MasterCraft 058-8198-6 Owner's Manual page 14

The tool skips fasteners.
The tool jams.
1. The bumper is worn or the spring is
damaged.
2. There is dirt in the front plate.
3. Fasteners cannot move freely in the
magazine because of dirt or
damage.
4. The O-ring on the piston is worn or
dry, or there is not enough
lubrication.
5. The cylinder cover seal is leaking.
1. Fasteners are incorrect or
damaged.
2. The driver guide is damaged or
worn.
3. The magazine or nose screw is
loose.
4. The magazine is dirty.
1. Replace the bumper or pusher
spring.
Have the tool serviced by a qualified
service technician.
2. Clean the drive channel on the front
plate.
3. Clean the magazine.
4. Replace the O-ring.
Have the tool serviced by a qualified
service technician.
5. Replace the sealing washer.
Have the tool serviced by a qualified
service technician.
See the section entitled "Clearing a
Jammed Fastener".
1. Use the proper fasteners.
2. Inspect and replace the driver.
3. Tighten the magazine.
4. Clean the magazine.