
MAINTENANCE & TROUBLESHOOTING
CLEANING YOUR STAPLER
•Never use gasoline or other flammable liquids to clean the stapler. Vapors in the stapler will
ignite by a spark and cause the tool to explode and result in death or serious personal injury.
•Disconnect the air supply from the stapler.
•Remove tar buildup with #2 kerosene fuel oil or diesel fuel. Do not allow solvent to get into the
cylinder or dammage may occur. Dry off the tool completely before use.
•Air leaking at trigger valve
area.
•Air leaking between
housing and nose.
•Air leaking bewteen
housing and cap assembly.
•Stapler skips a
staple
.
•Stapler runs too slowly
or has loos of power.
•Jammed
staples
.
•O-rings in trigger valve are damaged.
•Loose screws in housing.
•Damaged O-rings.
•Bumper damage.
•Loose screws.
•Damaged seal.
• Worn bumper.
•Dirt in stapler nose.
•Dirt or damage prevents staples from
moving freely in the magazine.
•Inadequate air flow to stapler.
•Worn O-ring on piston or lack of lubrica-
tion.
•Damaged O-rings on trigger valve.
•Air leaks.
•Cap seal is leaking.
•Stapler is not sufficiently lubricated.
•Broken spring in cap assembly.
•Exhaust port in cap is blocked.
•Driver guide worn or damaged.
•Staples are bent.
•Magazine or nose screws are loose.
•Damaged driver.
•O-rings must be replaced and safety trip
mechanism must be verified.
•Screws need to be tightened.
•O-rings must be replaced.
•Bumper needs to be replaced.
•Screws need to be tightened.
•Seal must be replaced.
•Bumper needs to be replaced.
•Clean.
•Magazine must be cleaned.
•Fitting hose and air compressor need to
be checked.
•O-rings must be replaced, lubricate.
•O-rings must be replaced.
•Screws and fittings need to be tightened.
•Seal needs to be replaced.
•Lubricate.
•Spring needs to be replaced.
•Damaged internal parts must be replaced.
•Replace driver guide.
•Replace with undamaged staples.
•Screws need to be tightened.
•Replace driver.
Problem Cause Solution
TROUBLESHOOTING CHART
WARNING: Stop using this tool immediately if any of the following problems occur. Serious personal injury could occur. Any
repairs or replacements must be done by a qualified person or an authorized service centre only.
REPLACEMENT DRIVER, BUMPER & O-RING REPAIR KITS
After prolonged use of your Stapler,the internal O-rings, Bumper & Driver may have to be
replaced caused by wear & tear.To repair, a complete Driver, Bumper & O-ring Replacement
Accessory Kit is available for your Stapler (model: KW-078). Contact your local King Canada
distributor for more information.
KW-078
PARTS DIAGRAM & PARTS LISTS
Refer to the Parts section of the King Canada web site for the most updated parts diagram and
parts list.