Shimano NEXUS SG-C7002-5 Dealer's Manual page 42

Maintenance
Oil maintenance of the internal assembly
the oil for disposal.
Read this manual carefully, and keep it in a safe place for later reference.
For the latest product safety data sheets, check the website
When using a 1L can of oil, it may become impossible to suck out oil with a syringe when there is only a
little oil left. First, transfer all oil to a different container.
Before maintenance
Use a stand, etc., to enable the rear wheel to turn while performing work.
Removing the old oil
1. Rotate the wheel slowly until the oil port is facing up.
Oil port
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