NUMBER OF TOOLS CONNECTED TO COMPRESSOR
1
2
3
4
5
6
7
8+
Portable
Handcarry
3.2 - 4 CFM
5.5 HP Gas
2 HP Elec.
8 - 9 CFM
8 HP Gas
14 - 16
CFM
Industrial
23+ CFM
Compressor will be sufficient for tools at all production rates.
Compressor will be sufficient at slow or moderate production rates,
but may have difficulty at very rapid rates.
Compressor will be adequate only when tools are utilized at slow
production rates. (punch-out or occasional use)
Not Recommended
Troubleshooting Guide
MANY COMMON PROBLEMS CAN BE SOLVED EASILY BY UTILIZING THE CHART BELOW. FOR MORE SERIOUS OR PERSISTENT PROBLEMS,
CONTACT A D
EWALT SERVICE CENTER OR CALL 1-(800)-4-DEWALT.
DISCONNECT AIR FROM TOOL BEFORE ALL REPAIRS
Trigger valve housing leaks O-ring or valve stem failure Replace valve using Trigger Valve Kit: Cat.# D510005
Top cap leaks air Loose cap screws Tighten cap screws using appropriate allen wrench
Damaged or worn gasket or O-ring Replace gasket/O-rings using Nailer O-ring Repair Kit, Cat. # D518005
Exhaust leaks Main seal or O-ring damaged, debris in tool. Replace gasket/O-rings using Framing Nailer O-ring Repair Kit, Cat. # D518005
Air leaks around nose when tool is at rest. Damaged or worn O-rings Replace gasket/O-rings using Framing Nailer O-ring
(Driver blade in up position.) Repair Kit, Cat. # D518005
Air leaks around nose when tool is in actuated Damaged or worn bumper Replace bumper using: Frame Nailer Bumper Kit, Cat. # D518003
position. (Driver blade in down position.)
Tool does not cycle Tool not receiving air Check air supply
in cold weather Valve may be frozen Warm up tool. Lubricate with DEWALT Pneumatic Tool Oil or winter weight
pneumatic oil containing ethylene glycol
Damaged or worn O-rings Replace gasket/O-rings using Framing Nailer O-ring Repair Kit, Cat. # D518005
Broken or damaged driver blade Replace Driver Blade using either Kit:
Driver Blade Kit for D51844 Full Round Head Nailer; Cat. # D518452
or Driver Blade Kit for D51822 Clipped Head Nailer; Cat. # D518232
Lack of power; sluggish Low air pressure Check air supply
Lack of lubrication Lubricate tool using DEWALT pneumatic tool oil.
Damaged or worn O-rings Replace gasket/O-rings using Framing Nailer O-ring Repair Kit, Cat # D518005
Exhaust port blocked or clogged Disconnect air, remove exhaust plate from top of tool, clean port
Depth adjustment set too shallowly Reset depth adjustment
Driver damaged or worn Replace driver blade
Skipping nails; intermittent feed Air restricted Check air supply and couplers
Lack of lubrication Lubricate tool using DEWALT pneumatic tool oil
Nosepiece screws loose Tighten nosepiece screws using appropriate allen wrench
Wrong size/angle fasteners Use only recommended fasteners
Dirty magazine Clean magazine track and nosepiece
Damaged/Worn magazine Replace magazine
Broken or damaged driver blade Replace driver blade using either Kit:
Driver Blade Kit for D51844 Full Round Head Nailer; Cat. # D518452
or Driver Blade Kit for D51822 Clipped Head Nailer; Cat. # D518232
Skipping nails; intermittent feed (cont.) Trigger valve O-ring worn or damaged Replace valve using Trigger Valve Kit; Cat. # D510005
Worn piston O-ring Replace O-ring using Framing Nailer O-ring Repair Kit, Cat # D518005
Worn or damaged pusher spring Replace spring using Magazine Pusher Spring Kit; Cat. # D518004
Fasteners jam in tool Driver channel in nose piece worn Replace nosepiece
Wrong size/ angle fasteners Use only recommended fasteners
Worn driver blade Replace driver blade using either Kit:
Driver Blade Kit for D51844 Full Round Head Nailer; Cat # D518452
or
Driver Blade Kit for D51822 Clipped Head Nailer; Cat. # D518232
Nosepiece screws loose Tighten nosepiece screws using appropriate allen wrench
Nails not feeding properly Ensure nails are feeding properly through the magazine and into the nose.
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