13
f. Disassembly of pattern adjustment set (5) and/or air adjustment set (15).
Inorderto disassemblepatternadj. set(5) and/orair adj.set(15),firstof allremove,
adjustmentknob(6) carefullyas illustratedinFig.1.
Thenmanuallyturnthehexagonknob(A) ofthe adjustmentcounterclockwisetoopenit
completelyandunscrewthe hexagonface(B)with aspannerturning itcounterclockwise.
-Toreassemble patternadjustmentset (5) and/orairadjustment set(15), reversethe
procedure.
Important
Before reassembling pattern adjustment set and/or air adjustment set, make sure that
these operations are carried out with the adjustment fully open.(Fig1)
Warning
When you reinsert the knob (6) on the adjustment (B), make sure that it is pushed in
until it completely covers the face of the hexagon knob of the adjustment.(Fig2)
■
Troubleshooting
SprayPattern Problems Remedies
Fluttering
1.Air entersbetweenfluidnozzleand tapered seatofgunbody.
2.Air isdrawnfrom fluidneedlepackingset..
3.Air entersatfluid containerfittingnutor fluidhosejoint.
1.Removefluid nozzletocleanseat. Ifit isdamaged,replacenozzle.
2.Tightenfluidneedle packing.
3.Fully tightenjoint section.
Crescent 1.Paintbuildup onair cap partiallyclogshorn holes.
Airpressurefrom bothhornsdiffers. 1.Removeobstructionsfromhorn holeswithattachedbrush.
But donot usemetalobjects toclean horn holes.
Inclined 1. Paint buildup or damage on fluid nozzle circumference and air cap
center.
2.Fluidnozzle isnotproperlyfitted.
1. Removeobstructions.
Replaceifdamaged.
2.Removefluid nozzleandcleanseatsection.
Split 1.Paintviscositytoo low.
2.Fluidoutput toohigh.
1.Add paintto increaseviscosity.
2.Tightenfluidadj. knobtoreduce fluid output.
Orturn patternadj.valvesetclockwise.
HeavyCenter 1.Paint viscosityistoo high.
2.Fluidoutput istoolow. 1. Addthinnerto reduceviscosity.
2.Turn fluidadj.valveknobcounter-clockwisetoincreasefluid output.
Spit
1.Fluidnozzle and fluidneedlesetare notseatedproperly.
2.The first-stagetraveloftrigger (whenonlyair discharges)decreases.
3.Paintbuildup insideaircapset.
1.Cleanor replacefluidnozzleandfluidneedle set.
2. Replacefluidnozzleand fluidneedleset.
3.Cleanair capset.
R1:retighten R2:adjust R3:clean R4:replaceparts
Remedy
Problem Whereit
occurred Partstobechecked Cause R1 R2 R3 R4
Airvalve *Dirt ordamage on seat ○○
*Dirt or damageon seat ○○
Airvalveseat set *Wear onairvalvespring ○
Airleaks
(fromtip ofaircup) Air valve set
Oring * Damageordeteriorated ○
*Dirt, damage,wearon seat ○○
*Loosefluid needle adj.knob ○
Fluidnozzle~fluidneedleset *Wear onneedlespring ○
*Insufficient tightening ○
Fluidnozzle~gunbody * Dirt ordamageon seat ○○
*Needledoes notreturndue topackingsettoo tight ○○
Fluidnozzle
Fluidneedle~packing set *Needledoes notreturndueto paintbuilduponfluid needle ○○
Needlepackingset~needleset