Grease Replenishment For R-Axis Speed Reducer; For Application Of Serial Numbers S3W120-5 To S3W120-6 - YASKAWA MOTOMAN-HP6 YR-HP6-A00 Instructions Manual

9.2 Notes on Maintenance Procedures
9.2.5

Grease Replenishment for R-Axis Speed Reducer

Note that the grease replenishment procedure is different by serial number of the subject
manipulator.
The serial number is indicated on a nameplate. (Refer to " Explanation of Warning Labels " on
page 6(vi).)

For Application of Serial Numbers S3W120-5 to S3W120-6

Fig. 31 (a) R-Axis Speed Reducer Diagram (For Serial Numbers S3W120-5 to S3W120-6)
1. Remove a plug from the exhaust port.
2. Remove a plug from the grease inlet, then install the grease zerk PT1/8. The grease
zerk is provided at factory.
3. Inject grease into the grease inlet using a grease gun. (Refer to " Fig. 31 (a) R-Axis
Speed Reducer Diagram (For Serial Numbers S3W120-5 to S3W120-6) ".)
NOTE
The exhaust port is used for air flow. Do not inject excessive grease into the grease inlet.
4. Remove the grease zerk from the grease inlet, then reinstall the plug.
Apply Three Bond 1206C to screwed parts when installing the plug.
5. Reinstall the plug on the exhaust port.
Apply Three Bond 1206C to screwed parts when installing the plug.
Exhaust port
(Hexagon socket head plug PT1/8)
Grease inlet
(Hexagon socket head plug PT1/8)
Grease type: Harmonic grease SK-1A
Amount of grease: 8cc
(16cc for first supply)
9-13
HW0481893