6
Inspection/maintenance
General information
Assembly and Operating Instructions – Gear unit series R..7, F..7, K..7, K..9, S..7, SPIROPLAN
®
W
88
6
Inspection/maintenance
6.1
General information
Observe the following notes regarding inspection/maintenance work at the gear unit:
WARNING
Risk of crushing if the drive starts up unintentionally.
Severe or fatal injuries.
• Disconnect the gearmotor from the power supply before you start working on the
unit.
• Prevent the gearmotor from starting up unintentionally (for example, by locking
the key switch or removing the fuses from the current supply).
WARNING
Risk of injury if preloaded shaft connections are loosened.
Severe or fatal injuries.
• Before releasing any shaft connections, make sure there is no active torsional
torque present that could lead to tension within the system.
WARNING
Risk of burns due to hot gear unit and hot gear unit oil.
Severe injuries
• Let the gear unit cool down before you start working on it.
• Carefully remove the oil level plug and the oil drain plug.
NOTICE
Loss of lubricant qualities due to filling of wrong gear unit oil.
Damage to the gear unit
• Do not mix different synthetic lubricants and do not mix synthetic and mineral lu-
bricants.
• As standard lubricant use mineral oil.
NOTICE
Ingression of water at the sealing lip of the oil seal due to cleaning the gear unit with
a high-pressure cleaning device.
Damage to oil seals
• Do not clean the variable-speed gear unit with a high-pressure cleaning device.
21932786/EN – 05/2015