9
Maintenance and Inspection
9.3 Grease Replenishment/Exchange
9-20
175873-1CD
HW1483557
VS100
9.3.7 Grease Replenishment/Exchange for B- and T-Axes Speed Reducers
and Gears
Fig. 9-9: B- and T-Axes Speed Reducers and Gears
9.3.7.1 Grease Replenishment
Fig. 9-9 “B- and T-Axes Speed Reducers and Gears”
1. Remove the hexagon socket head cap screw M6x6 from the grease
exhaust port.
2. Remove the hexagon socket head plug PT1/8 from the grease inlet
and install the grease zerk PT1/8. (The grease zerk is delivered with
the manipulator.)
3. Inject grease through the grease inlet using a grease gun.
– Grease type:
Molywhite RE.No.00
– Amount of grease:
240 cc
(480 cc for 1st supply)
– Air supply pressure of grease pump: 0.3 MPa or less
– Grease injection rate:
8 g/s or less
4. Move the B-axis for a few minutes to discharge excess grease.
5. Wipe the discharged grease with a cloth and reinstall the screw M6x6
on the grease exhaust port. Apply ThreeBond 1206C to the thread
part of the set screw, and tighten the set screw with a tightening torque
of 6 N
•
m (0.6 kgf
•
m).
6. Remove the grease zerk from the grease inlet and reinstall the plug
PT1/8. Apply ThreeBond 1206C to the thread part of the plug, and
tighten the plug with a tightening torque of 4.9 N
•
m (0.5 kgf
•
m).
(Hexagon socket head plug PT1/8)
Grease inlet
T-axis speed reducer
B-axis speed reducer
(Hexagon socket head cap screw M6x6)
Grease exhaust port
NOTE
• If grease is injected with the screw on, the grease will leak
inside the motor and may cause a damage. Make sure to
remove the screw before the grease injection.
• Do not install a joint, a hose, etc. to the grease exhaust
port. Failure to observe this instruction may result in
damage to the motor due to coming off of an oil seal.
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