Central Pneumatic 97855 Installation manual

HEAVY DUTY AIR PAINT

SPRAY GUN

97855

SET UP AND OPERATING INSTRUCTIONS

Distributed exclusively by Harbor Freight Tools®.

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our website at: http://www.harborfreight.com

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

contained herein may be reproduced in any shape or form without the express written consent of Harbor

Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing improvements,

actual product may differ slightly from the product described herein.

For technical questions or replacement parts, please call 1-800-444-3353.

SKU 97855 For technical questions, please call 1-800-444-3353. Page 2

CONTENTS

SAFETY ALERT SYMBOL AND

SIGNAL WORDS .............................3

IMPORTANT SAFETY

INSTRUCTIONS .......................... 3

GENERAL...........................................3

WORK AREA......................................3

PERSONAL SAFETY ......................... 4

TOOL USE AND CARE ......................4

SERVICE ............................................5

AIR SOURCE......................................5

SYMBOLS AND SPECIFIC

SAFETY INSTRUCTIONS ........... 5

SYMBOL DEFINITIONS ..................... 5

SPECIFIC SAFETY INSTRUCTIONS 6

FUNCTIONAL DESCRIPTION....... 7

SPECIFICATIONS ..............................7

COMPONENTS AND CONTROLS ....7

INITIAL TOOL SET UP/

ASSEMBLY.................................. 7

UNPACKING.......................................7

AIR SUPPLY.......................................7

OPERATING INSTRUCTIONS ...... 9

TOOL SET UP ....................................9

WORK PIECE AND WORK AREA

SET UP ............................................9

GENERAL OPERATING

INSTRUCTIONS ............................10

A COMPARISON:

CONVENTIONAL VERSUS

HVLP SPRAY GUNS ................. 11

PREPARATION............................ 11

USER-MAINTENANCE

INSTRUCTIONS ........................ 13

CLEANING, MAINTENANCE, AND

SERVICING....................................13

SOLVENT SELECTION ..............13

AFTER EACH USE:....................13

TROUBLESHOOTING................. 14

TROUBLESHOOTING..........................

PARTS LIST................................. 17

ASSEMBLY DIAGRAM................ 18

LIMITED 1 YEAR / 90 DAY

WARRANTY .............................. 19

SKU 97855 For technical questions, please call 1-800-444-3353. Page 3

SAVE THIS MANUAL

Keep this manual for the safety warn-

ings and precautions, assembly, operat-

ing, inspection, maintenance and cleaning

procedures. Write the product’s serial

number in the back of the manual near the

assembly diagram (or month and year of

purchase if product has no number). Keep

this manual and the receipt in a safe and

dry place for future reference.

Safety Alert Symbol and Signal

Words

In this manual, on the labeling,

and all other information provid-

ed with this product:

This is the safety alert

symbol. It is used to alert

you to potential personal

injury hazards. Obey all

safety messages that

follow this symbol to avoid

possible injury or death.

DANGER indicates

a hazardous

situation which, if not

avoided, will result in death or

serious injury.

WARNING

indicates a

hazardous situation which, if

not avoided, could result in

death or serious injury.

CAUTION, used

with the safety

alert symbol, indicates a

hazardous situation which, if

not avoided, could result in

minor or moderate injury.

NOTICE is used to

address practices

not related to personal injury.

CAUTION, without

the safety alert

symbol, is used to address

practices not related to

personal injury.

IMPORTANT SAFETY

INSTRUCTIONS

INSTRUCTIONS PERTAINING

TO A RISK OF FIRE,

ELECTRIC SHOCK, OR

INJURY TO PERSONS

WARNING – When using tools, basic pre-

cautions should always be followed,

including the following:

General

a. To reduce the risks of re and inju-

ry to persons, read all the instruc-

tions before using this tool.

b. Before using the spray gun for the

rst time, be sure to clean it out

with a solvent based thinner. The

manufacturer often uses a red oil to

test the units. This oil may contami-

nate the paint.

c. It is important to clean the spray

gun thoroughly after every use.

Work area

a. Keep the work area clean and well

lighted. Cluttered benches and dark

areas increase the risks of electric

shock, re, and injury to persons.

SKU 97855 For technical questions, please call 1-800-444-3353. Page 4

b. Do not operate the tool in explo-

sive atmospheres, such as in the

presence of ammable liquids,

gases, or dust. The tool is able to

create sparks resulting in the ignition

of the dust or fumes.

c. Keep bystanders, children, and

visitors away while operating the

tool. Distractions are able to result in

the loss of control of the tool.

Personal safety

a. Stay alert. Watch what you are do-

ing and use common sense when

operating the tool. Do not use the

tool while tired or under the inu-

ence of drugs, alcohol, or medica-

tion. A moment of inattention while

operating the tool increases the risk

of injury to persons.

b. Avoid unintentional starting. Be

sure the switch is off before con-

necting to the air supply. Do not

carry the tool with your nger on the

switch or connect the tool to the air

supply with the switch on.

c. Do not overreach. Keep proper

footing and balance at all times.

Proper footing and balance enables

better control of the tool in unexpect-

ed situations.

d. Use safety equipment. A

dust mask, non-skid safety

shoes and a hard hat must

be used for the applicable

conditions. Wear heavy-duty work

gloves during use.

e. Always wear eye protec-

tion. Wear ANSI-ap-

proved safety goggles.

Tool use and care

a. Use clamps or another practical

way to secure and support the

workpiece to a stable platform.

Holding the work by hand or against

the body is unstable and is able to

lead to loss of control.

b. Do not force the tool. Use the

correct tool for the application. The

correct tool will do the job better and

safer at the rate for which the tool is

designed.

c. Do not use the tool if the switch

does not turn the tool on or off.

Any tool that cannot be controlled

with the switch is dangerous and

must be repaired.

d. Disconnect the tool from the air

source before making any adjust-

ments, changing accessories, or

storing the tool. Such preventive

safety measures reduce the risk of

starting the tool unintentionally. Turn

off and detach the air supply, safely

discharge any residual air pressure,

and release the throttle and/or turn

the switch to its off position before

leaving the work area.

e. Store the tool when it is idle out of

reach of children and other un-

trained persons. A tool is dangerous

in the hands of untrained users.

f. Check for misalignment or bind-

ing of moving parts, breakage of

parts, and any other condition that

affects the tool’s operation. If dam-

aged, have the tool serviced before

using. Many accidents are caused

by poorly maintained tools. There is a

risk of bursting if the tool is damaged.

SKU 97855 For technical questions, please call 1-800-444-3353. Page 5

g. Use only accessories that are

identied by the manufacturer for

the specic tool model. Use of an

accessory not intended for use with

the specic tool model, increases the

risk of injury to persons.

Service

a. Tool service must be performed

only by qualied repair personnel.

b. When servicing a tool, use only

identical replacement parts. Use

only authorized parts.

c. Use only the lubricants supplied

with the tool or specied by the

manufacturer.

Air source

a. Never connect to an air

source that is capable of

exceeding 115 psi. Over

pressurizing the tool may

cause bursting, abnormal operation,

breakage of the tool or serious injury

to persons. Use only clean, dry,

regulated compressed air at the rated

pressure or within the rated pressure

range as marked on the tool. Always

verify prior to using the tool that the

air source has been adjusted to the

rated air pressure or within the rated

air-pressure range.

b. Never use oxygen, carbon dioxide,

combustible gases or any bottled

gas as an air source for the tool.

Such gases are capable of explosion

and serious injury to persons.

SAVE THESE

INSTRUCTIONS.

SYMBOLS AND

SPECIFIC SAFETY

INSTRUCTIONS

Symbol Denitions

Symbol Property or statement

noNo-load speed

.../min Revolutions or reciprocation per

minute

PSI Pounds per square inch of pressure

ft-lb Foot-pounds of torque

BPM Blows per minute

CFM Cubic Feet per Minute ow

SCFM Cubic Feet per Minute ow at

standard conditions

NPT National pipe thread, tapered

NPS National pipe thread, straight

WARNING marking concerning Risk

of Eye Injury. Wear ANSI-approved

eye protection.

WARNING marking concerning Risk

of Hearing Loss. Wear hearing

protection.

WARNING marking concerning Risk

of Respiratory Injury. Wear NIOSH-

approved dust mask/respirator.

WARNING marking concerning Risk

of Explosion.

SKU 97855 For technical questions, please call 1-800-444-3353. Page 6

Specic Safety Instructions

1. The warnings and precautions dis-

cussed in this manual cannot cover

all possible conditions and situations

that may occur. It must be under-

stood by the operator that common

sense and caution are factors which

cannot be built into this product, but

must be supplied by the operator.

2. WARNING: Some airborne dust

created by a spray gun may contain

chemicals known [to the State of

California] to cause cancer, birth de-

fects or other reproductive harm. An

example of this is:

• Lead from lead-based paints

Your risk from these exposures var-

ies, depending on how often you do

this type of work. To reduce your

exposure to these chemicals: work in

a well ventilated area, and work with

approved safety equipment, such

as those dust masks or respirators

that are specially designed to lter

out microscopic particles. (California

Health & Safety Code § 25249.5, et

seq.)

WARNING: The brass components of

this product contain lead, a chemical

known to the State of California to

cause birth defects (or other repro-

ductive harm). (California Health &

Safety code § 25249.5, et seq.)

3. Only use with accessories rated to

handle the forces exerted by this tool

during operation. Other accessories

not designed for the forces gener-

ated may break and forcefully launch

pieces.

4. Attach all accessories properly to the

tool before connecting the air sup-

ply. A loose accessory may detach or

break during operation.

5. Obey the manual for the air compres-

sor used to power this tool.

6. Install an in-line shutoff valve to allow

immediate control over the air supply

in an emergency, even if a hose is

ruptured.

SAVE THESE

INSTRUCTIONS.

SKU 97855 For technical questions, please call 1-800-444-3353. Page 7

FUNCTIONAL DESCRIPTION

Specications

Cup Capacity 1 Quart

Operating Air Pressure 60 PSI

Maximum Air Pressure 115 PSI

Air Consumption 10 SCFM @ 60 PSI

Air Inlet 1/4" -18 NPS

Nozzle Size 0.07"

Needle Size 1/8" dia.

Draw Type Siphon Feed

Spray Pattern Horizontal, vertical,

round, diagonal

Components and Controls

Fig. 1

Fluid Control

Knob (16)

Trigger (7)

Cup

Locking

Lever (32)

Air Inlet (20)

Cup Mounting

Yoke (33)

Cup (31)

Pattern Control Knob (10) Air Cap (1)

INITIAL TOOL SET UP/

ASSEMBLY

Read the ENTIRE IMPORTANT

SAFETY INFORMATION

section at the beginning of this

manual including all text under

subheadings therein before set

up or use of this product.

Note: For additional information regarding

the parts listed in the following pages,

refer to the Assembly Diagram near

the end of this manual.

Unpacking

When unpacking, check to make sure

that the item is intact and undamaged. If

any parts are missing or broken, please

call Harbor Freight Tools at the number

shown throughout the manual as soon as

possible.

• This air tool may be shipped with a

protective plug covering the air inlet.

Remove this plug before set up.

Air Supply

TO PREVENT

EXPLOSION:

Use only clean, dry, regulated,

compressed air to power this

tool. Do not use oxygen,

carbon dioxide, combustible

gases, or any other bottled

gas as a power source for this

tool.

SKU 97855 For technical questions, please call 1-800-444-3353. Page 8

Fig. 2

Incorporate a shut-off valve, regula-

tor with pressure gauge, and lter

for best service, as shown in the

diagram above. An in-line shutoff

valve is an important safety device

because it controls the air supply

even if the air hose is ruptured.

2. Attach an air hose to the compres-

sor’s air outlet. Connect the air hose

to the air inlet of the tool. Other com-

ponents, such as a connector and

quick coupler, will make operation

more efcient, but are not required.

WARNING! TO PREVENT SERIOUS

INJURY FROM ACCIDENTAL

OPERATION:

Do not install a female quick

coupler on the tool. Such a coupler

contains an air valve that will allow

the air tool to retain pressure and

operate accidentally after the air

supply is disconnected.

Note: Air ow, and therefore tool perfor-

mance, can be hindered by under-

sized air supply components.

3. The air hose must be long enough

to reach the work area with enough

extra length to allow free movement

while working.

4. Make sure the tool’s throttle or trigger

switch is in the off position; refer to

Operation section for description of

controls.

5. Close the in-line safety valve be-

tween the compressor and the tool.

6. Turn on the air compressor according

to the manufacturer’s directions and

allow it to build up pressure until it

cycles off.

7. Adjust the air compressor’s output

regulator so that the air output is

enough to properly power the tool,

but the output will not exceed the

tool’s maximum air pressure at any

time. Adjust the pressure gradually,

while checking the air output gauge

to set the correct pressure range.

8. Attach the air supply hose to the tool.

Inspect the air connections for leaks.

Repair any leaks found.

9. If the tool will not be used at this

time, turn off and detach the air sup-

ply, safely discharge any residual air

pressure, and release the throttle

and/or turn the switch to its off posi-

tion to prevent accidental operation.

Note: Residual air pressure should not be

present after the tool is disconnected

from the air supply. However, it is a

good safety measure to attempt to

discharge the tool in a safe fashion

after disconnecting to ensure that the

tool is disconnected and not under

pressure.

SKU 97855 For technical questions, please call 1-800-444-3353. Page 9

OPERATING INSTRUCTIONS

Read the ENTIRE IMPORTANT

SAFETY INFORMATION

section at the beginning of this

manual including all text under

subheadings therein before set

up or use of this product.

Inspect tool before use, looking

for damaged, loose, and

missing parts. If any problems

are found, do not use tool until

repaired.

Tool Set Up

TO PREVENT

SERIOUS INJURY

FROM ACCIDENTAL

OPERATION:

Turn off the tool, detach the

air supply, safely discharge

any residual air pressure in

the tool, and release the

throttle and/or turn the switch

to its off position before

performing any inspection,

maintenance, or cleaning

procedures.

TO PREVENT SERIOUS

INJURY:

Do not adjust or tamper with

any control or component in a

way not specically explained

within this manual. Improper

adjustment can result in

tool failure or other serious

hazards.

1. The spray gun must be cleaned with

a solvent based thinner before being

used for the rst time. If not done, the

red oil used by the manufacturer for

testing and corrosion protection may

contaminate the paint.

2. This spray gun must be thoroughly

cleaned after every use. If a solvent

based paint was used, clean with

a solvent based thinner. If a water

based latex type paint was used then

clean with water. If this is not done,

it is likely that the spray gun will stop

working properly.

3. Run the water or solvent through the

Spray Gun under pressure for sev-

eral minutes to clean out any residual

paint material.

Work Piece and Work Area Set Up

1. Designate a work area that is clean

and well-lit if possible. The work area

must not allow access by children or

pets to prevent injury and distraction.

2. Route the air hose along a safe route

to reach the work area without creat-

ing a tripping hazard or exposing the

air hose to possible damage. The air

hose must be long enough to reach

the work area with enough extra

length to allow free movement while

working.

3. Secure loose workpieces when nec-

essary using a vise or clamps (not

included) to prevent movement while

working.

4. Spraying should be done away from

objects and structures which are not

intended to be painted.

SKU 97855 For technical questions, please call 1-800-444-3353. Page 10

General Operating Instructions

1. Start the compressor, allowing it to

come up to the proper pressure for

the tool.

2. Wipe off any lubricant that may have

been applied from prior use. The

Spray Gun can now be tested.

3. Fill the Cup (31) with the appropriate

amount of paint (up to 3/4 full) of

properly prepared material (see

section on “Preparation”.

4. After the compressor cycles off at the

proper pressure level, connect the air

hose to the Air Inlet Coupling (20).

5. Attach the Cup (31) to the tool using

the Cup Mounting Yoke (33) and

secure with the Cup Locking Lever

(32).

6. If the tool requires more force to

accomplish the task, verify that the

tool receives sufcient, unobstructed

airow (CFM) and increase the

pressure (PSI) output of the regulator

up to but not beyond, the maximum

air pressure rating of this tool.

CAUTION! TO PREVENT TOOL

AND ACCESSORY FAILURE,

RESULTING IN INJURY:

Do not exceed the tool’s maximum

air pressure rating.

If the tool still does not have sufcient

force at maximum pressure but the

material being sprayed has proper

viscosity, then a larger tool may be

required.

7. To prevent accidents, turn off the

tool, detach the air supply, safely

discharge any residual air pressure in

the tool, and/or turn the switch to its

off position after use. Clean external

surfaces of the tool with clean, dry

cloth. Then store the tool indoors out

of children’s reach.

8. Change Fan Direction.

a. Loosen the Air Ring (2) and turn the

Air Cap (1) to change spray pattern

between horizontal and vertical.

9. Pattern Adjustment. (Never exceed

maximum inlet pressure of 115 PSI.)

a. To reduce air pressure when neces-

sary, adjust the air compressor’s

pressure regulator.

b. To change between patterns, adjust

the Pattern Control Knob (10). Turn

counterclockwise (all the way open),

to atten the pattern. Turn clockwise

for a round pattern.

10. For best service you should incorpo-

rate a regulator and in-line lter, as

shown in the diagram above. Hoses,

couplers, regulators, and lters are all

available at Harbor Freight Tools.

Note: Compressor pumps discharge

condensed water, oil, or other con-

taminants along with the compressed

air. Condensation causes “sh eyes”

to appear in paint patterns. To avoid

this problem, install water/oil removal

lters and controls (not included) as

close to the Spray Gun as possible.

If run through the Spray Gun, water

or oil will cause damage.

11. You will need to prepare a 1/4" air

connector (sold separately) to con-

nect to the air inlet on the Spray Gun.

First, wrap the 1/4" air connector (not

included) with pipe thread seal tape

before threading it into the Air Inlet

(20). Connect the 3/8" ID air source

hose to the Spray Gun.

12. Set the air pressure on your com-

pressor to 60 PSI. Do not exceed the

maximum operating air pressure of

115 PSI.

13. Check the air connections for leaks.

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