20 Gauge Pneumatic Narrow Crown Stapler 422
20 Gauge Pneumatic Narrow Crown Stapler 42220 Gauge Pneumatic Narrow Crown Stapler 422 is perfect for a wide variety of home & professional applications from securing roofing to fixing a gap in upholstery. It features an ergonomically engineered body and 360-degree adjustable exhaust allow for comfortable use. ● Comfort padded grip and lightweight ergonomic design allows extended daily use with less fatigue. ● Lengthened thin muzzle design, operation more flexible and convenient. ● Light weight ● Ergonomically engineered body. ● 360° adjustable exhaust. |
| Model: | 20 Gauge Pneumatic Narrow Crown Stapler 422 |
| Air Tool Type: | Air Stapler |
| Tool Diamensions: | 179mm x 59mm x 250mm |
| Net Tool Weight: | 1.20kgs (2.64 lbs) |
| Operate Pressure: | 60-100psi (4-7bar) |
| Load Capacity: | 100 staples |
| Staples Type: | 20 Guage 4J Series Fine Wire Staples |
| Staples Crown: | 1/5″(5.1mm) |
| Staples Shank Diameter: | 0.047″(1.20mm) x 0.024″(0.60mm) |
| Staples Length: | 1/4″(6mm)~7/8″(22mm) |
| 20 Guage 4J Series Fine Wire Staples |
| Staples Crown:1/5″(5.1mm) |
| Staples Shank Diameter:0.047″(1.20mm) x 0.024″(0.60mm) |
| Staples Length:1/4″(6mm)~7/8″(22mm) |
Lightweight and well balanced for easy operating.
Superior power with hardened one piece for professional application.
Open nose design for easy extraction of a jammed nail.
Tool free depth of drive adjustment for flush or countersunk drive into varying material.
Hardened claw tip, reduces wear and limits slippage when driving at a stand angle.
Cabinets.
Upholstery spring attachment.
Insulative sheathing.
| No. | Symptom | Problems | Solutions | |
| 1.1 | Air Leak | Air leak in the cylinder cap when tools don’t work | 1.Loose head valve piston seal or o-rings . | Check and replace the head valve piston set |
| 2.Worn or damaged o-ring or cylinder cap gasket under cylinder cap | Check and replace o-ring or cylinder cap gasket under the cylinder cap | |||
| 1.2 | Air leak in Trigger area when tools don’t work | 1.Damaged o-ring in trigger valve | Check and replace o-ring | |
| 2.Damaged o-ring in trigger valve stem | Check and replace o-ring | |||
| 3.Dirt in the trigger valve | Check and clean the trigger valve | |||
| 1.3 | Air leak in cylinder cap when tools are working | 1.Damaged head valve piston o-rings | Check and replace o-rings | |
| 2.Damaged seal under cylinder cap | Check and replace seal | |||
| 1.4 | Air leak in nose when tools are working | 1.Worn or damaged bumper | Check and replace bumper | |
| 2.Loose driver(piston unit) thread | Check and replace driver(piston unit) | |||
| 1.5 | Air leak in Trigger area when tools are working | 1.Worn or damaged trigger valve head | Check and replace trigger valve head | |
| 2.Damaged head valve piston o-rings | Check and replace head valve piston o-rings | |||
| 2 | Failed to get driver(piston unit) back to the correct position completely. | 1.The driver(piston unit) is not straight or the driver guide(nose) is wrong assembled. | Straighten the driver(piston unit) or verify driver guide(nose) and magazine | |
| 2.Worn or damaged nozzle | Check and replace nozzle | |||
| 3.The space between piston o-ring and cylinder is too tight. | Check if the cylinder is adequate lubrication or replace the o-ring on the piston. | |||
