Browse the links below to view or download parts manuals for Challenge paper drill machines. We reference model numbers, manufacture dates, and serial numbers for you to find the manual that matches your Challenge drill machine.
EH-3
EH-3D Mfg. 2008 to Present SN 085279 to 159999 SN EH3-D-150000+
EH-3C Mfg. 1999 to 2008 SN 995774 to 999999 SN 000000 to 085278
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