Grease Replenishment For R-Axis Gear - YASKAWA MOTOMAN-VA1400 Instructions Manual

VA1400

9.3.8 Grease Replenishment for R-Axis Gear

9 Maintenance and Inspection
9.3 Notes on Grease Replenishment/Exchange Procedures
7. Install a grease zerk A-MT6X1 to the grease inlet 2. (The grease zerk
is delivered with the manipulator.)
8. Inject grease through the grease inlet 2 using a grease gun.
– Grease type:
– Amount of grease:
The exhaust port is used for air exhaust, and the grease is
NOTE
not exhausted from the exhaust port. Do not inject
excessive grease through the grease inlet.
9. Remove the grease zerk from the grease inlet 2, and reinstall the
screw. Before installing the screw, apply Three Bond 1206C on the
thread part of the screw, then tighten the screw with a tightening
torque of 6 N•m (0.6 kgf•m).
10. Reinstall the set screw to the exhaust port. Before installing the set
screw, apply Three Bond 1206C on the thread part of the screw, then
tighten the screw with a tightening torque of 2.9 N•m (0.29 kgf•m).
Fig. 9-11: R-Axis Gear Diagram
Grease exhaust port
(Hexagon socket head plug PT1/8)
Grease inlet
(Hexagon socket head plug PT1/8)
For the ceiling-mounted manipulator, the grease exhaust
NOTE
port and the grease inlet are inverted.
1. Make the U-arm horizontal to the ground.
2. Remove the hexagon socket head plug PT1/8 from grease exhaust
port.
3. Remove the hexagon socket head plug PT1/8 from the grease inlet
.
• 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.
NOTE
• 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.
9-19
155556-1CD
Alvania EP Grease 2
5 cc
R-axis gear
HW0484963
64 of 85