Fuji Spray V8 Series User manual

Contents
Contents
Specications
Safety Precautions
Assembly
Operation
Technique
Parts Diagram
Air Cap Sets
Finish Problems
Troubleshooting
Cleaning
Reassembly
Disassembly for Service or Repairs
Warranty Information
1
2
3 - 4
5
6 - 7
7
8 - 9
10
11
12 - 13
14
15 - 16
17
18
1

V8 Series
SPECIFICATIONS
Max. cfm at psi
MP Max. 12.2 cfm at 35 psi
HVLP Max. 14.7 cfm at 28 psi
Air Consumption
MP 12.2 cfm
HVLP 14.7 cfm
Operating Pressure Range
MP 9 to 35 psi
HVLP 9 to 28 psi
Standard Air Cap Set
MP 1.3mm
HVLP 1.4mm
Air Inlet Size 1/4” BSP and NPS
Air Supply Hose Width 5/16” ID
Fluid Coupler Size (Gravity) 3/8” PF
Gun Weight (Without Cup) 521g
Nozzle Sizes Available (in mm) 1.2; 1.3; 1.4; 1.7; 2.0; 2.2
Spray Gun Materials
Body Forged Aluminum
Air Cap Nickel Plated Brass
Nozzle Stainless Steel
Needle Spring Stainless Steel
Fluid Passages Stainless Steel
Seal Gaskets PTFE (Teon)

3
Please read these instructions before using the equipment
FIRE AND EXPLOSION HAZARD
Equipment must not be used in an area contaminated by volatile
or ammable materials. This could ignite the contaminants
causing a dangerous explosion.
• Do not spray ammable or combustible materials near an open
ame or sources of ignition such as cigarettes, motors, and
electrical equipment.
• Never use 1,1,1-Trichloroethane, Methylene Chloride, other
Halogenated Hydrocarbon solvents or uids containing such
solvents in equipment with aluminum wetted parts. Such use
could result in a serious chemical reaction, with the possibility of
explosion. Consult your uid suppliers to ensure that the uids
being used are compatible with aluminum parts.
• Always keep spray area well-ventilated. Always keep a good
supply of fresh air moving through the area.
• Do not smoke in the spray area.
• Do not operate light switches, engines, or similar spark producing
products in the spray area.
• Always keep area clean and free of paint or solvent containers,
rags, and other ammable materials.
• Fire extinguisher equipment shall be present and working.
TOXIC FLUID OR FUMES HAZARD
Toxic uids or fumes can cause serious injury or death if
splashed in the eyes or on skin, inhaled, or swallowed.
• Read MSDS (Material Safety Data Sheet) to know the specic
hazards of the uids you are using.
• Always wear appropriate gloves and eye protection.
• Always wear a respirator. Read all instructions of the respirator
to ensure that it will provide the necessary protection against
the inhalation of harmful vapors. Also check with the local
jurisdiction.
• Paint, solvents, insecticides and other materials may be harmful if
inhaled.
• Store hazardous uid in approved containers and dispose of it
according to applicable guideline.
• Do not stop or deect uid leaks with your hand or body.

V8 Series
EQUIPMENT MISUSE HAZARD
Misuse of equipment can cause serious injury or death.
• Health and safety, accident prevention, work and environment
protection regulations and policies are mandatory.
• Never aim the Spray Gun at another person or animal. In the
event of injury, seek expert medical attention immediately.
• Do not operate or spray near children. Always keep children away
from equipment at all times.
• Do not overreach or stand on an unstable support. Always keep
eective footing and balance.
• Stay alert and watch what you are doing.
• Do not operate the unit when fatigued or under the inuence of
drugs or alcohol.
• Check the hose, hose connectors and Spray Gun before every
use. Any worn or damaged parts should be replaced immediately.
• Before performing any maintenance to the equipment, de-
energize, depressurize, disconnect and lock out all power
sources.
• Use only genuine Fuji Spray replacement parts. Never modify the
equipment.
STATIC CHARGE HAZZARD
Static electricity may be produced by uid. Make sure any electrically
conductive object being sprayed, spray area, and spray equipment is
properly grounded to prevent static sparking. Improper grounding or
sparks can cause a hazardous condition and result in electric shock,
re, or even explosion and other serious harm.
Prop 65 for California Residents
WARNING: This product may contain chemicals known to
the State of California to cause cancer, birth defects, or other
reproductive harm.
Warning: Sound levels produced by spray guns during use may be
harmful to the ear depending on the set-up. It is recommended that
ear protection is always worn at all times when spraying.
THE EMPLOYER IS RESPONSIBLE TO PROVIDE THIS INFORMATION
TO THE OPERATOR OF THE EQUIPMENT

5
ASSEMBLY
Cup Assembly Installation:
Insert Paint Strainer into the base of the Cup from the outside. Attach
the cup assembly by screwing into the Fluid Coupler of the Spray
Gun. Hand-tightened is enough.
Connecting to Air Supply:
1. Attach pressure regulator with gauge (not included) into the
Spray Gun’s air inlet
2. Attach hose connector nipple (not included) to pressure
regulator with gauge
3. Connect air supply hose
(OPTIONAL) Attach hose connector nipple directly into the Spray
Gun’s air inlet and connect air supply hose.
NOTE: For best spray results, it is recommended using a 5/16” ID
air pressure hose. If hose is over 20ft then a 3/8” diameter would
be ideal. Using a smaller diameter hose will result in a signicant
drop in pressure.
NOTE: Air supply must be clean, moisture free, oil free air and
properly regulated.
Most HVLP and MP (Mid-Pressure or reduced pressure) compressor
Spray Guns will operate between 10 and 20cfm. A 20cfm Spray
Gun will drain the air from a moderate sized 5hp compressor. If an
additional air tool is connected to the circuit and used during this
time, the Spray Gun’s atomizing pressure will vary. This will result
in a lower quality performance and inconsistent outcome. For best
results, a larger compressor is recommended.

V8 Series
OPERATION
To clean out any impurities that may have accumulated during
assembly or shipping of the Spray Gun, we recommend spraying a
small quantity of clean paint thinner through the gun. If you intend
to spray water-based paints and materials, make sure uid passages
and components that may have come in contact with paint thinner
are completely dry.
• Mix material to manufacturer’s requirements, and properly
strain.
• Fill the material cup no more than maximum 3/4 full - Do not
overll.
• As a safety guard and reference point, turn Fluid Control Knob
(#15) clockwise, do not force. This will prevent any accidental
trigger pull as you complete setting up.
• Turn the Fan Pattern Control Knob (#16-6) counter-clockwise, this
will set the Spray Gun to the widest fan pattern.
• Connect air supply to the Spray Gun and rotate the Fluid Control
Knob (#15) counter-clockwise two full turns. This will allow for
some material to ow out of the Nozzle to atomize.
• Point Spray Gun away from you, pull the trigger and gauge the
Spray Gun’s settings. You may need to adjust material ow, air
pressure, or fan pattern settings at this time to achieve desired
settings.
Fluid Control - If the material ow is too heavy, turn the Fluid Control
Knob clockwise, this will reduce material volume ow. To increase
material volume ow for a wet nish, turn the Fluid Control Knob
counter-clockwise.
Pressure Regulator - Air pressure adjustment will signicantly
aect how the material is atomized. If looking too coarse when wet,
increase air supply pressure at the pressure regulator located at base
of the Spray Gun’s handle. If looking too ne, decrease pressure. For
pressure specications of the Spray Gun, see page 2.

7
Pattern Control - To produce a smaller fan pattern, turn the Fan
Pattern Control Knob (#16-6) clockwise. For widest pattern, turn Fan
Pattern Control Knob counter-clockwise.
NOTE: In most cases, a combination of all three adjustments will
provide the desired results.
TECHNIQUE
The Spray Gun should be held perpendicular to the surface at all
times. Hold the gun no more than 8” (20cm) away from the surface to
be sprayed.
CORRECT METHOD
Begin spraying by pulling the Trigger and move the Spray Gun in
the direction you want to spray. Start your pass from o the edge of
the piece; then continue o the edge of the piece on the other end
before releasing the Trigger. Between each successive pass, overlap
by 50%.
INCORRECT METHOD
CAUTION: Never for any reason point the Spray Gun directly at
the face or head of a person.

V8 Series
FUJI SPRAY AUTO™ V8 SERIES SPRAY GUN
PART DESCRIPTION
• • 6882 Spray Gun
Rebuild Kit
consists of one
each of these
parts
•Parts not
removable
ITEM PART NAME
1Air Cap with Collar
1-1 Air Cap Retaining Ring
1-2 Collar
1-3 Air Cap O-Ring
1-4 Air Cap
1-5 Collar Seal
2 Fluid Nozzle
• • 3 6803 Air Distributor
4 Gun Body
5 6805 Rear Barrel Plug with Seal

9
ITEM PART NAME
5-1 Rear Barrel Plug Seal
5-2 Rear Barrel Plug
•6 Valve Seal
•7 Spindle Valve Housing
• • 8 6808 Spindle Valve Bushing
• • 96809 Spindle Valve
• • 10 6810 Spindle Valve Spring
• • 11 6811 Fluid Screw Nut
12 Needle
• • 13 6813 Needle Spring
• • 14 6814 Needle Spring Cap
• • 15 6815 Fluid Control Knob
16 6816 Fan Pattern Control Assembly
16-1 Fan Assembly Valve Seal
16-2 Fan Assembly Valve Retaining Ring
16-3 Fan Assembly Valve Housing
16-4 Fan Assembly Valve
16-5 Fan Assembly O-Ring
16-6 Fan Pattern Control Knob
16-7 Fan Pattern Control Knob Screw
19 6819 Air Control Assembly
19-1 Air Control Seal Valve Locking Ring
19-2 Air Control Seal Valve
19-3 Air Control Seal Valve Washer
19-4 Air Control Housing Locking Ring
19-5 Air Control Housing
19-6 Air Control Knob O-Ring
19-7 Air Control Knob
•20 Air Inlet
• • 21 6821 Needle Packing Assembly
21-1 Needle Packing
21-2 Needle Packing Spring
21-3 Needle Packing Nut
22 6822 Trigger Pin
23 6823 Trigger
24 6824 Trigger Retaining Ring
•25 Fluid Coupler
26 6840 600cc Gravity Nylon Cup (6841 - Aluminum)

V8 Series
Air Cap Set Sizes
(Sold Separately)
Part Number MP Part Number HVLP
1.2mm 6800MP-V8-1.2 6890H-V8-1.2
1.3mm (Standard MP-V8) 6800MP-V8-1.3 6890H-V8-1.3
1.4mm (Standard H-V8) 6800MP-V8-1.4 6890H-V8-1.4
1.7mm 6800MP-V8-1.7 6890H-V8-1.7
2.0mm 6800MP-V8-2.0 6890H-V8-2.0
2.2mm 6800MP-V8-2.2 6890H-V8-2.2

11
FINISH PROBLEMS
PROBLEM CAUSE FIX
ORANGE PEEL - Finish
is rough and resembles
orange peel.
Surface is spotty
Material is too thick Add more thinner (or
appropriate solvent)
Air inlet pressure is too
low
Increase air pressure to
the gun
Drying too fast Add retarder
Too close to surface Keep distance 8” (20cm)
away from surface
Fluid Volume Control
Knob set to heavy ow
Turn Fluid Control
Knob clockwise to
decrease ow
Spray an extremely thin
lm, but still wet coat
Surface is rough or
dirty
Prep or clean
thoroughly
GRITTY FINISH -
Sprayed surface is
rough and dry to the
touch
The material is too thin,
it is likely to be over-
atomized
Set the uid control
knob to increment
material ow
Spray a wetter coat
Too far from surface Keep distance 8” (20cm)
away from surface
Contaminated surface Prep and clean
thoroughly
FISH EYES - A sprayed
surface or spot that
the material does not
adhere to
Contamination such as
silicone or oil on the
surface that interferes
with the nish
Thoroughly clean, wash
or sand the area, then
spray over. Start with
light coats
RUNS AND SAGS -
When paint/material
is pooling in an area
causing drips
Fluid Volume Control
Knob set to heavy ow
Turn Fluid Control
Knob clockwise to
decrease ow
The speed of your pass
is too slow
Bring your pass to a
moderate speed
Inconsistent distance
from surface per pass
Keep distance 8” (20cm)
away from surface. See
page 7 - Technique

V8 Series
TROUBLESHOOTING
SPRAY GUN PROBLEMS
PROBLEM CAUSE FIX
NO PAINT
OR VERY LITTLE PAINT
No pressure from air
supply hose
Check for air leaks
on hose or adjust to
appropriate pressure
The air passage in Lid
of the Cup may be
obstructed
Clean obstruction at
pinhole located on Lid
of the Cup
Cup is empty Rell Cup with material
Strainer may be
clogged
Replace/remove
Strainer
Fluid Coupler is blocked
with material Clean Fluid Coupler
UNEVEN SPRAY
PATTERN
One of the holes in the
Air Cap may be blocked
Remove Air Cap or
Nozzle and clean by
soaking in appropriate
solvent and using a
soft bristle brush or a
rag. NEVER use metal
objects to clean holes
in the Air Cap.
The material could
be contaminated and
partially blocking Fluid
Nozzle
LEAKAGE
If material comes out
of the Fluid Nozzle
without pulling the
Trigger...
The Needle is not
seating in Fluid Nozzle
properly - check if
Needle or Fluid Nozzle
is damaged or worn
Lubricate Needle or
Replace Needle and
Fluid Nozzle
Foreign matter trapped
between Needle and
Fluid Nozzle
Remove Needle and
Fluid Nozzle and
thoroughly clean
Loose Fluid Nozzle Tighten Fluid Nozzle
Wrong Fluid Nozzle or
Needle size installed
Check and install
correct Fluid Nozzle or
Needle size to match

13
TROUBLESHOOTING
SPRAY GUN PROBLEMS CONTINUED
PROBLEM CAUSE FIX
CUP LEAKS
Cup or Lid may be
cracked Replace Cup Assembly
Cup Lid is too loose
Tighten Cup Lid - hold
Cup (not Gun) with one
hand, and tighten Lid
with the other
THE TRIGGER IS
SLUGGISH
Bent Needle or not
lubricated
Replace
Lubricate shaft of
needle
POOR SPRAY PATTERN
Damaged Needle or
Nozzle Replace
Air holes in Air Cap or
Nozzle clogged
Clean Air Cap or Fluid
Nozzle
Damaged Air Cap Replace
Gun too far from
surface
Keep consistent
distance of 8”- 20cm
from surface
PAINT AT THE AIR
NOZZLE HOLES
Fluid Nozzle is loose
and material is leaking
around it
Tighten with supplied
Wrench
GUN SPRAYS IN A
PULSATING MANNER
Cup is almost empty Rell Cup with material
Blocked uid passage
Thoroughly clean
uid passages with
appropriate solvent
Air passage in the Lid
of the Cup may be
obstructed
Clean obstruction at
pinhole located on Lid
of the Cup
Fluid Nozzle is loose or
damaged
Tighten with supplied
Wrench or replace
CAUTION
With the standard 600cc Gravity Cup installed on the Gun, do
not lay the Gun down on its side with liquid material in it.

V8 Series
GENERAL CLEANING
It is very important to properly clean your Spray Gun after each use.
This will prevent any build-up and/or contamination when spraying
other materials. Keeping your Spray Gun clean will also prevent spray
problems due to blockage.
PLEASE DO NOT USE A WIRE BRUSH OR ANYTHING METAL TO CLEAN
THE GUN OR CUP AS THIS WILL CAUSE DAMAGE. We recommend
using the Fuji Spray Gun Cleaning Kit (part # 3100).
WARNING
DO NOT remove the Fluid Coupler (#25), the threads in your
Spray Gun have been sealed at the factory to prevent leakage.
CAUTION
Never soak the complete Spray Gun in solvent as this is
detrimental to the seals and removes the lubricants from parts.
CLEANING FLUID PASSAGES (Level 1)
1. Remove lid of the cup and pour left over material into a
container
2. Wipe the inside of the cup with a solvent-soaked cloth
3. Add some appropriate solvent into the Cup, reattach Lid to the
cup and spray
4. Pull the trigger repeatedly to properly ush the uid passages,
Needle and Nozzle
5. This process ushes solvent through the Spray Gun while it is
still connected to the air supply hose and the paint is still wet
inside the Gun.
If this type of quick cleaning is performed frequently, the Spray Gun
will function well for many years. More than 50% of problems with a
Spray Gun stem from clogs in the uid passages and perhaps more
important, the air passages.

15
THOROUGH CLEANING (Level 2)
DISSASSEMBLY - See page 16 for images
You may soak only the metal parts in neutral cleaning solution
(pH value 6 to 8) and clean with the soft bristle cleaning brush.
After performing Level 1 cleaning and removing the gravity cup from
the Spray Gun:
1. Fig. A - Remove Fluid Control Knob #15 and Needle Spring with
Cap #13 and #14
2. Fig. B - Pull the Trigger #23 and the Needle #12 will extend from
the rear of the gun
3. Fig. C - Carefully slide the Needle #12 out - Do not bend
4. Fig. D - Remove the Air Cap with Collar #1
5. Fig. E - Using the supplied Wrench, remove the Fluid Nozzle #2
6. Fig. F - Remove Air Distributor #3 and inspect for material
residue
7. Fig. G - Use the supplied cleaning brush and appropriate solvent
to clean behind the Fluid Nozzle #2
8. Fig. H - Soak the Air Cap with Collar #1, Nozzle #2 and Needle
#12 in appropriate solvent, and clean. It is not necessary to
soak or clean Air Distributor #3 unless there are traces of
material on it
After cleaning the Spray Gun, it is recommended that the uid
passages, threads and cup be blown dry with clean compressed air.
Prior to assembly, always make sure ALL Gun components are
present. Assembly of Spray Gun with missing parts may cause
damage or harm.
REASSEMBLY
To reassemble, rst oil or grease all moving and threaded parts.
1. Fig. I - Match the Locating Pin of the Air Distributor #3 to Gun
Body
2. Fig. E - Attach Fluid Nozzle #2 and tighten with the supplied
Wrench
3. Fig. D - Screw in the Air Cap with Collar #1
4. Fig. J - Add lubricant to the shaft of the Needle #12
5. Fig. C - Carefully slide in the Needle - Do not bend
6. Fig. A - Add Needle Spring with Cap #13 and #14 and attach
Fluid Control Knob #15

V8 Series
A B
C D
E F
G H
IJ
230-240 lbf-in
200-208 kgf-cm

17
Disassembly for Service or Repairs
Needle Packing Nut Assembly
Follow instructions on page 15 up to #6, then follow the steps
below:
1. Fig. K - Use an Allen Key size 6 to remove Fluid Screw Nut # 11,
Then remove Spindle Valve Spring #10, Spindle Valve #9 and
Spindle Valve Bushing #8
2. Fig. L - Remove Trigger #23 by unclipping Retaining Ring #24
with a size 0.375” (7/64”) Retaining Ring Tool from Trigger Pin
#22 and slide out. This will release Trigger #23
3. Fig. M - Remove Needle Packing Nut Assembly #21 by inserting
long end of supplied Allen Key from rear of Spray Gun. Push
Allen Key all the way through until the end almost comes out
at front of Spray Gun. Turn Allen Key counter-clockwise to
unscrew Needle Packing Nut Assembly #21
Fan Pattern Control Assembly
1. Fig. N - Remove Fan Pattern Control Knob Screw #16-7 using
Torx screwdriver. Remove Pattern Control Knob #16-6
2. Fig. O - With a wrench, unscrew Pattern Control Assembly #16
K L
MN
O

V8 Series
Fuji Spray Auto™ Limited 1 Year Warranty
Fuji Industrial Spray Equipment LTD. (“Fuji”) provides a 12 month
limited warranty on the product to the original purchaser
eective from the date of purchase against defects in materials
and workmanship.
The warranty does not cover damage or defects arising as a result
of abuse, misuse, accident, negligence, malfunction, corrosion,
normal wear and tear, inadequate or lack of Spray Gun or other
aspects of maintenance of the product, damage arising from
improper assembly, installation or operation or damage arising
from the product being used for a purpose other than that for
which it was designed or intended. The warranty is void if repairs
to the product are made or attempted by anyone other than Fuji
or its authorized agent, or if any modications to the product are
made or attempted.