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Operating Instructions and Parts Manual
FASTENER INTERCHANGE INFORMATION
Can use 3/8 inch to 7/8 inch pins from the following branded 23 g micropinners:
• Senco FP10
• Air Locker P630
• Porter Cable PIN100
• Grex P635
• Max NF235A
Maintenance (Continued)
www.chpower.com
CHN71500
Troubleshooting Guide
Stop using nailer immediately if any of the following problems occur. Serious personal injury could result.
Any repairs or replacements must be done by a Qualified Service Person or Authorized Service Center.
SYMPTOM CAUSE SOLUTION
Air leaking at trigger valve
area.
O-Rings in trigger valve housing are
damaged
Replace o-rings
Air leaking between housing
and nose.
1. Damaged o-rings 1. Replace o-rings
2. Damage to bumper 2. Replace bumper
Air leaking between housing
and cap.
1. Loose screws 1. Tighten screws
2. Damaged seal 2. Replace seal
Tool skips driving fastener 1. Worn bumper 1. Replace bumper
2. Dirt in nose piece 2. Clean drive channel
3. Dirt or damage prevent fasteners
or pusher from moving freely in
magazine
3. Clean magazine
4. Damaged pusher spring 4. Replace spring
5. Inadequate air flow to tool 5. Check fitting, hose, or compressor
6. Worn o-rings on piston or lack of
lubrication
6. Replace and lubricate o-rings
7. Damaged o-rings on trigger valve 7. Replace o-rings
8. Air leaks 8. Tighten screws and fittings
9. Cap seal leaking 9. Replace seal
10. Defect in automatic nail length plate 10. Clear problem with plate
Tool runs slow or has loss of
power
1. Tool not lubricated sufficiently 1. Lubricate nailer
2. Broken spring in cylinder cap 2. Replace spring
3. Exhaust port in cap is blocked 3. Replace damaged internal parts
Fasteners are jammed in tool 1. Guide on driver is worn 1. Replace guide
2. Fasteners are not correct size 2. Use only recommended fasteners
3. Fasteners are bent 3. Replace with undamaged fasteners
4. Magazine or nose screws are loose 4. Tighten screws
5. Driver is damaged 5. Replace driver
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