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Section 1 Maintenance
SCC1000C Crawler Crane — Maintenance Manual
8.5 Boom Lufng Winch - Checking the Connecting Bolt
-- As all the securing bolts are applied with bolt thread sealant, they normally will not loosen up and a visual
inspection would be sufcient.
-- Remove the bolts that are loose, broken, or defective and replace with new ones.
Structure and Mounting Position of Boom Lufng Winch
Hydraulic
motor securing bolt
Reducer
mounting bolt
Torque Value of Reducer Mounting Bolts and Bracket
Diameter(mm) Grade Pre-tightening Torque Screw sealant
M20(13/16") 10.9 650N•m(480ft•lb) ○
Torque Value of Hydraulic Motor Securing Bolts and Bracket
Diameter(mm) Grade Pre-tightening Torque Screw sealant
M16(5/8") 10.9 350N•m(258ft•lb) ○
T103 4005
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