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TROUBLESHOOTING
PROBLEM CAUSE CORRECTION
T
rigger valvehousing leaksair O-ring cutor cracked . .. ... .. ... ... ... .. .ReplaceO-ring
T
rigger valvestem leaksair O-ring/seals cutor cracked .. ... ... ... .. .Replacetrigger valve assembly
F
rame/nose leaksair O-ring orgasket iscut or cracked ... ... .. .ReplaceO-ring or gasket
B
umper cracked/worn . ... ... .. ... ... ... .Replacebumper
Frame/cap leaksair Damaged gasketor seal .. ... ... .. ... ... .Replacegasket orseal
C
racked/worn headvalve . ... ... .. ... ...Replace head valve
Loose capscrews . .. ... .. ... ... ... .. ... .Tighten andrecheck
F
ailure tocycle Air supplyrestriction .. ... ... ... .. ... ... .Checkair supplyequipment
Wornhead valve ... .. ... ... ... .. ... ... .Replacehead valve
Broken cylindercap spring .. ... ... .. ... ..Replace cylindercap spring
Head valvestuck incap ... ... ... .. ... ... .Disassemble/ Check/ Lubricate
L
ack ofpower; slowto cycle Broken cylindercap spring .. ... ... .. ... ..Replace capspring
Rings/seals cutor cracked . .. ... ... ... .. .Replacerings/seals
Exhaust blocked .. .. ... ... .. ... ... .. ... .Checkbumper,head valvespring
Trigger assemblyworn/leaks .. ... .. ... ...Replace trigger assembly
Dirt/tar buildup ondriver .. ... ... .. ... ...Disassemble nose/driver toclean
Cylinder sleevenot seatedcorrectly
on bottombumper . .. ... .. ... ... ... .. ... .Disassembleto correct
Air pressuretoo low . .. ... .. ... ... ... .. ..Check airsupply equipment
Clogged airfilter .. ... ... .. ... ... ... .. ...Clean or replaceair filter
Skipping fasteners;
intermittent feed Wornbumper ... ... .. ... ... .. ... ... ... ..Replace bumper
Tar/dirt indriver channel . .. ... ... .. ... ...Disassemble and cleannose anddriver
Air restriction/inadequateair flowthrough
quick disconnectsocket andplug .. .. ... ..Replace quickdisconnect fittings
Wornpiston ring .. ... .. ... ... ... .. ... ...Replace ring, checkdriver
Damaged pusherspring .. ... .. ... ... ... ..Replace spring
Low airpressure . ... .. ... ... ... .. ... ... .Checkair supplysystem to tool
Loose magazinenose screws . .. ... ... .. .Tighten all screws
Fasteners tooshort fortool . ... ... .. ... ...Use only recommendedfasteners
Bent fasteners . ... ... ... .. ... ... ... .. ...Discontinue using thesefasteners
Wrongsize fasteners . ... .. ... ... ... .. ...Use only recommendedfasteners
Leaking headcap gasket. ... ... .. ... ... ..Tighten screws/replace gasket
Trigger valveO-ring cut/worn .. .. ... ... ...Replace O-ring
Broken/chipped driver .. ... .. ... ... ... .. .Replacedriver (check pistonring)
Dry/dirty magazine ... ... ... .. ... ... ... ..Clean/lubricate use BOSTITCHAir Tool Lubricant
Wornmagazine .. ... .. ... ... ... .. ... ... .Replacemagazine
Clogged airfilter .. ... ... .. ... ... ... .. ...Clean or replaceair filter
Fasteners jamin tool Driver channelworn .. ... .. ... ... ... .. ...Replace nose/check door
Wrongsize fasteners . ... .. ... ... ... .. ...Use only recommendedfasteners
Bent fasteners . ... ... ... .. ... ... ... .. ...Discontinue using thesefasteners
Loose magazine/nosescrews . .. ... ... .. .Tighten all screws
Broken/chipped driver .. ... .. ... ... ... .. .Replacedriver