Description
Short-stroke air hammers lack the kinetic energy needed to shear rusted structural rivets. The Sunex Heavy-Duty Long Barrel Air Hammer Set delivers brutal impact blows to separate frozen vehicle chassis components. Operating at 90 PSI with a long-stroke power piston, this hammer cycles at 2,200 blows per minute. Squeezing the trigger without pressing a chisel against a solid workpiece destroys the internal retainer springs.
A precision-machined alloy steel barrel houses an extra-long reciprocating steel piston engineered for maximum kinetic energy transfer. The quick-change retainer mechanism uses case-hardened alloy steel to prevent shank pull-out under heavy reverse hammering cycles. Sintered bronze exhaust baffling diffuses return air pressure without blowing grease or debris into the operator face. High-grade nitrile O-rings seal the power chamber against line pressure drop. Acidic moisture wash-out corrodes the micro-diameter valve channel, causing sticky piston action and incomplete stroke cycles.
Demolition Air Hammer Hardware Array
Heavy mechanical repair requires rapid kinetic impact to break frozen taper joints and sheared pins. The long-barrel mechanical design delivers maximum kinetic energy transfer on stubborn structural fasteners.
- 1/4-inch NPT air inlet draws steady supply air through high-flow industrial fittings without starvation
- Standard 0.401-inch Parker taper shank opening accepts common vehicle service chisels and punches
- Long-stroke power piston design maximizes kinetic strike energy for heavy rivet shearing tasks
- Hardened steel power cylinder withstands continuous high-frequency metal-to-metal shock waves
- Quick-change chisel retainer collar allows instant accessory swaps without hand tools
- Ergonomic pistol grip handle balances tool weight to reduce operator wrist strain under heavy vibration
- Sensitive tease throttle trigger regulates impact frequency from delicate taps up to full strike velocity
Impact Bench Telemetry Under Heavy Stall
Air consumption registers 4.0 CFM at 90 PSI dynamic under hard mechanical stalling against seized suspension pins. Cycling speeds hit 2,200 blows per minute on open steel plate. Air line pressure drop reaches 12 PSI across a standard 50-foot 3/8-inch hose during full throttle runs. Adiabatic expansion drops exhaust exit temperature to 28°F, creating frost buildup across unheated maintenance bays. Piston impact outputs 22 ft-lbs of linear kinetic energy per blow. Acoustic noise levels peak at 96 dBA at the operator ear.
Field Service Directives Application Limits
Suspension pin extraction demands extreme kinetic shock that destroys lightweight air systems. Hobby shops running small 3-gallon pancake compressors must not purchase this tool because severe CFM starvation halts piston cycling. Pulling the trigger without a chisel pressed firmly against a solid workpiece will launch the internal piston into the retainer, cracking the barrel threads.
- Inject six drops of ISO VG 32 air tool oil directly into the inlet fitting before each work shift
- Disassemble the quick-change collar to clean abrasive road grime and rust scale from the retainer springs
- Check chisel shanks for mushrooming before inserting tools into the 0.401-inch barrel bore
Factory Warranty Roster Package Components
Sunex backs this long-barrel air hammer with a 1-Year limited warranty covering defective parts and manufacturing errors. The unboxing package contains the long-barrel air hammer, a quick-change retainer, five specialized chisels, a molded storage case, and the official user instruction manual.