace them. Reassemble.
REPLACE FRONT BEARING OIL SEAL (Page 17, Item 4)
1. Crank spindle back to farthest position.
2. Pull seal out and press new seal in.
Van Norman 19. 888-855-1789
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