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Section 1 Maintenance
SCC1000C Crawler Crane — Maintenance Manual
9�6 Checking and Tightening Connecting Bolt
As all the securing bolts are applied with bolt thread sealant, they normally require no
tightening and a visual inspection is sufficient� Remove bolts that are loose, broken or
defective, and replace with new ones�
Shematic Diagram of Travel Reducer
Hydraulic motor
securing bolt
Reducer mounting
bolt
Torque Value of Hydraulic Motor Securing Bolts and Bracket
Diameter(mm) Grade Pre-tightening Torque Screw sealant
M20(13/16") 10.9 650N•m(480ft•lb) ○
Torque Value of Reducer Mounting Bolts and Bracket
Diameter(mm) Grade Pre-tightening Torque Screw sealant
M30(1-3/16") 10.9 1850N•m(1364ft•lb) ○
M24(15/16") 10.9 1030N•m(759ft•lb) ○
T103 6011
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