Troubleshooting Guide - DeWalt D51276-XE Instruction Manual

MANY COMMON PROBLEMS CAN BE SOLVED EASILY BY UTILIZING THE CHART BELOW. FOR MORE SERIOUS OR PERSISTENT PROBLEMS,
CONTACT A D WALT SERVICE CENTER OR CALL
E
WARNING: To reduce the risk of serious personal injury, ALWAYS disconnect air from tool before all repairs.
Trigger valve housing leaks
Top cap leaks air
Exhaust leaks
Air leaks around nose when tool is at rest
(Driver blade in up position)
Air leaks around nose when tool is in actuated
position. (Driver blade in down position)
Tool does not cycle in cold weather
Lack of power; sluggish
Skipping fasteners; intermittent feed
Fasteners jam in tool

TROUBLESHOOTING GUIDE

1800 654 155 (Aust) or 0800 339258 (NZ)
O-ring or valve stem failure Replace valve using: Trigger Valve Kit: Cat.# D510008
Loose cap screws Tighten cap screws using appropriate hex wrench
Damaged or worn gasket or o-ring Replace gasket/o-rings using: O-ring Repair Kit:
Cat. # D512571 (16 GA.), D512761 (15 GA.)
Main seal or o-ring damaged, debris in tool Replace gasket/o-rings using: O-ring Repair Kit:
Cat. # D512571 (16 GA.), D512761 (15 GA.)
Damaged or worn o-rings Replace gasket/o-rings using: O-ring Repair Kit:
Cat. # D512571 (16 GA.), D512761 (15 GA.)
Damaged or worn bumper Replace bumper using: Bumper Kit: Cat. # D512576
(16 GA.), D512763 (15 GA.)
Tool not receiving air Check air supply
Valve may be frozen Warm up tool
Damaged or worn o-rings Replace gasket/o-rings using: O-ring Repair Kit: Cat. #
D512571 (16 GA.), D512761 (15 GA.)
Broken or damaged driver blade Replace Driver Blade Kit: Cat. # D512575 (16 GA.),
D512762 (15 GA.)
Low air pressure Check air supply
Damaged or worn o-rings Replace gasket/o-rings using: O-ring Repair Kit: Cat. #
D512571 (16 GA.), D512761 (15 GA.)
Exhaust port blocked or clogged Disconnect air, remove exhaust plate from top of tool, clean
port
Air restricted Check air supply and couplers
Nosepiece screws loose Tighten nosepiece screws using appropriate hex wrench
Wrong size/angle fasteners Use only recommended fasteners
Dirty magazine Clean magazine track and nosepiece
Worn magazine Replace magazine
Broken or damaged driver blade Replace Driver Blade Kit: Cat. # D512575 (16 GA.),
D512762 (15 GA.)
Trigger valve o-ring worn or damaged Replace valve using: Trigger Valve Kit; Cat. # D510008
Worn piston o-ring Replace piston o-ring using: O-Ring Repair Kit: Cat. #
D512571 (16 GA.), D512761 (15 GA.)
Worn or damaged pusher spring Replace spring
Magazine loose Check that magazine latch is holding firmly
Driver channel in nose piece worn Replace nosepiece
Wrong size/angle fasteners Use only recommended fasteners
Magazine loose Check that magazine screws are holding firmly
Worn driver blade Replace Driver Blade Kit: Cat. # D512575 (16 GA.),
D512762 (15 GA.)
Nosepiece screws loose Tighten nosepiece screws using appropriate hex wrench
Fasteners not feeding properly Ensure fasteners are feeding properly into nose
.
6
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
Portable 5.5 HP Gas 8 HP Gas
Handcarry 2 HP Elec. 14 - 16 CFM
3.2 - 4 CFM 8 - 9 CFM
1
2
3
4
5
6
7
8+
Industrial
23+ CFM