Flowserve Limitorque L120 Series - Page 3

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Limitorque Actuation Systems L120 Series FCD LMENIM1201-04-A4 – 03/18
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5.2 Manual Operation 20
5.3 Motor Operation 25
5.4 Torque and Travel Limiting 25
6 Maintenance 26
6.1 Lubrication 26
6.1.1 Lubrication Inspection 26
6.1.2 Factory Lubricant 27
6.2 Minimum Lubricant Qualities Required 27
6.3 Disassembly and Reassembly 28
6.4 Disassembly of the L120-10, 20, and 40 28
6.5 Drive Sleeve and Housing Cover Disassembly 29
6.6 Torque Nut Disassembly (Drive 1 Option) 29
6.7 Thrust Base Disassembly (Drive 2 Option) 30
6.8 Stem Nut Replacement – Thrust Base Applications 30
6.9 Reassembly 31
6.9.1 Declutch Assembly (L120-10) 32
6.9.2 Declutch Assembly (L120-20/40) (Refer to Figure 6.3) 32
6.9.3 Install the Motor (Refer to Figure 5.2) 33
6.9.4 Lubrication Procedure 33
6.9.5 Install Geared Limit Switch, Torque Switch and Finish Assembly 33
7 How to Order Parts 34
8 EC Declaration of Conformity 35