Stanley ProSert XTN20 - 8 Troubleshooting Guide

8. Troubleshooting guide
Symptom Possible Cause Remedy Page Ref.
Pneumatic motor runs
slowly.
Air leak from motor. Check for worn seals. Replace. 18
Low air pressure. Increase air pressure. 14
Air way blockage. Clear restriction. 18
Motor Vanes 6M jamming Clean and lubricate. 18
Mandrel turns
independent of motor.
Worn or damaged Drive Shaft E. Replace. 13
Worn or damaged Mandrel A. Replace. 13
Chuck Nut 14 is loose. Tighten Chuck Nut 14. 13
Insert will not place
onto Mandrel.
Incorrect Blind Rivet Nut thread
size.
Change to correct size Blind Rivet Nut. 13
Incorrect Mandrel A tted. Change to correct size Mandrel. 13
Worn or damaged Mandrel A. Replace. 13
Nose equipment incorrectly
assembled.
Re-t nose equipment. 13
Tool/Blind Rivet Nut is
jammed.
Excessive stroke. Reduce stroke. 3
Excessive pressure. Reduce pressure. 3
Defective Blind Rivet Nut or
Mandrel A.
Press Manual Reverse 22.
Alternately use Pin Punch K to manually
remove the Blind Rivet Nut.
15
Mandrel Breakage.
Excessive stroke. Reduce stroke. 14
Excessive pressure. Reduce Pressure. 14
Side load on Mandrel . Hold tool square to application. 3
Drive screw returns
very slow to forward
position
Trigger is released early.
Ensure trigger is held throughout full
cycle to speed operation up.
Stroke adjustment very
hard by hand.
Excessive pressure.
Use pin punch (07900-00624) to aid
stroke adjustment.
Tools does not spin On.
Chuck Nut 14 is loose. Tighten Chuck Nut 14. 13
No air supply. Connect air supply. 14
Insucient gap between
Locking Nut 17 and Piston 18A.
Adjust gap to 1.5mm/2mm. 4
Motor Rod 17M too short. Replace Motor Rod. 5
Air Motor jammed.
Lubricate tool at air inlet. If insucient,
dismantle and clean thoroughly.
18
Trigger 12 inoperative.
Static friction. Depress and hold Trigger 12 a few times.
Low air pressure. Increase air pressure. 14
Valve Slider 9 remains stuck.
Depress Trigger 12 several times.
Lubricate tool through air inlet.
If unsuccessful, dismantle, clean and
lubricate trigger components.
4 & 18
Tool does not spin o.
Chuck Nut 14 is loose. Tighten Chuck Nut 14. 13
Trigger 12 released prematurely. Press and hold for entire cycle of tool.
Tool not reaching pressure or
stroke.
Reduce pressure or stroke setting. 14
Distributor 21A is stuck. Lubricate. 4
Air Motor jammed.
Lubricate tool at air inlet. If insucient,
dismantle and clean thoroughly.
18
Item numbers in bold refer to assembly drawings and parts list Pages 2,4,5, and 6.
Other symptoms or failures should be reported to your local, authorised distributor or repair centre.
22
ENGLISH