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 N851 16 Gauge 7/16 in. Medium Crown Stapler ● Lightweight and well-balanced for comfort and maneuverability. ● Built-in air filter improves tool's speed and performance. ● Aluminum magazine and housing for long term durability. ● Clear jammed nails easily with cam-lock. ● Depth adjustment engineered for more precise flush and countersink finish. ● Rubberized handle for better fit and added comfort. |
| Model: | N851 16 Gauge 7/16 in. Medium Crown Stapler |
| Air Tool Type: | Air Stapler |
| Tool Diamensions: | 350mm x 100mm x 320mm (13-3/4"x3-15/16"x12-5/8") |
| Net Tool Weight: | 2.35kgs(5.17lbs) |
| Body Material: | Aliminum Body |
| Operate Pressure: | 70-120psi (5-8.3bar) |
| Load Capacity: | 160 staples |
| Staple Type: | 16 Gauge 7/16 in. Medium Crown Staple |
| Staples Shank Diameter: | 0.063" x 0.055" (1.6mm x 1.4mm) |
| Staple Crown: | 7/16"(10.8mm) |
| Staples Length: | 1"(25mm)-2"(50mm) |
 16 Gauge 7/16 in. Medium Crown Staple Staples Shank Diameter:0.063" x 0.055" (1.6mm x 1.4mm) Staple Crown:7/16"(10.8mm) Staples Length:1"(25mm)-2"(50mm) |
360° adjustable exhaust directs air away from face.
More powerful and light weight.
Quick release latch for easy jamming clearing.
Adjustable firing mode and depth.
Wall sheathing and sub flooring.
Roofing decking.
Furniture frames.
Plywood frame assembly.
Crate and box assembly and vinyl siding.
| 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. | |||
| 3 | Work weakly and sluggishly | 1. Worn or damaged piston o-ring | Check and replace piston o-ring | |
| 2.Inadequate lubrication for head valve piston o-rings or too tight head valve piston o-rings | Place 2 or 6 drops of oil on o-rings or replace head valve piston o-rings | |||
| 3.Dirt in the nozzle | Check and clean the nozzle | |||
| 4 | Tool jams frequently | 1.Damaged or Worn driver (piston unit) | Check and replace driver (piston unit) | |
| 2.Damaged or Worn driver guide (nose) | Check and replace driver guide (nose) | |||
| 3.Driver guide cover is bent,so the space between driver guide cover and driver guide is too big | Check and replace driver guide cover | |||
| 5 | Nail can not be shot | 1. Driver (piston unit) can't return to the correct position. | Refer to no. 1 Symptom | |
| 2.Driver guide(nose) can not match magazine well | Check and correct the position between driver guide(nose) and magazine | |||
| 3.Worn or damaged nail pusher compression spring | Check and replace nail pusher compression spring | |||
N851 16 Gauge 7/16 in. Medium Crown Stapler ● Lightweight and well-balanced for comfort and maneuverability. ● Built-in air filter improves tool's speed and performance. ● Aluminum magazine and housing for long term durability. ● Clear jammed nails easily with cam-lock. ● Depth adjustment engineered for more precise flush and countersink finish. ● Rubberized handle for better fit and added comfort. |
| Model: | N851 16 Gauge 7/16 in. Medium Crown Stapler |
| Air Tool Type: | Air Stapler |
| Tool Diamensions: | 350mm x 100mm x 320mm (13-3/4"x3-15/16"x12-5/8") |
| Net Tool Weight: | 2.35kgs(5.17lbs) |
| Body Material: | Aliminum Body |
| Operate Pressure: | 70-120psi (5-8.3bar) |
| Load Capacity: | 160 staples |
| Staple Type: | 16 Gauge 7/16 in. Medium Crown Staple |
| Staples Shank Diameter: | 0.063" x 0.055" (1.6mm x 1.4mm) |
| Staple Crown: | 7/16"(10.8mm) |
| Staples Length: | 1"(25mm)-2"(50mm) |
16 Gauge 7/16 in. Medium Crown Staple Staples Shank Diameter:0.063" x 0.055" (1.6mm x 1.4mm) Staple Crown:7/16"(10.8mm) Staples Length:1"(25mm)-2"(50mm) |
360° adjustable exhaust directs air away from face.
More powerful and light weight.
Quick release latch for easy jamming clearing.
Adjustable firing mode and depth.
Wall sheathing and sub flooring.
Roofing decking.
Furniture frames.
Plywood frame assembly.
Crate and box assembly and vinyl siding.
| 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. | |||
| 3 | Work weakly and sluggishly | 1. Worn or damaged piston o-ring | Check and replace piston o-ring | |
| 2.Inadequate lubrication for head valve piston o-rings or too tight head valve piston o-rings | Place 2 or 6 drops of oil on o-rings or replace head valve piston o-rings | |||
| 3.Dirt in the nozzle | Check and clean the nozzle | |||
| 4 | Tool jams frequently | 1.Damaged or Worn driver (piston unit) | Check and replace driver (piston unit) | |
| 2.Damaged or Worn driver guide (nose) | Check and replace driver guide (nose) | |||
| 3.Driver guide cover is bent,so the space between driver guide cover and driver guide is too big | Check and replace driver guide cover | |||
| 5 | Nail can not be shot | 1. Driver (piston unit) can't return to the correct position. | Refer to no. 1 Symptom | |
| 2.Driver guide(nose) can not match magazine well | Check and correct the position between driver guide(nose) and magazine | |||
| 3.Worn or damaged nail pusher compression spring | Check and replace nail pusher compression spring | |||
