9
Maintenance and Inspection
9.3 Grease Replenishment/Exchange
9-20
177010-1CD
HW1483759
MH215
II
Grease Exchange for R-Axis Speed Reducer
(Refer to
1. Remove the hexagon socket head plug from the grease inlet and
exhaust port.
2. Install a grease zerk A-PT1/8 to the grease inlet. (The grease zerk is
delivered with the manipulator.)
3. Inject the grease through the grease inlet using a grease gun
– Grease type:
Molywhite RE No. 00
– Amount of grease:
approx. 2050 cc
– Air supply pressure of grease pump: 0.3 MPa or less
– Grease injection rate:
8 g/s or less
4. The grease exchange is completed when new grease appears in the
grease exhaust port. (The new grease can be distinguished from the
old grease by color.)
5. Move the R-Axis for a few minutes to discharge excess grease.
6. Wipe the discharged grease with a cloth and reinstall the plug PT1/8
on the grease exhaust port. Apply Three Bond 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).
7. Remove the grease zerk from the grease inlet and reinstall the plug
PT1/8. Apply Three Bond 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).
NOTE
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.
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.
NOTE
If the plug is installed while the grease is being exhausted,
the grease will leak inside the motor and may cause a
damage. Ensure that the grease has been completely
exhausted before installing the plug.
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