Section 1 - Cylinder Block - Group 01 Service Tools - Cylinder Block M11 Page 1-3 Service Tools - Cylinder Block The following special tools are recommended to perform procedures in Group 01. The use of these tools is shown in the appropriate procedure. These tools can be purchased from your local Cummins Authorized Repair Location. Tool No. Tool Description Tool Illustration Connecting Rod Checking Fixture ST-561 Measure connecting rod bend and twist. Piston Ring Expander Replace piston rings on pistons. ST-821 Dowel Pin Extractor Remove dowel pins. ST-1134 Threaded Insert Kit Repair damaged threads. 3375021 Crack Detection Kit Inspect components for cracks.
3375432 Puller Kit 3375784 Remove the idler gear ring dowels.