S365C and S385C Demolition and Scrap Shears Cutting Edge Bolts - Tighten Caterpillar


Cutting Edge Bolts - Tighten
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  1. On a machine, position the shear vertically with the fixed jaw on a flat and a level surface.

  1. Lock the jaws in an open position. Refer to Operation and Maintenance Manual, "Cutters - Inspect/Replace" for the proper procedure.



    Illustration 1g02181274

  1. Check all of the bolts for the cutting edge group for the correct tightness. Refer to illustration 1.

  1. If necessary, tighten the bolts to the proper torque value. Refer to table 1 for the correct torque values.

Table 1
Static inspection torque for the cutting edge gp bolts    
Blades     Sales Model     Bolt Size     Torque Value    
Cross Blade     S365C, S385C     M20 x 2.5    
450 N·m (330 lb ft)    
Cutting Blades     S365C, S385C     M20 x 2.5    
450 N·m (330 lb ft)    
Guide Blades     S365C, S385C     M20 x 2.5    
450 N·m (330 lb ft)    
Piercing Blades     S365C     M20 x 2.5    
450 N·m (330 lb ft)    
S385C M24 x 2.5    
800 N·m (590 lb ft)    

The bolts should not move before a torque that is specified in table 1 is reached. If the bolt moves, then the bolt has been overstressed. The bolt must then be replaced.

ReferenceRefer to Operation and Maintenance Manual, "Cutters - Inspect/Replace" for information on replacing the bolts for the cutting edge group.

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