Rockwell Automation Allen-Bradley 1502 User Manual

Maintenance 4-17
1502-UM051E-EN-P – June 2013
 .BLFTVSFUIFDPOUBDUPSJTJOUIFPQFOPSUSJQQFETUBUF
  3FNPWFMBUDIQJWPUCPMUXJUIB"MMFOLFZBTTIPXOJO'JHVSFBOE
remove the lever assembly. e latch spring is no longer retained at this
QPJOUBOENBZGBMMPVUPGUIFDPSFmEPOPUNJTQMBDFUIJTTQSJOH
  3FNPWFUIFSPMMFSNPVOUJOHCPMUBTTIPXOJO'JHVSFBMMPXJOHUIFSPMMFS
to be removed.
  *OTFSUUIFOFXSPMMFSBOEJOTUBMMUIFSPMMFSNPVOUJOHCPMU
  .BLFTVSFUIBUUIFMBUDITQSJOHJTTFBUFEQSPQFSMZJOUIFDPSFQPTJUJPOUIF
lever assembly and install the latch pivot bolt. e spring must be seated
properly in the retaining holes in both the core and the lever.
Trip Coil Lever
Roller mounting bolt
Latch roller
Figure 4.23 – Mechanical Latch Assembly
 8JUIUIFFYDFQUJPOPGUIFSPMMFSUIFMBUDINFDIBOJTNXJMMMBTUUIFSBUFEMJGFPG
the contactor. If the contactor is used beyond the rated life, the latch mecha-
nism should be refurbished by replacing the lever assembly, latch spring and the
BSNBUVSFQMBUFăFTFQBSUTDBOCFPSEFSFEQSFBTTFNCMFEBT3FGVSCJTIJOH,JU

  3FNPWFMBUDIQJWPUCPMUXJUIB"MMFOLFZBTTIPXOJO'JHVSFBOE
remove the lever assembly. e latch spring is no longer retained at this
point and can be removed and discarded.
  .BLFTVSFUIBUUIFOFXMBUDITQSJOHJTTFBUFEQSPQFSMZJOUIFDPSFQPTJUJPO
the new lever assembly and install the latch pivot bolt. e spring must be
seated properly in the retaining holes in both the core and the lever.
  -PPTFOUIFMPDLJOHOVUPOUIFSFUVSOTQSJOHDPNQSFTTJPOCPMUBOEXJUIESBX
UIFDPNQSFTTJPOCPMUVOUJMUIFSFUVSOTQSJOHJTSFMBYFE3FNPWFUIFSFUVSO
TQSJOHBTTIPXOJO'JHVSF
  3FNPWFUIFBSNBUVSFQMBUFNPVOUJOHCPMUT%JTDBSEUIFBSNBUVSFQMBUFBOE
JOTUBMMUIFOFXBSNBUVSFQMBUF3FJOTUBMMUIFSFUVSOTQSJOHBOEBEWBODFUIF
DPNQSFTTJPOCPMUVOUJMUIFBSNBUVSFQMBUFNBLFTDPOUBDUXJUIUIFTUPQBT
TIPXOJO'JHVSF"EWBODFUIFCPMUPOFBEEJUJPOBMGVMMUVSOUPFOTVSF
UIBUUIFDPOUBDUPSPQFOTGVMMZ)PMEJOHUIFDPNQSFTTJPOCPMUJOQPTJUJPOXJUIB
XSFODIUJHIUFOUIFDPNQSFTTJPOCPMUMPDLJOHOVU
Mechanical Latch Roller
Replacement Procedure
Mechanical Latch Mechanism
Refurbishing Procedure

Rockwell Automation Allen-Bradley 1502 Specifications

General

Brand	Rockwell Automation
Model	Allen-Bradley 1502
Category	Controller
Language	English