TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Service Tools
Section 12 - Compressed Air System - Group 12
Page 12-1
Service Tools
Compressed Air System
The following special tools are recommended to perform procedures in this section. 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
Dial Bore Gauge
Used to measure the cylinder bores.
3375072
Valve Spring Tester
Used to check spring tension.
3375182
O-ring Pick
Used to remove and install o-rings.
3376399
Coupling Puller
Used to remove the spline coupling hub.
3376663
Air Compressor Seat Installation Tool
Used to install the exhaust valve seats.
3377415
Air Compressor Seat Removal Tool
Used to remove the exhaust valve seats.
3377416
L-1205