Troubleshooting, Please read the following carefully – Harbor Freight Tools 3-IN-1 Air Framing Nailer 98751 User Manual
Page 15
SKU 98751
For technical questions, please call 1-800-444-3353.
Page 15
Troubleshooting
Problem
Possible Causes
Likely Solutions
Air leaking in Cylinder Cap (8).
1. Loose Screw (6).
2. Gasket (9) is cracked or worn.
1. Tighten and recheck.
2. Replace Gasket.
Lack of power. Slow to cycle.
Low power when shooting and
returning.
1. Tool is too dry.
2. Air pressure too low.
3. Exhaust blocked.
1. Add about 3 drops of pneumatic
tool oil into the Air Coupler (95).
2. Check to make sure regulator on
air compressor is set between
70 PSI and 120 PSI.
3. Clean exhaust channel.
Not shooting fasteners or only
intermittent feeding.
1. Damaged Torsion Spring (89).
2. Wrong size of fasteners.
3. Magazine (79) or Joint Plate
(86) is dirty.
1. Replace Spring.
2. Use 2” to 3-1/2” Nails.
3. Clean Magazine and Plate.
Fastener is jammed in tool.
1. Driver channel is worn.
2. Feeder Shoe (73) is broken or
worn.
3. Bent fasteners.
4. Nailer angle is not properly
adjusted for the correct angle
nail clip.
1. Replace Driver Channel (30)
and/or Driver (20).
2. Replace Feeder Shoe.
3. Remove bent fasteners.
Replace with new fasteners.
4. Check all 3 angle adjustments
as outlined on page 10.
Follow all safety precautions whenever diagnosing or servicing the
tool. Disconnect air supply before service.
REV 08j
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND
ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE
MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF
ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO
THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE
PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES
THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED
AND LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK
AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR
REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF
REPLACEMENT PARTS THERETO.