Minnich A-1C, Operators & Service Manual

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40# Rock Drill (A-1C-48 & 36)
A12230-00000
When ordering replacement parts you need to furnish the model and serial number of the drill tool.
WARNING: Always disconnect the air supply before changing
steel or dismantling the tool for service or repair.
For maximum safety we advise the installation of a
shut-off valve at the end of the air line.
The wear chart is a guide to expectant life of drill parts. The replacement levels are based on average tool use in one year
period.
Wear Key: x=subject to external damage 1=non wear 3=low wear 5=medium wear 7=high wear 10=must replace
Example: (Must Replace) For every 10 tools used, 10 must be replaced.
(High Wear) For every 10 tools used, 7 must be replaced.
(Medium Wear) For every 10 tools used, 5 must be replaced.
Specifications
Net Weight
38lbs. (17.2kg)
Blows Per Minute
2400
Chuck Size
7/8” x 4 1/4” (22.2mm x 107.9mm)
Air Inlet (NPT) 3/4” (19.1mm)
Air Consumption 87.5cfm (2.5m3/min)