TRAKFAST REPAIR MANUAL
60
Rev. 09/07
TROUBLESHOOTING GUIDE
PROBLEM SOLUTION
Fan motor does not run. • Check Battery
• Check for solid green light
• Red light — check Battery Contact (7505017)
• Check Fan Motor and Head Switch connectors
• Check Fan Motor (7405164)
• Check Head Switch (404601)
Fan runs, but will not fire. • Check Fuel Cell for expiration date on bottom
• Change Fuel Cell
• Check for oil fouled Spark Plug
• Check for spark
• Check MSU
• Change Trigger Switch
• Check position of Piston (should be up)
Fan runs all the time. • Head Switch sticking (404601) or Trigger Switch (404490)
• Pinched or shorted wire
Tool will not fire every time. • Trigger switch sticking (404490)
• Battery low
• Old Fuel Cell (check expiration date on bottom)
• Check for Piston Return
• Check for oil fouled Spark Plug
• Fuel Cell low
Tool fires, but pins do not shoot. • Make sure Carrier (7405168) is not riding on side of fasteners
• Constant Force Spring (7405169) is bent
• Burr on Work Contact Element (801129)
• Check for burr on Upper or Lower Rail
• Check for burr in Shear Block
Pins not driving in all the way. • Check application
• Battery not charged
• Fuel cell expired (check expiration date on bottom)
• O-Ring (403992) bad
• Seal and Wave Washer (7405056) compressed
• Grommet on Upper Probe (801116 or 801132) worn
• Piston Rings (7405055) not sealing or are opposite each other
• Weak fan motor (7405164)
Tool not sparking. • Oil fouled Spark Plug (clean plug)
• Spark Unit bad (7405163)
• Head Switch bad (404601)
• Trigger Switch bad (404490)
Piston not returning. • O-Ring torn (404482 - 403992)
• Seal and Wave Washers (7405056) compressed
• Work Contact Element (801129) burred
Won’t fire overhead. • Change Wave Washers (7405056)
• Piston rings (7405055) not opposite each other or compressed
• Air dam (401313) not in correct position
Misfiring. • Check for burrs on Upper and Lower Rails (801112 and 801110)
• Check bent Carrier/Follower Assembly (7405168)
• Fuel Cell empty
• Battery low
• Fastener jammed in Shear Block (7405145 or 7405176)
Note: Solutions are listed in no particular order
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