9-7
170904-1CD
HW1482870
9 Maintenance and Inspection
9.3 Grease Replenishment/Exchange
MPL80
II
9.3 Grease Replenishment/Exchange
9.3.1 Notes on Grease Replenishment/Exchange Procedures
Make sure to follow the instructions listed below at grease replenishment/
exchange. Failure to observe the following notes may result in damage to
a motor and a speed reducer.
• If grease is added without removing the plug from the
grease exhaust port, grease will leak inside a motor or an
oil seal of a speed reducer will come off, which may result
in damage to the motor. Make sure to remove the plug.
•
Do not install a joint, a hose, etc. to the grease exhau
st
por
t. Failure to observe this instruction may r
esult in
damage
to the motor due to coming off of an oil seal.
•
Make sure to use a grease pump to inject grease. Set
air
s
upply pressure to the grease pump at 0.3 MPa or less
,
and
the grease injection rate at 8 g/s or less.
• Make s
ure to fill hoses, which are j
oined to the grease
inlet, with gr
ease beforehand to prevent air from intruding
into the speed reducer
.
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