9 Maintenance and Inspection
9.3 Notes on Grease Replenishment/Exchange Procedures
9-10
155976-1CD
HW0485249
ES165D
6. Wipe the discharged grease with a cloth, and reinstall the plug. Before
installing the plug, apply Three Bond 1206C on the thread part of the
plug, then tighten the plug with a tightening torque of 5 N•m
(0.51 kgf•m).
9.3.2 Grease Replenishment/Exchange for L-Axis Speed Reducer
F
ig. 9-5: L-Axis Speed Reducer Diagram
9.3.2.1 Grease Exchange
(Refer to Fig. 9-5 “L-Axis Speed Reducer Diagram”.)
1. Make the L-arm vertical to the ground.
2. Remove the hexagon socket head plug PT3/8 from the grease
ex
haust port.
3. Install a grease zerk A-PT1/8 to the grease inlet. (The grease zerk is
d
elivered with the manipulator.)
4. Inject grease through the grease inlet using a grease gun.
– Grease type: Molywhite RE No. 00
–
Amount of grease: 280 cc
(560 cc for 1st supply)
– Air supply pressure of grease pump: 0.3 MPa or less
– Grease injection rate: 8 g/s or less
5. Move the L-axis for a few minutes t
o discharge excess grease.
6. Wipe the discharged grease with a cloth, a
nd reinstall the plug. Before
installing the plug, apply Three Bond 1206C on the thread part of the
plug, then tighten the plug with a tightening torque of 5 N•m
(0.51 kgf•m).
If the plug is installed when the grease is being exhausted,
the grease will go inside the motor and may damage it.
Hexagon socket head plug PT3/8
Grease exhaust port
Grease Inlet
Hexagon socket head plug PT1/8
If grease is injected with the plug on, the grease will leak
inside the motor and may cause a damage. Make sure to
remove the plug before the grease injection.
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