Description
Chipping frozen exhaust bracket bolts, shearing light rivets, and splitting small ball joints stalls manual chisels. The Ingersoll Rand Super Duty Air hammer delivers 3000 blows per minute through a 2.28-inch stroke for fast automotive body panel cutting. Auto apprentices gain rapid metal cutting speed, yet the short-stroke piston lacks the mass needed for heavy structural frame rivets.
An alloy steel barrel pairs with an induction-hardened solid steel piston cycling through an induction-hardened bore. The ductile iron cylinder sleeve withstands continuous metal-to-metal piston slams without bore scuffing. High-pressure air cycles through a responsive spool valve to stroke the piston across the precision chamber. A heat-treated quick-change chisel retainer spring secures steel chisels against severe bounce-back, while an ergonomic aluminum pistol grip housing balances overall tool weight across extended cutting passes.
Field Hardware Performance Matrix
Automotive repair bays and sheet metal fabrication shops require dependable air hammers with compact strokes for rapid body panel work. The hardware metrics below define the mechanical architecture integrated into this super-duty pneumatic hammer.
- 3000 blows per minute frequency cuts through rusted exhaust tubing and sheet metal fast
- 2.28-inch stroke length balances single-blow cutting energy with controllable tool recoil
- 0.401-inch Parker taper shank receiver accepts all standard fleet automotive chisel bits
- Quick-change coil retainer spring holds chisels secure under violent bounce-back forces
- Ergonomic aluminum pistol grip housing balances tool weight to decrease mechanic wrist strain
- Feather-touch tease trigger provides smooth throttle control when starting delicate sheet cuts
- Screened 1/4-inch NPT air inlet stops scale and pipe rust particles from entering the valve bore
Dyno Bench Load Telemetry
Under continuous hammer operation at 90 PSI dynamic, the air wet-end draws 15 CFM at full trigger pull. Connecting through a standard 50-foot 3/8-inch air hose causes an 11 PSI dynamic pressure drop. Adiabatic expansion plunges the exhaust temperature to 25°F, causing ice crusting on the barrel exhaust ports. The percussive piston impact produces an acoustic sound pressure of 95 dBA at the technician ear.
Field Service Operational Directives
Running this percussive tool without a chisel pressed against a solid workpiece will launch the retainer spring and crack the piston nose. Do not hand this tool to tire shop bays lacking inline oilers or operating small tank compressors. Dry cycling destroys the spool valve within days of hard shop use. Follow these field steps to preserve percussive impact components.
- Apply five drops of ISO VG 32 pneumatic oil into the air inlet before tackling suspension jobs
- Never dry-fire the hammer without pressing the chisel bit firmly against a solid metal surface
- Inspect the coil retainer spring for hairline metal fatigue cracks before starting heavy cut cycles
Commercial Warranty Package Inventory
Ingersoll Rand covers this super duty air hammer with a 1-Year limited warranty against structural defects in materials and craftsmanship. The factory box holds the 2.28-inch stroke air hammer, a quick-change coil spring retainer, a 1/4-inch NPT air inlet bushing, and an instructional service manual.