Anest Iwata GRAVITY Serie Manual De Instrucciones De Uso Y Mantenimiento página 3

EN
AZ3 HTE S Impact | AZ3 HTE S HVLP Impact
5. MAINTENANCE AND INSPECTION
CAUTION
Before carrying out maintenance and inspection ALWAYS
observe warning indications.
- Never use spare parts that are not AIRGUNSA originals.
- Never damage fluid nozzle tip, fluid needle or air cap holes.
- Never immerse the spray gun completely in liquids such as thinner.
5.1 CLEANING PROCEDURE
The fluid passages of the gun, must be cleaned thoroughly
after each use, especially after use with bi-component paints.
Incomplete cleaning can cause defective pattern shape.
- Never soak air cap set (1) in cleaning liquid for an extended period,
even when cleaning.
- Never use metal brush to clean the gun.
1. Drain remaining paint from spray gun and cup, into a suitable container.
2. Pour cleaner into cup.
3. Unscrew air cap (1) by 2 turns, to allow atomizing air to back flush, fluid
passages of the gun.
4. Pull trigger (13) and make sure, that atomizing air enters cup.
5. Leave cleaner for a few seconds, then empty it into suitable waste con-
tainer.
6. Repeat procedure above, until spray gun is clean.
7. Remove air cap (1) and cup from gun, then clean each section with brush
soaked with cleaner and wipe out with waste cloth.
8. DRY ALL PARTS completely and apply spray gun lubricant to each thread.
5.2 MAINTENANCE
BEFORE DISASSEMBLY, CLEAN FLUID PASSAGES.
a. Disassemble fluid nozzle (2), while keeping fluid needle (9) pulled (triggering)
in order to protect its seat section.
b. Disassemble fluid needle set (9). (only when strictly necessary)
c. Remove the fluid adj. knob (6) and needle spring (8), extracting the spring and
fluid needle set (9), from the back of fluid adj. guide (7) set still assembled on
the gun body.
d. Adjustment of the needle packing set, must always be carried out with fluid
needle (9) still assembled, tightening the nut with a properly spanner, making
sure that excessive tightening does not impede movement of fluid needle (9),
resulting in paint leaking from fluid nozzle tip (2).
4
- When you remove needle packing nut (10), don't
leave the two plastic parts of needle packing set
in the gun body.
- Try to adjust it carefully while pulling trigger and
confirming movement of fluid needle set (9).
- If you tighten it too much, repeat operation.
e. Disassembly of pattern adjustment set (5) and/or air adjustment set (14).
In order to disassemble pattern adj. set (5) and/or air adj. set (14), turn
manually turn the hexagon knob of the adjustment counter-clockwise to
open it completely and unscrew the hexagon face with a spanner turning it
counter-clockwise.
- To reassemble pattern adjustment set (5) and/or air adjustment set (14),
reverse the procedure.
IMPORTANT: Before reassembling pattern adjustment set and/or air
adjustment set, make sure that these operations are carried out with the
adjustment fully open.
5.3 HOW TO ADJUST
PATTERN ADJUSTMENT
(for all models)
AIR FLOW ADJUSTMENT
Left turn (L)= LARGE pattern
Right turn (R)= SMALL pattern
5.4 INSPECTION & REPLACEMENT STANDARD
WHERE TO INSPECT REPLACEMENT PART
a. Each hole passage of air cap
Replace if it is crushed or deformed.
(1) and fluid nozzle (2).
b. Packing and O ring Replace if it is deformed or worn out.
c. Leakage from seat section Replace them if leakage does not stop
between fluid nozzle (2) and after fully cleaning fluid nozzle (2) and
fluid needle set (9). fluid needle set (9).
If you replace fluid nozzle (2) or fluid
needle set (9) only, fully matchthem and
confirm that there is no leakage.
AZ3 HTE S Impact | AZ3 HTE S HVLP Impact
6. TROUBLESHOOTING
GUN DOES NOT SPRAY
- Fluid adj. knob (6) closed. Check and adjust.
- Tip hole of nozzle (2) obstructed. Check and clean.
- Paint filter obstructed. Check and clean.
- Non drip obstructed. Check and clean.
INTERMITTENT SPRAY PATTERN
- Air escapes from fluid nozzle. Check , clean & replace if
necessary.
- Air escapes from fluid needle Tighten.
packing (10).
- Air escapes from cup joint. Tighten.
- Dirt inside air cap (1). Clean.
DEFECTIVE SPRAY PATTERN
- Dirty nozzle (2) or air cap (1). Clean carefully.
- Nozzle (2) or air cap (1) Replace if damaged.
has been damaged.
- Fluid nozzle (2) is loose. Tighten.
- Paint viscosity too high or Dilute paint or increase
too low. viscosity
- Fluid output too high or Adjust fluid adj. knob (6)
too low. to reduce or increase.
LEAKING
- Fluid nozzle (2), needle set Clean or replace if neces-
(9) or gun body, dirty, sary.
damaged or worn on seat.
- Dirt inside air cap (1). Clean.
- Loose fluid adj. knob (6). Adjust.
- Fluid needle spring (8) is Replace.
worn.
- Loose fluid nozzle (2). Tighten.
- Needle packing set (10) loose, Adjust, clean or replace.
too tight, dirty or worn.
AIR ESCAPES FROM AIR CAP
- Air valve (11-2), air valve seat Clean or replace if neces-
(11-3) or air valve spring sary.
(11-1) dirty or damaged.
7. SPARE PARTS LIST
B
18
F
16-1
5
2
1
16
11-1
9
C 10
12
11 11-2
12
11-3
13 14
17
E
C
REF. DESCRIPTION
1 AIR CAP SET
2 FLUID NOZZLE
5 PATTERN ADJUSTMENT SET
6 FLUID NEEDLE ADJ. KNOB
7 FLUID NEEDLE GUIDE
8 NEEDLE SPRING
9 FLUID NEEDLE
10 NEEDLE PACKING NUT
11 AIR VALVE SET
11-1 AIR VALVE SPRING
11-2 AIR VALVE
11-3 AIR VALVE SEAT
12 TRIGGER STUD
13 TRIGGER
14 AIR ADJUSTMENT SET
16 SCREW
16-1 PLUG
17 AIR NIPPLE
18 GRAVITY CUP SET (600 ml)
B NON DRIP
C PACKING SET
D SLIDE RING KIT
E AIR VALVE SHAFT TIP SET
F PAINT FILTER (50 MESH)
NEVER REMOVE FLUID NIPPLE and NOZZLE HOLDER FROM
GUN BODY! Any malfunctions resulting by the removal of the
following parts will not be covered by the Warranty. In case of
replacement contact your Technical Service directly.
EN
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D
8 6
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