Accutronix MX Maintenance & Spare Parts Manual 130-12000 Revision B • November 2002
6.2 Recommended Spare Parts for MX Actuators
6.2.1 Commissioning & Startup
No additional spare parts are required. All necessary spares are included in the end-user bag.
6.2.2 Short-Term Duty
This is defined as up to 3000 seats or up to 1 million drive sleeve turns, whichever occurs sooner. There
are no spare parts required for the actuator during short-term duty.
6.2.3 Long-Term Duty
This is defined as service beyond short-term duty but less than 6000 seats and less than 1.5 million
drive sleeve turns. The spares suggested for long-term duty are as follows:
• Quad rings at the top and bottom of the drive sleeve
• Drive sleeve assembly which includes the Worm Gear
• Wormshaft assembly
• Encoder Cartridge assembly
• Motor assembly
• Fuse (Controls, quantity 1)
• Fuses (Power, quantity 2)
• Encoder assembly
• Reversing Starter/Contactor with harness
• Control Module (includes PCB-power, main, ACP, and optional DDC and I/O boards)
• Bronze drive sleeve for thrust base
• Quad rings in thrust base (MX-10, 20, 40, 85 & 140)
• Quad rings in B1 base
NOTE: Oil should be changed every 6000 seats or sooner if the oil has been contaminated with water
or other foreign material.
6.2.4 Severe Duty
This is defined as open/close service when run loads exceed 30% of the unit rating. This also includes all
modulating applications.
NOTE: Oil should be changed every 3000 seats for open close service, or sooner if the oil has been
contaminated.
The spares suggested for severe duty are identical to the long-term duty spares.
6-2
Flow Control Division
Limitorque Actuation Systems
Spare & Replacement Parts
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