YASKAWA MOTOMAN-MFL15D-875 Instructions Manual page 66

MFL15D-875/-1600 9 Maintenance and Inspection
9.3 Grease Exchange Procedures
 Grease Exchange
(Refer to Fig. 9-6(a) "R-, L-Axes Speed Reducers".)
(Note: Grease exchange of R-, L-axes speed reducers is necessary only
for section B shown in Fig. 9-6(b) "R-, L-Axes Speed Reducers (A, B, and
C Part)".)
1. Posture the R- and L-axes as shown in Fig. 9-6(a).
2. Remove the hexagon socket head plugs PT1/8 on the grease exhaust
ports Ro and Lo and the grease inlets Ri and Li.
If grease is added without removing the hexagon socket
head plugs PT1/8, the internal pressure will increase and
NOTE
may cause a damage.
Never fail to remove the hexagon socket head plugs PT1/8
before the grease injection.
3. Install grease zerks A-PT1/8 on the respective Ri and Li grease inlets,
then inject grease into the respective Ri and Li grease inlets.
Grease Type: Molywhite RE No.00
Amount of Grease: Approx. 120 g
Air Supply Pressure of Grease Pump: 0.3 MPa or less
Grease Injection Rate: 8 g or less
4. The grease exchange is complete when the old grease is drained off
and the new grease appears in the Ro and Lo grease exhaust ports.
(The new grease can be distinguished from the old grease by color.)
5. Move the R- and L-axis for a few minutes to discharge excess grease.
6. Wipe off the exhausted grease with a cloth, and reinstall the hexagon
socket head plugs PT1/8 on the grease inlets Ri and Li and the grease
exhaust ports Ro and Lo. Apply ThreeBond 1206C to the thread parts.
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