Dewalt DWMT70779 Instruction Manual - Page 11

Defective Pattern, Likely cause, Suggested Remedy

Get Dewalt DWMT70779 PDF manuals and user guides View all Dewalt DWMT70779 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 11 highlights

English 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 DeWALT technician or your dealer. Defective Pattern Likely cause Material leaking from fluid inlet of cup. 1. Loose cup or foreign substances on/ between cup thread and fluid inlet Suggested Remedy 1. Tighten and clean or replace it Material leaking from nozzle when trigger is released A. 1. Worn fluid needle 2. Dried material in tip of nozzle 3. Loose packing nut Dried material is A clogging side-port "A" and causing side-port "B" to blow spray towards the clogged side 1. Replace 2. Clean 3. Tighten needle packing nut by turning counterclockwise Soak side-ports in thinner to clean clog. DO NOT poke any opening with hard objects. B B. 1. Dried material at 1. Remove air nozzle. fluid nozzle "C" restricts air flow C Wipe off fluid tip using a cloth soaked in thinner or by soft brush 2. Loose air nozzle 2. Fasten nozzle securely 3. Air pressure 3. Reduce air pressure set too high 11

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
11
English
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
D
E
WALT
technician or your dealer.
Defective Pattern
Likely cause
Suggested Remedy
Material leaking
from fluid inlet
of cup.
1. Loose cup or
foreign substances
on/ between cup
thread and fluid inlet
1. Tighten and clean
or replace it
Material leaking
from nozzle when
trigger is released
1. Worn fluid needle
2. Dried material in tip
of nozzle
3. Loose packing nut
1. Replace
2. Clean
3. Tighten needle
packing nut by turning
counterclockwise
A.
Dried material is
clogging side-port “A”
and causing
side-port “B” to blow
spray towards the
clogged side
Soak side-ports in
thinner to clean clog.
DO NOT
poke any
opening with hard objects.
B.
1. Dried material at
fluid nozzle “C”
restricts air flow
2. Loose air nozzle
3. Air pressure
set too high
1. Remove air nozzle.
Wipe off fluid tip using a
cloth soaked in thinner
or by soft brush
2. Fasten nozzle securely
3. Reduce air pressure
A
B
C