Description
Fleet tire maintenance bays bottleneck when moisture in shop air lines fogs mechanical dial gauges. The DEWALT Sight Glass Inflator with Ball Foot Chuck delivers 10 to 160 PSI pressure monitoring with clear optical verification. Slamming shop air line pressure spikes over 200 PSI against the internal spring bar distorts the calibration spring, locking the sight indicator off-scale permanently.
A rugged die-cast aluminum body encloses a solid brass valve spool that resists corrosion from shop air line condensation. The sight glass window utilizes impact-resistant mineral crystal glass, protecting the calibrated indicator scale from airborne brake cleaner droplets. Solid brass ball-foot chuck components crimp onto a 300 PSI rated hybrid rubber air hose, while an internal steel bleeder valve permits fine pressure adjustments without disconnecting the chuck.
Sight Glass Pneumatic Inflator Matrix
Pneumatic line pressure routes through balanced brass valving to measure tire pressure without separate hand gauges. The ball-foot chuck engages passenger car and light trailer valve stems at straight approach angles.
- 10 to 160 PSI calibrated scale measures commercial fleet tire pressures with 2 PSI increment resolution.
- Clear mineral crystal sight glass window protects internal indicator scale from yellowing under UV shop light exposure.
- 1/4-inch NPT female air inlet threads direct to high-flow shop whip lines to prevent fitting air restriction.
- Solid brass ball-foot air chuck seals tight against Schrader valve stems to stop high-pressure line leakage.
- 15-inch flexible hybrid rubber hose isolates dynamic hand movement to prevent valve stem core damage.
- Integrated brass pressure release valve bleeds excess air down to exact target specifications without chuck removal.
- Die-cast aluminum handle housing resists structural cracking from continuous drops onto concrete shop floors.
Pneumatic Bench Calibration Telemetry Audit
Air bench testing confirms calibration accuracy within 1.5 PSI from 20 to 120 PSI line pressure. Dynamic airflow measures 14 CFM at 90 PSI line feed through the open brass valve spool. Bleeder valve actuation exhausts 3 PSI in 0.8 second for rapid pressure trimming. Sight glass internal seals hold airtight under 180 PSI static backpressure with zero measurable bubble leak. Operating noise registers 74 dBA during active tire inflation.
Shop Tire Bay Limits Maintenance Rules
Using dirty shop air without coalescing filters deposits rust scale inside the brass spool, causing sticky valve movement. Do not connect this inflator to un-regulated shop lines exceeding 160 PSI, which blows out the sight glass seals. Avoid dragging the ball-foot chuck across abrasive concrete.
- Blow water condensation from shop air supply drops before connecting the inflator every shift.
- Coat the brass ball-foot chuck locking teeth with light machine oil every work week.
- Calibrate sight glass scale accuracy against a master digital test gauge once per year.
DEWALT Manufacturer Warranty Package Manifest
DEWALT backs this pneumatic tire inflator with a 3-Year limited warranty against defects in materials and manufacturing craftsmanship. The retail packaging contains the DXCM024-0439 sight glass inflator, 15-inch rubber hose with ball-foot chuck, 1/4-inch NPT industrial plug, and user instruction manual.
