Swine Robotics Boar Bot, Owner'S Manual

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VI. Replacing the gearbox seal
1. Disconnect the power.
2. Remove drive chain on side of bad seal.
3. Loosen the sprocket set screw and remove sprocket and square key from gearbox
shaft.
4. Remove the 4 cap screws from the shaft end of the gearbox to remove gearbox
endplate.
5. Remove the old seal from the endplate.
6. Drive the new seal into the endplate with care that the seal is not ruined.
7. Replace end plate, key and sprocket.
8. Replace drive chain and tighten.
VII. Replacing gearbox broken shaft
NOTE: The broken shaft can be replaced without removing the cover.
1. Disconnect the power.
2. Remove the rear battery.
3. Remove the drive chain
4. Remove both end plates from the gearbox.
5. Remove the seal from shaft side of the endplate.
6. Drive the new seal into the endplate, taking care that the seal is not ruined.
NOTE: If replacing shaft only, remove old bearings and gear from old shaft and
fit them unto the new shaft. If replacing gearbox shaft assembly, continue.
7. Feed the shaft assembly into the gearbox from the inside gearbox cover.
8. Align bevel gear with worm gear by slightly turning the shaft.
9. Replace both end plates.
10. Replace sprocket and square key and tighten sprocket set screw.
11. Replace and tighten chain.
12. Replace rear battery and reconnect power.