Your new Binks MACH 1A HVLP Automatic Spray Gun
is exceptionally rugged in construction, and is built to
stand up under hard, continuous use. However, like any
other fine precision instrument, its most efficient operation depends on a knowledge of its construction, operation and maintenance. Properly handled and cared for, it
will produce beautiful, uniform finishing results long
after other spray guns have worn out.
The automatic MACH 1A HVLP gun is a conventional
style airspray gun with special nozzles and modifications
that allow it to operate at high transfer efficiencies in
compliance with the “California South Coast Air Quality
Management District” regulations as a “high volume,
low pressure” airspray gun.
High pressure, low volume airflow is converted to high
volume, low pressure within the gun body. Special air
and fluid nozzles enable the gun to atomize fluid at low
air pressures and velocities, creating the “soft spray”
effect for high transfer efficiencies.
CAUTION
!
Before removing any components from spray gun, shut off
air and material pressure.
NOTE
IMPORTANT REGULATORY NOTE regarding
the use of this product appears on page 10.
Replaces
Part Sheet
77-2467R-12
Part
Sheet
77-2467R-13
In this part sheet, the words WARNING, CAUTION and NOTE are used to emphasize important safety information as follows:
WARNING
!
Hazards or unsafe practices which could
result in severe personal injury, death or
substantial property damage.
Read the following warnings before using this equipment.
READ THE MANUAL
Before operating finishing equipment, read and
understand all safety, operation and maintenance
information provided in the operation manual.
WEAR SAFETY GLASSES
Failure to wear safety glasses with side shields
could result in serious eye injury or blindness.
DE-ENERGIZE, DISCONNECT AND LOCK OUT ALL
POWER SOURCES DURING MAINTENANCE
Failure to De-energize, disconnect and lock out
all power supplies before performing equipment
maintenance could cause serious injury or death.
OPERATOR TRAINING
All personnel must be trained before operating
finishing equipment.
CAUTION
!
Hazards or unsafe practices which could
result in minor personal injury, product
or property damage.
Warning
!
NOTE
Important installation, operation or
maintenance information.
INSPECT THE EQUIPMENT DAILY
Inspect the equipment for worn or broken parts
on a daily basis. Do not operate the equipment
if you are uncertain about its condition.
NEVER MODIFY THE EQUIPMENT
Do not modify the equipment unless the
manufacturer provides written approval.
KNOW WHERE AND HOW TO SHUT OFF THE
EQUIPMENT IN CASE OF AN EMERGENCY
PRESSURE RELIEF PROCEDURE
Always follow the pressure relief procedure in the
equipment instruction manual.
EQUIPMENT MISUSE HAZARD
Equipment misuse can cause the equip ment to
rupture, malfunction, or start unexpectedly and
result in serious injury.
KEEP EQUIPMENT GUARDS IN PLACE
Do not operate the equipment if the safety
devices have been removed.
PROJECTILE HAZARD
You may be injured by venting liquids or gases
that are released under pressure, or flying debris.
PINCH POINT HAZARD
Moving parts can crush and cut. Pinch points are
basically any areas where there are moving parts.
AUTOMATIC EQUIPMENT
Automatic equipment may start suddenly without
warning.
CA PROP
65
NOISE HAZARD
You may be injured by loud noise. Hearing
protection may be required when using this
equipment.
STATIC CHARGE
Fluid may develop a static charge that must be
dissipated through proper grounding of the
equipment, objects to be sprayed and all other
electrically conductive objects in the dispensing
area. Improper grounding or sparks can cause a
hazardous condition and result in fire, explosion
or electric shock and other serious injury.
FIRE AND EXPLOSION HAZARD
Never use 1,1,1-trichloroethane, methylene
chloride, other halogenated hydrocarbon solvents
or fluids 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 fluid
suppliers to ensure that the fluids being used are
compatible with aluminum parts.
PROP 65 WARNING
WARNING: This product contains chemicals known
to the State of California to cause cancer and
birth defects or other reproductive harm.
IT IS THE RESPONSIBILITY OF THE EMPLOYER TO PROVIDE THIS INFORMATION TO THE OPERATOR OF THE EQUIPMENT.
FOR FURTHER SAFETY INFORMATION REGARDING BINKS AND DEVILBISS EQUIPMENT,
SEE THE GENERAL EQUIPMENT SAFETY BOOKLET (77-5300).
2
Binks MACH 1A HVLP AUTOMATIC SPRAY GUN
Typical Arrangement Diagram and Hook-up for Combined Fan and Atomizing Air
Fluid Inlet
Mounting
Lockscrew
Fluid Inlet 3/8 NPS
Atomizing Air Inlet
1/4 NPS
Oil and Water Extractor
Cylinder Air
Atomizing and
Fan Air Combined
Mounting Hole
(1/2" Dia.)
Side Port
Control Assembly
(Fan Pattern
Control)
Cylinder Air Inlet 1/4 NPS
Regulated Cylinder Air
From Oil and Water Extractor
Regulated Fluid Inlet
Four Gun Material Manifold
Four Gun
Combined
Fan and
Air
Manifold
Atomizing
Air
For some applications each gun may require individually regulated fluid and air inlet lines.
3-Way
Solenoid
3
Binks MACH 1A HVLP AUTOMATIC SPRAY GUN
Typical Arrangement Diagram and Hook-up for Separate Fan and Atomizing Air
(See Page 5 for Internal Modifications to Gun)
Fluid
Inlet
Fan Air
Atomizing
Air
Cylinder Air
Oil and Water Extractor
Regulated Cylinder Air From
Oil and Water Extractor
Regulated Fluid Inlet
Mounting
Lockscrew
Fluid Inlet
3/8 NPS
Atomizing Air
Inlet 1/4 NPS
Four Gun Material Manifold
Mounting Hole (1/2" Dia.)
Side Port
Control
Assembly
(Fan Pattern
Control)
Cylinder
Air Inlet
1/4 NPS
Fan Air Inlet
1/4 NPS
Atomizing
Air
3-Way
Valve
N.C. Valve
Fan Air
For some applications each gun may require individually regulated fluid and air inlet lines.
4 Gun
Air
Manifold
(SEE PAGE 11 FOR PNEUMATIC SCHEMATIC)
3-Way
Solenoid
GENERAL NOTES
1. Have at least 55-60 P.S.I. air pressure for cylinder’s
operating air.
2. To reduce overspray and obtain maximum efficiency,
always spray with lowest possible air pressure that
produces an acceptable spray pattern. Fluid pressure
should be less than air pressure in most applications.
3. The air line from gun to 3-way valve should be as
short as possible for rapid operation.
4. All air used in the gun should be dirt and moisture
free. (This is accomplished by using an oil and water
extractor).
5. Shut off all fluid and air lines to gun if gun is to stand
idle for any length of time. (This is to prevent “buildup” or accumulation of minute leaks in the system
from turning on the gun.)
4
TO CHANGE FROM COMBINED FAN AND ATOMIZING AIR
TO SEPARATE FAN AND ATOMIZING AIR
1. Unscrew end cap (27) and remove material needle valve
(21, 22, 23, 24) (See parts drawing, page 6).
2. Remove piston (19) by injecting low pressure air into
cylinder air port (A).
WARNING
!
Use of excessive pressure will cause piston to exit gun body at high
velocity, possibly resulting in damage to the components or personal
injury. Point back of the gun in a safe direction and do not use
excessive pressure to remove the piston.
3. With 5/32" Allen wrench, remove plug (20-5692)
from hole (B) on inside of cylinder.
4. Insert set screw (20-2141) into position
as shown in side cut-away.
5. Re-install plug (20-5692).
6. Re-install piston, 2 springs,
material needle valve
and end cap (27).
(See assembly drawing,
page 6).
7. Remove plug
20-2287 from the
fan air port (C).
8. Install fitting 71-28
into port (C).
Set Screw
(20-2141)
Side Cut-Away
Plug 20-2287
(remove)
View A
20-5692
C
A
B
B
23
View A
SETUP FOR SPRAYING
CONNECTING GUN TO MATERIAL HOSE
Gun should be connected by a suitable length of 3/8"
diameter material hose fitted with a connector with
a 3/8" NPS(f) nut at gun end. 1/4" diameter hose is
recommended for use with low viscosity materials.
(Fluid hoses of different composition are available
for special fluids.)
OPERATING THE MACH 1 HVLP AUTOMATIC SPRAY GUN
CONTROLLING THE MATERIAL FLOW
When fed from a pressure supply, an increase in the
material pressure will increase the rate of flow. Correct
fluid nozzle size ensures correct material flow rate. If
necessary, fluid flow can also be adjusted by adjusting
the amount of needle travel. This is done by loosening
lock nut (28) and adjusting control knob (29) until the
correct needle travel is achieved.
ADJUSTING AIR AND FLUID TIMING
A 1/16" gap between the air piston (19) and needle body
(23) should be maintained (see figure 1). This will create
needle motion that will allow adequate air flow before
the fluid starts flowing. The gap may be adjusted by
partially removing the material needle valve (21, 22, 23,
24), screwing the needle (21) either in or out of the nee-
dle body (23) and locking it back into the gun while
being sure to check the clearance between the air valve
piston (19) and the needle body (23).
CONNECTING GUN TO AIR HOSE
Gun should be connected by a suitable length of 5/16"
diameter air hose fitted with a connector with a 1/4"
NPS(f) nut at gun end.
ADJUSTING THE SPRAY PATTERN
The width of the spray pattern is controlled by the side
port control assembly (7) on page 6. Turning this control
clockwise until it is closed will give a round spray; turning it counterclockwise will widen the spray into a fan
shape. The fan spray can be turned anywhere through
360° by positioning the air cap (2) relative to the gun. To
effect this: loosen retainer ring; position nozzle, then, retighten retainer ring.
21
19
1/16" clearance
23
22
24
Figure 1
5
26
29
30
28
Item B of View A, on Page 5
8
15
21
45
14
27
20
25
17
24
19
18
23
22
38
37
32
35
16
36
11
9
10
12
13
34
33
31
7
44
5
6
41
39
40
4
50
51
3
43
2
42
49
48
1
47
46
Optional fluid needle cover (30) is for installations that need to be tamper-proof.
MACH 1AV
6
Needle cover allows gun to be fully opened when triggered.
PARTS LIST
(When ordering, please specify Part No.)
ITEM PART
NO. NO. DESCRIPTION QTY.
1 54-3531 RETAINING RING .......................... 1
2
3
4 54-3543 HEAD INSERT ................................ 1
5 54-3975
6 20-1359 SQ. BOLT
7 54-3720
8 54-3721 CONTROL SPINDLE ....................... 1
54-3691 Gun Cover (20 Pack)
54-4270 Flexible Needle Cover
54-1876 Heavy Duty Piston Spring
7
NOZZLE AND NEEDLE SELECTIONS
HVLP Air Nozzles
92P
=
For general industrial and automotive finish applications.
95P = Standard pressure nozzle for fine finish spraying.
95AP = Extra fine atomization nozzle for standard finish materials.
97P = Wide fan nozzle for fine finish of high solid coatings.
HVLP AIR NOZZLES
95P, 97P, 95AS, 95AP, 97AP, 905P■
GUN NOZZLE NOZZLE
INLET AIR FLOW ATOMIZING
PSI SCFM PSI
97AP = Extra fine atomization nozzle for high solids/metallics.
905P = Same as 95P but for use w/900 series fluid nozzle.
100P = Tulip Pattern shape for high quality atomization of low to
medium viscosity material.
HVLP AIR NOZZLE 93P■
GUN NOZZLE NOZZLE
INLET AIR FLOW ATOMIZING
PSI SCFM PSI
8.0 5.5 3
11.5 7.0 5
14.5 8.0 7
17.0 9.5 9
18.0 10.0 10
HVLP AIR NOZZLE 90P■
GUN NOZZLE NOZZLE
INLET AIR FLOW ATOMIZING
PSI SCFM PSI
5 4.0 3
7 4.5 5
10 5.0 7
12 5.5 9
15 6.0 10
HVLP AIR NOZZLE 92P■
GUN NOZZLE NOZZLE
INLET AIR FLOW ATOMIZING
PSI SCFM PSI
6.0 4.5 3
8.5 6.0 5
11.0 6.8 7
13.5 7.5 9
15.0 8.0 10
HVLP AIR NOZZLE 94P■
GUN NOZZLE NOZZLE
INLET AIR FLOW ATOMIZING
PSI SCFM PSI
14 7.0 3
21 9.0 5
27 11.0 7
30 12.0 9
33 13.0 10
HVLP AIR NOZZLE 100P■
GUN NOZZLE NOZZLE
INLET AIR FLOW ATOMIZING
PSI SCFM PSI
3.0 3.2 2
6.1 4.8 4
9.0 6.0 6
11.6 6.9 8
14.3 8.0 10
■ NOTE: Regulator pressures are based on 25' of 5/16" diameter hose in good condition without Quick-Disconnects or other resrictive
fittings. Use the air nozzle test gauge accessory to confirm the atomizing/regulator pressure relationship for your actual air
supply set-up. These recommendations are for “typical” or “average” fluids, and are intended to serve as a starting point.
Adjust as necessary for your specific application.
FLUID NOZZLES
STANDARD NOZZLES
APPLICABLE COMPATIBLE
MATERIAL FLUID NOZZLE NO. AIR NOZZLES FLUID NEEDLE†
ULTRA LIGHT: Reduced Flow.
89A (.025" Dia.)
VERY LIGHT: Reduced Flow. 90 (.030" Dia.) 93P, 94P 47-478
94VT (.052")▲ 1.3 mm 94P, 97P, 100P 54-3966
901VT (.066")▲ 1.6 mm 54-3967
903 (.079") 2.0 mm 47-478†
905 (.089") 2.3 mm 47-478†
905VT (.088")▲ 2.3 mm 905P 54-3968
906 (.100") 2.5 mm 47-478†
909 (.111") 2.8 mm 47-478†
909VT (.112")▲ 2.9 mm 54-3969
90F (.030") 0.8 mm 54-4032
91F (.040") 1.0 mm 54-4033
92F (.046") 1.2 mm
94F (.055") 1.4 mm
97F (.070") 1.7 mm
94P, 97P
95AP, 97AP
54-4034
100P
54-4039
54-4036
MAINTENANCE
LUBRICATION
Monthly: Remove piston assembly (17) and lubricate the air
cylinder chamber and needle valve spring with a coating of
petroleum jelly. Also, lubricate side port control assembly (7)
with oil. Binks Gunners Mate (56-429) is recommended.
CAUTION
!
Never use lubricants containing silicone since these lubricants can cause finish defects.
REMOVAL OF PISTON
First unscrew the end cap (27), remove the springs (25 & 26)
and pull out the entire material needle valve (21, 22, 23, 24).
Remove piston by applying a few pounds of air pressure to the
cylinder air inlet. Air pressure will cause the piston to pop out.
WARNING
!
Use of excessive pressure will cause piston to exit gun body
at high velocity, possibly resulting in damage to the components or personal injury. Point back of the gun in a safe direction and do not use excessive pressure to remove the piston.
CLEANING
In certain states it is now against the law to spray solvents
containing Volatile Organic Compounds (VOC) into the atmosphere when cleaning a spray gun.
In order to comply with these new air quality laws Binks
recommends one of the following two methods to clean your
spray finishing equipment:
1. Spray solvent through the gun into a closed system. An
enclosed unit, or spray gun cleaning station, condenses solvent vapors back into liquid form which prevents escape of
VOC into the atmosphere.
2. Place spray gun in a washer type container. This system
must totally enclose the spray gun, cups, nozzles, and other
parts during washing, rinsing, and draining cycles. This type
of unit must be able to flush solvent through the gun without releasing any VOC vapors into the atmosphere.
TO REPLACE NEEDLE SEAL AND GLAND ADAPTER IN FLUID INLET
Remove end cap (27), springs (25 & 26) and assembled material needle valve consisting of (21, 22, 23, 24). Proceed to the
front of the gun and remove retaining ring (1), air nozzle (2)
and fluid nozzle (3). Then, using wrench (43), unscrew head
insert (4) and remove fluid inlet (33). Unscrew packing nut
(38) and remove spring (37) and seal backup (36). Using a
No. 10 x 1-1/4" coarse thread wood screw (Binks Part No.
20-6536) or small sheet metal screw, remove the needle
seal (35) and gland adapter (34).
Replace gland adapter (34) and needle seal (35). Re-insert seal
backup (36), spring (37) and screw on packing nut (38) a couple of turns so it fits loosely by hand. Reassemble fluid inlet
(33) to gun body (5) with head insert (4). Tighten head insert
using wrench (43). Reassemble fluid nozzle (3), air cap (2) and
retaining ring (1). Re-insert material needle valve (21, 22, 23,
24), springs (25 & 26) and screw on end cap (27). Finally,
tighten packing nut (38) until it bottoms out on fluid inlet (33).
Additionally, open containers for storage or disposal of solvent,
or solvent-containing cloth or paper, used for surface preparation and clean-up may not be used. Containers shall
be non absorbent.
CLEANING
To clean the gun, flush the fluid lines with solvent and blow air
through the lines to make sure all the air passages are dry.
CAUTION
!
Never completely submerge the gun in solvent as this will
dissolve the lubricating oil and dry out the seals.
9
TROUBLE SHOOTING
FAULTY SPRAY
A faulty spray may be caused by improper cleaning, dried
materials around the fluid nozzle tip or in the air cap. Soak
these parts in thinners that will soften the dried material and
remove with a brush or cloth. If either the air cap (2) or fluid
nozzle (3) are damaged, these parts must be replaced before
perfect spray can be obtained.
CAUTION
!
Never use metal instruments to clean the air or fluid nozzles, these parts are carefully machined and any damage
to them will cause faulty spray.
GUN DIMENSIONS
INTERMITTENT SPRAY
If the spray flutters, it is caused by one of the following faults:
1. Insufficient material available. Check supply and replenish
if necessary.
2. Loose fluid nozzle (3). Tighten but without using undue
force (100-120 in. lbs. torque).
3. Leakage at material needle valve packing (40). Tighten or
replace air valve gland assembly.
4. Fluid connection insufficiently tight or dirt on cone faces of
connection. Correct as necessary.
5. Leaking cylinder air and/or inadequate pressure.
6. Inadequate fluid pressure.
4 in.
7 in.
Approx. wt. 1.2 lbs.
CAUTION
!
Do not exceed 70 psi gun inlet pressure. Use air nozzle test gauge assembly to
determine and verify exact nozzle operating air pressure.
2 in.
IMPORTANT REGULATORY NOTE
Some regulatory agencies prohibit the operation of HVLP spray guns
above 10 PSI nozzle atomizing pressure. Users subject to this type of
regulation should not exceed 10 PSI (50 PSI gun inlet pressure). It is recommended that the air nozzle test gauge assembly (at right) be used to
confirm actual nozzle operating pressure.
It may also be a requirement of some regulatory agencies that users
have this gauge nozzle available on site to verify that the gun is being
operated within the limits of applicable rules.
AIR NOZZLE TEST GAUGE ASSEMBLY
54-3935 for 95P, 97P, 95AP, and
97AP Nozzles.
54-3908 for 900 Series Nozzles.
54-4345 for 90P Air Nozzle.
54-4356 for 93P Air Nozzle.
54-3902 for 91P and 92P Air Nozzles.
54-4066 for 94P Air Nozzle.
54-5650 for 100P Air Nozzle.
Part No.
59-299
Gauge Only
(Replacement)
10
TYPICAL MACH 1A HOOK-UP WHEN FAN AND ATOMIZING AIR ARE SEPARATED
Fan Air
Fluid Supply (reference only)
Fluid
Inlet
Cylinder Air
Atomizing
Air
Cylinder Air
E
3-Way N.C.
Solenoid Valve
Fan Air
Atomizing Air
Fan Air
"On-Off"
N.C. Valve
E
Fan Air
Regulator
Atomizing Air
Regulator
11
WARRANTY
This product is covered by Binks’ 1 Year Limited Warranty.
Binks Sales and Service: www.binks.com
U.S.A./ Canada Customer Service
ITW Finishing Equipment Americas
195 Internationale Blvd.
Glendale Heights, IL 60139
630-237-5000
Toll Free Customer Service
and Technical Support
800-992-4657