Clarke AIR CTG8 Installation and operation manual

OPERATING & MAINTENANCE
INSTRUCTIONS
GC0410
AIR TEXTURE GUN
Model No CTG8
Part No 5091120

2
INTRODUCTION
Thank you for purchasing this CLARKE product.
Before attempting to operate the Air Texture Gun, it is essential that you read
this manual thoroughly and carefully follow all instructions given. In doing so
you will ensure the safety of yourself and that of others around you, and you
can also look forward to the product giving you long and satisfactory service.
GUARANTEE
This CLARKE product is guaranteed against faulty manufacture for a period of
12 months from the date of purchase. Please keep your receipt as proof of
purchase. Upon receipt, any damage or deficiency should be reported to
your CLARKE dealer immediately.
This guarantee is invalid if the product is found to have been abused or
tampered with in any way, or not used for its intended purpose. Faulty goods
should be returned to their place of purchase, no product can be returned
to us without prior permission.
This guarantee does not effect your statutory rights.
ENVIRONMENTAL PROTECTION
Do not dispose of this product with general household waste. All tools,
accessories and packaging should be sorted, taken to a recycling
centre and disposed of appropriately.
TECHNICAL SPECIFICATION
Please note that the details and specifications contained herein, are correct at the
time of going to print. However, CLARKE International reserve the right to change
specifications at any time without prior notice.
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3
GENERAL SAFETY PRECAUTIONS
FOR YOUR PERSONAL SAFETY AND THAT OF OTHERS AROUND YOU.
FOLLOW THESE SAFETY INSTRUCTIONS CAREFULLY.
NOTE : Products used in this spray gun may be covered by COSHH
Regulations.
1. ALWAYS check the manufacturers data sheets on the products being
sprayed for any particular hazards, and follow the manufacturers
instructions. Take particular care if spraying isocyanate paints.
2. ALWAYS wear a suitable approved breathing mask when spraying, to
protect against inhalation of paint spray or fumes. An air feed mask may
be required when spraying some types of paint. If in doubt, check with the
paint manufacturer.
3. ALWAYS make sure there is adequate ventilation. Do not spray in confined
or enclosed areas.
4. ALWAYS disconnect the spray gun from the air supply when it is not in use,
and before any disassembly.
5. ALWAYS keep the spray nozzle in place when spraying.
6. ALWAYS thoroughly clean the spray gun after use. See ‘Maintenance’on
page 8.
7. NEVER spray paint towards people or animals. In the case of injury, seek
expert medical advice immediately.
8. NEVER smoke while spraying or preparing solvent based paints, or spray
near a naked flame, heat source or electrical sparks. Solvent-based paints
are flammable.
9. ALWAYS store this product in a dry, secure place out of reach of children.
10. NEVER carry out any alterations or modifications to this product.
11. NEVER use this product if it is defective/operating abnormally.
12. NEVER attempt any repairs yourself. If you have a problem with this
product contact your local CLARKE dealer.
Your CLARKE product has been designed to give long and trouble free
service. If, however, having followed the instructions in this booklet carefully,
you encounter problems, take the unit to your local CLARKE dealer.
Please keep these instructions in a safe place for future reference.

4
INTRODUCTION
The CTG8 Air Texture Gun is a high capacity unit designed for large surface
coverage, handling most textured wall and ceiling finishes.
It can spray most liquid dry wall materials from joint cement, ceiling acoustics,
wall texture, splatter, semi-fog or any such material that will feed through the
hopper. Use of the 4 nozzles and 5-spray pattern orifice plate gives a total of
20 different spraying combinations.
The following items are supplied:
• 1 x Air Texture Gun
• 1 x Plastic Hopper
• 1 x 45-degree Elbow Connector
• 4 x Spraying Nozzles:- 1.5mm, 2.7mm, 3.5mm & 3.6mm
• 1 x Spare Orifice Plate Rubber Backing
• 2 x Hexagon Wrenches (2.5mm & 4mm)
• 1 x 3/8” Box Spanner
• 2 x Jubilee Clips

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PREPARATION FOR USE
WARNING: COMPRESSED AIR CAN BE DANGEROUS. ENSURE THAT YOU
ARE THOROUGHLY FAMILIAR WITH ALL PRECAUTIONS RELATING TO THE
USE OF COMPRESSORS AND COMPRESSED AIR SUPPLY.
Your air texture gun comes complete with 4 different size nozzles. The larger
the nozzle, the more compressed air is required and a minimum of 6.5 cfm will
be required from the compressor if the largest nozzle is being used.
Ensure your compressor is able to supply sufficient air pressure for the gun. The
air supply to the spray gun must be clean and dry, without any oil or water
contamination. Follow the air compressor operating guidelines to ensure that
your air supply is as clean as possible. The compressed air supply line to the
spray gun must be fitted with an oil and water filter and a suitable air pressure
regulator.
A full range of air compressors, airline hoses, filters, regulators and gaugesare
available from your Clarke dealer.
Connect the air supply to the spray gun using a suitable 1/4” BSP fitting. If an
unusually long airline is required, the line pressure may need to be increased.
Typical Airline Connection

6
OPERATION
Assemble the texture spray gun as follows. The numbers in brackets refer to
the Parts List & Parts Diagram on pages 10/11.
1. With the jubilee clip (5) around the hopper base loosened off, fit the
hopper (1) to the gun body, pushing the hopper onto body neck, (the
handle on hopper should be in line with the gun body). Tighten the clamp
sufficiently to prevent the hopper from moving.
2. When spraying upwards towards a ceiling, the 45deg elbow (6) should be
adjusted to keep the hopper in an upright position, securing it with both
the jubilee clips.
INSTALLING THE NOZZLE
1. To select a nozzle, prize off the
retaining cap (27) and choose
your nozzle from the selection
stored inside the body of the
gun.
2. Depending on the viscosity of
the material to be sprayed, fit
the appropriate nozzle, (e.g,
1.5mm and 2.7mm nozzles for
medium viscosity materials and
3.5 mm nozzle for high viscosity
materials), as follows.
3. Loosen the securing block (34),
and remove the orifice plate (31). Unscrew the nozzle (18) currently fitted
and screw the chosen nozzle onto the end of the inlet tube (30), taking
care not to lose the white rubber seal ring (42) from inside the nozzle.
Tighten the nozzle with the box spanner (28) stored inside the handle.
Replace the orifice plate and securing block.
NOTE: The largest (3.6 mm) nozzle cannot be tightened with the box spanner.
Instead, the 4mm Allen key must be used.
CONNECTING AND FILLING
1. Connect the air hose using an appropriate connector as necessary. An air
regulator can be fitted to the gun first, which can be used to control the
droplet size produced by the spray gun, turning clockwise to restrict the air
flow. (The greater the flow, the smaller the droplet).
2. Turn the air supply on and check the functionality of the gun by squeezing
the trigger before filling with paint etc.
3. Turn air off and fill hopper with material to be sprayed, (1.75 gallons max)
Always mix the paint to the correct viscosity for spraying according to the

7
manufacturer’s instructions. (DO NOT OVERFILL - the more paint the
heavier the spray gun).
4. Hold the gun approximately 12” from wall to be covered, supporting the
gun using the handle on the hopper.
5. Gently squeeze the trigger until resistance is felt whilst moving the gun
from side to side. Check the coverage and change the orifice/nozzle size
if necessary, or adjust the air flow regulator adjustment, if fitted.
6. Before using the gun, practice getting the feel of the trigger with the
chosen settings.
The trigger stop can be used in order to select the same setting for repeat
operations. Wait until the trigger is in the desired position before tightening
the wingnut (8) to limit trigger movement.
SPRAYING DIFFERENT MATERIALS
The paint flow from the gun is adjustable. This is achieved by turning the
orifice plate to a different setting and replacing the nozzle with one of a
different size as above. If a pressure regulator is used this can also be
adjusted to increase or reduce airflow, according to the material being
sprayed.
The following starting points are suggested. However, adjustment is partly trial
and error, depending on the viscosity of the material and coverage required.
Always take care that the paint material is free of lumps. Follow the
manufacturers instructions when mixing materials.
a When spraying acoustic panels,
set the orifice plate to the third
smallest size (5/16”) opening.
b When spraying sand finish with
dry-walling material, set the
orifice plate to the smallest size
(7/32”) opening.
c When spraying orange peel
texture, set the orifice plate
to the third smallest size (7/32”)
opening. Set the stop lock on
the gun, so that the spraying
nozzle is approx 1/16” from the
orifice plate. This will reduce the
amount of material flowing from the gun, causing it to leave an orange
peel texture.
d When spraying a splatter texture, use the air regulator to deliver approx 4-
6psi. Set the orifice plate to the third (5/16”) or fourth smallest size (1/4”)
opening.

8
e The air texture gun can also spray glitter if the material and gun are both
kept dry. Approx 15 psi is recommended to apply glitter to panelling and
25-30 psi to cement and stucco surfaces. The glitter should be sprayed on
while the underlying material is still tacky enough to receive it and to form
an effective bond.
MAINTENANCE
WARNING: DISCONNECT THE SPRAY GUN FROM THE AIR SUPPLY, AND
RELIEVE ANY PRESSURE IN THE GUN AND HOSE, BEFORE ANY
DISASSEMBLY.
After use, always clean the gun and hopper with clean water ready for next
use. It is essential that the spray gun is kept clean. Dried paint in the nozzle
assembly or airways will stop the gun from working correctly.
For the gun to perform at it’s best the moving parts should be lubricated
regularly using a light machine oil. Use a couple of drops of oil inside the air
inlet (35) to lubricate the inlet tube (30) and repeat this through the trigger
stop slot and with the gun upside down, pull back the trigger and apply oil to
the inlet tube.
Remove all excess oil with a clean
cloth.
When re-assembling the gun after
cleaning, adjust the trigger on the
inlet tube, so that the nozzle
protrudes 1/6” past the nose piece
when the trigger is in the fully
forward position, or it will not seat
properly. (The small hexagonal
wrench is provided for this
purpose). Check that the front of
the orifice plate bears against the
front of the gun to avoid any leaks
at this point.
If leaks are observed around the gun body, replace the gaskets shown on
pages 10 & 11. If this is not successful, use sealant between the two halves of
the gun body to prevent leakage.
CAUTION: never use silicon based lubricants as this may cause damage to the
paint finish.
Do not overtighten components, and be careful not to cross thread any parts
on re-assembly.

9
Please be aware that certain parts of this spray gun will wear, requiring
replacement and that these parts may not be covered by your guarantee.
The wear on certain parts depends on the abrasive nature of the materials
being sprayed. More abrasive materials such as latex paint (emulsions) will
cause these parts to wear much faster.
Use only Clarke replacement parts, available from your nearest Clarke
International dealer.

10
IMPORTANT: The use of parts other than genuine CLARKE replacement parts
may result in safety hazards, decreased performance, and will invalidate your
warranty.
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PARTS LIST