MasterCraft 058-8179-2, Instruction Manual

TROUBLESHOO

TING

24

AIR

-

POWERED COIL ROOFING NAILER  058

-

8179

-2

Note: For further repair information, please call 1

-

800

-

689

-

9928.

The nails are being 
driven too deep.

1. The bumper is worn.

2. The air pressure is too high.

3. The depth adjustment dial is not 

properly adjusted.

1. Replace the bumper.

2. Adjust the air pressure.

3. Adjust the depth setting by turning the depth 

adjustment dial counterclockwise 

(see 

section “Nail depth adjustment” for more 
detailed instructions).

The tool does not 
operate properly 

-

 it 

does not drive the 
nail or operates 
sluggishly.

1. The air supply is inadequate.

2. Lubrication is inadequate.

3. The O

-

rings or seals are worn or 

damaged.

4. The air deflector in the cylinder 

head is blocked.

1. Verify that the air supply is adequate.

2. Pour up to 6 drops of oil into the air inlet. 

3. Inspect and replace O

-

rings or seals.

4. Replace the damaged internal parts.
Have the tool serviced by a qualified service 
technician.

The tool skips nail.

1. The bumper is worn or the spring 

is damaged.

2. There is dirt in the front plate.

3. Nails 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. Replace the bumper or pusher spring.

2. Open 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..

The tool jams.

1. Improper nails are used or 

nails are damaged.

2. The drive guide is damaged or 

worn.

3. The magazine screw is loose.

4. There is dirt in magazine.

see “Clearing a jammed nail.”

1. Use the proper nails.

2. Inspect and replace the drive guide.

3. Tighten the magazine.

4. Clean the magazine.

Air exhaust is being 
directed towards the 
operator.

The direction of the air deflector 
requires adjustment.

Direct the air deflector away from the operator.

PROBLEM

POSSIBLE CAUSES

SOLUTIONS