9
Maintenance and Inspection
9.3
Grease Replenishment/Exchange
9-21
HW1483270
HW1483270
9.3.9 Grease Replenishment for Tapered Roller Bearing in the Link Part
Fig. 9-11: Link Part Diagram
1. Remove the hexagon socket head plug PT1/8 from the exhaust port of
each link part (6 places: 3 places × both sides).
(Refer to
.)
2. Remove the hexagon socket head plug PT1/8 from the grease inlet of
each link part and install the grease zerk A-PT1/8.
(The grease zerk is delivered with the manipulator.)
3. Inject grease using a grease gun.
– Grease type:
Alvania EP grease 2
– Amount of grease:
9 cc
(18cc for the 1st supply)
4. Reinstall the plug into the exhaust port of each link. Before installing
the plug, apply Three Bond 1206C on the thread part of the plug. Then
tighten the plug with a tightening torque of 4.9 N•m (0.5 kgf•m).
5. Remove the grease zerk from the grease inlet, and reinstall the plug.
Before installing the plug, apply Three Bond 1206C on the thread part
of the plug. Then tighten the plug with a tightening torque of 4.9 N•m
(0.5 kgf•m).
NOTE
The exhaust port is used for air flow.
Do not inject excessive grease into the grease inlets.
Hexagon socket head plug PT1/8
Hexagon socket head
plug PT1/8
Hexagon socket head
plug PT1/8
Exhaust port
Hexagon socket head
plug PT1/8
Grease inlet
Tapered roller bearing (2 bearings)
Grease inlet
Tapered roller bearing
(2 bearings)
Exhaust port
Hexagon socket head
plug PT1/8
Exhaust port
Hexagon socket head plug PT1/8
Grease inlet
Tapered roller bearing
(2 bearings)
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