Grease Replenishment For B- And T-Axis Speed Reducers - YASKAWA MOTOMAN-HP20D Maintenance Manual

159281-1CD
HP20D
4.6
B-axis speed reducer
4 Grease Replenishment and Exchange

4.6 Grease Replenishment for B- and T-Axis Speed Reducers

Grease Replenishment for B- and T-Axis Speed Reducers
Fig. 4-5: B- and T-Axis Speed Reducers
1. Remove the hexagon socket head cap screw from the grease inlet and
the plug LP-M5 or the hexagon socket set screw from the exhaust
port.
NOTE
For the B-axis, remove the cover.
2. Install the grease zerk A-MT6 x 1 to the grease inlet.
(The grease zerk is delivered with the manipulator.)
3. Inject grease through the grease inlet using a grease gun.
(See Fig. 4-5 "B- and T-Axis Speed Reducers".)
– Grease type:
– Amount of grease:
The exhaust port is used for air flow only. Do not inject
NOTE
excess grease through the grease inlet.
4. Reinstall the plug or screw on the exhaust port. Apply ThreeBond
1206C to the thread part of the plug or screw.
5. Remove the grease zerk from the grease inlet and reinstall the screw.
Apply ThreeBond 1206C to the thread part of the screw, and tighten
the screw with a tightening torque of 5 N•m (0.51 kgf•m).
For the B-axis, mount the cover. (Refer to chapter 2 "Notes
NOTE
for Maintenance".)
4-9
B-axis exhaust port
(Plug LP-M5)
T-axis speed reducer
T-axis exhaust port
(Hexagon socket set screw M6)
T-axis grease inlet
(Hexagon socket head cap screw M6)
B-axis grease inlet
(Hexagon socket head cap screw M6)
Harmonic Grease SK-1A
B-axis: 10 cc
(20 cc for 1st supply)
T-axis: 5 cc
(10 cc for 1st supply)
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