Maintenance and inspection
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9.3.3 Grease replenishment/exchange for U-axis reduction gear unit
Fig. 9-11: U-axis gear
9.3.3.6 Refill grease
See figure "U-axis gear diagram".
NOTICE
Follow the instructions in the chapter 9.3 "Instructions on grease replenishment" on page
58.
1. Set U-arm horizontal to ground
2. Remove plug from grease exhaust port and grease inlet port.
3. Install lubricating nipple to grease inlet port.
4. Squeeze grease by grease gun in grease inlet port.
– Amount of grease: 90 cm³ / approx. 80 g
5. Move U-axis for a few minutes to discharge excess grease.
6. Wipe away excess grease with a cloth. Remove the grease zerk from the grease inlet
port, and reinstall the plug. Before installing the plugs, apply Teroson Plast sealing
compound (material no. 143813) to thread part.
9.3.3.7 Replace grease
See figure "U-axis gear diagram".
1. Remove plug from grease exhaust port and grease inlet port.
2. Install lubricating nipple to grease inlet port.
3. Squeeze grease by grease gun in grease inlet port.
– Amount of grease: 460 cm³ / approx. 400 g
Grease exchange has completed if new grease appears from grease exhaust port.
New grease seperates from old grease by lighter color.
4. Move S-axis for a few minutes to discharge excess grease.
5. Wipe away excess grease with a cloth. Remove the grease zerk from the grease inlet
port, and reinstall the plug. Before installing the plugs, apply Teroson Plast sealing
compound (material no. 143813) to thread part.
U-arm U-axis gear
Grease leakage detection hole Grease inlet port
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