Bostitch BTMT72393 Manuel D'instructions Et D'entretien page 10

TROUBLESHOOTING GUIDE:
This section provides a list of the more frequently encountered malfunctions, their cause and corrective
actions.The operator or maintenance personnel can perform some corrective actions, and others may
require the assistance of a qualified Bostitch technician or your dealer.
DEFECTIVE PATTERN
UNATOMIZED
OR SPATTERED
SPRAY
INADEQUATE
AIR DELIVERY
EXCESSIVE FOG
MATERIAL LEAKING
FROM FLUID INLET
OF CUP
MATERIAL LEAKING
FROM NOZZLE WHEN
TRIGGER IS RELEASED
A.
B.
LIKELY CAUSE
1. Material too heavy
2. Insufficient air
pressure
3. Fluid pressure
too high
4. Dried material on tip
of fluid nozzle or
air jets of air cap
1. Air needle partially
closed
2. Dried material in air
jets or air cap
3. Obstruction in air line.
1. Air pressure too high
for viscosity of fluid
1. Loose cup or foreign
substances on/between cup
thread and fluid inlet
1. Worn fluid neddle
2. Dried material in tip of nozzle
3. Loose packing nut
Dried material is
clogging side-port "A"
and causing
side-port "B" to blow
spray towards the
clogged side
1. Dried material at
fluid nozzle "C"
restricts air flow
2. Loose air nozzle
3. Air pressure
set too high
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SUGGESTED REMEDY
1. Thin material or use larger
orifice fluid nozzle set
2. Increase pressure to within
limit
3. Reduce pressure
4. Clean
1. Open control knob
2. Clean
3. Remove obstruction
1. Reduce air pressure and/or
open fluid control knob
1.Tighten and clean or replace it
1. Replace
2. Clean
3.Tighten needle packing nut by
turning counterclockwise
Soak side-ports in
A
thinner to clean clog.
DO NOT poke any
opening with hard objects.
B
1. Remove air nozzle.
C
Wipe off fluid tip using a
cloth soaked in thinner
or by soft brush
2. Fasten nozzle securely
3. Reduce air pressure