EN
77-2122-R13.1 (11/2015)
3 / 8
Binks MODEL 570 AUTOMATIC MASTIC AIRLESS SPRAY GUN
9. “Hour glass” or “tails” on the spray pattern normally
indicates too low a fluid pressure for the nozzle tip
being used; or, the material is too viscous.
10. A distorted spray pattern usually means a plugged or
worn nozzle tip.
11. Using excesive fluid pressure will only cause undue
wear of the nozzle tip.
INCORRECT PATTERNS
CENTER LINE
OF
GUN
“TAILS”
“HOURGLASS” “DISTORTION”
90º
90º
MAXIMUM
FAN WIDTH
8"
to
14"
MAINTENANCE INSTRUCTIONS
(See High Pressure Warning Statement on Page 1)
To Clean Nozzle Tip:
1. BEFORE proceeding with any maintenance, read
safety procedure, paragraph 3, in High Pressure
Warning, page 1.
2. Remove tip guard assembly (4), nozzle tip, and
gasket (3).
3. Submerge nozzle tip in solvent to remove dried
material.
4. Blow air through nozzle tip to clean.
5. Airless spray nozzle Tips are made of tungsten car-
bide and are very brittle. Do not drop. To clean a
nozzle tip use solvent, toothpick or sharpened match.
Never use a metal probe.
To Replace Wire Assembly:
1. BEFORE proceeding with any maintenance, read
safety procedure, paragraph 3, in High Pressure
Warning, page 1.
2. For convenience, you may wish to remove spray gun
from gun mount.
3. Carefully remove the cap (10). The spring (13) is
under tension and will come out when cap (10) is
removed.
4. Remove nut (14) and lockwasher (15). The back plate
(12), diaphragm (11) and washer (17) may be
removed at this time.
5. Loosen the wire assembly nut (6) from the stem (20).
6. Loosen and remove the bearing screw assembly (19)
and the stem (20) from spray gun. The packing (18)
should also be inspected at this time. If worn, replace.
7. Loosen and remove the gland nut (21). The wire
assembly (6) may now be pulled rearward from the
spray gun.
8. If worn, replace the gland set (22).
9. The material body assembly (7) may be removed for
cleaning by loosening set screws (1). Note the pin in
gun body assembly (8).
10. Reassemble in reverse order.
DIFFUSER ASSEMBLIES*
Reduces fluid velocity to minimize tip wear and to aid
fluid filtration. 54-2229 nylon gasket is included
with 54-2378.
54-2378 nut for use with 54-1835 (.005) or
54-1836 (.009) edge type filter.
54-1640
54-1639
54-2378
54-1835
54-1797
54-1836
*Not furnished.
Please order separately.
CORRECT PATTERN
