4 Notes on Grease Replenishment/Exchange Procedures
4.1 Grease Exchange Procedures for Speed Reducers and Gears
4-6
HW1484673
HW1484673
Fig. 4-2: Grease Receiving Bag (Example)
10. Wipe the discharged grease with a cloth, and reinstall the plug. Clean
and degrease the tap part and the thread part of the plug. Wrap the
seal tape TB4501 around the plug, attach the plug with seal tape to the
grease exhaust port, and then tighten it with the tightening toque
shown in table 4-6 “Plug Type and Tightening Torque for Each Axis” .
Table 4-6: Plug Type and Tightening Torque for Each Axis
Axis to exchange grease Plug for the grease inlet Plug for the grease exhaust port
Plug type Tightening torque Plug type Tightening torque
S-axis PT1/4 12 N•m (1.2 kgf•m) PT3/8 23 N•m (2.34 kgf•m)
L-axis PT3/8 23 N•m (2.34 kgf•m)
U-axis PT1/8 4.9 N•m (0.5 kgf•m)
R-axis
B-, and T-axes
B-, and T-axis gear
PT1/8 4.9 N•m (0.5 kgf•m)
Union (inside dia.: 6 mm or more)
PT3/8
Tube (inside dia.: 6 mm or more)
Bond for fixing a grease receiving bag
Grease receiving bag
Cut one corner to remove air.
To prevent grease from scattering from the cut corner,
cover the receiving bag with a plastic bag etc. without
being sealed.
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