Graco 309455C Manual de operación

309455C

Instructions/Parts List

Test Fixture, High Voltage

Probe, and kV Meter

For Graco Pro Xp and Pro Xs Electrostatic Spray Guns, to test the electrostatic voltage of

the spray gun, as well as the condition of the turbine alternator and power supply when

disassembled from the gun. For professional use only.

See page 2 for kit part numbers and descriptions.

Important Safety Instructions

Read all warnings and instructions in this manual.

Save these instructions.

TI1877A

Part No. 245277 Shown

Models

2309455C

Contents

Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Testing the Gun While It is Operating . . . . . . . . . 4

Testing the Turbine Alternator . . . . . . . . . . . . . . 5

Testing the Power Supply Cartridge . . . . . . . . . . 8

Testing the Smart Handle's ES HI/LO Setting . 10

Low Voltage Adjustment

(For PRO Xs Smart Guns Only) . . . . . . . . . 12

Low Voltage Adjustment

(For Pro Xp Smart Guns Only) . . . . . . . . . . 13

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 20

Graco Information . . . . . . . . . . . . . . . . . . . . . . . . . 20

Models

Part No. 245277

Includes Test Fixture, High Voltage Test Probe, and kV

Meter to test the electrostatic voltage of the spray gun,

as well as the condition of the turbine alternator and

power supply when disassembled from the gun. See

page 16 for parts.

Part No. 236003

Includes High Voltage Test Probe and kV Meter to test

the electrostatic voltage of the spray gun. See page 16

for parts.

Warnings

309455C 3

Warnings

WARNING

Fire, Explosion, and Electric Shock Hazard

Equipment misuse can cause the equipment to malfunction and cause a fire, explosion, or electric

shock, resulting in death or serious injury. Improper grounding, poor air ventilation, open flames, or

sparks can cause a hazardous condition and result in a fire, explosion, or electric shock.

• This equipment is for professional use only.

• Read all manuals, tags, and labels before operating the equipment.

• Electrostatic equipment must be used only by trained, qualified personnel who understand the

requirements in this manual.

• Use the equipment only for its intended purpose. If you are uncertain, call your Graco distribu-

tor.

• Do not alter or modify equipment. Use only genuine Graco parts and accessories.

• Check the equipment daily. Repair or replace worn or damaged parts immediately.

• Only use the probe to test direct negative current (DC) electrostatic voltage.

• Only use this equipment to test Graco Pro Xs Electrostatic Gun Models. Never use it to test

“stiff” or “hot” systems.

• Always ground the fixture, probe, and kV meter as described in this manual.

• Ground or remove all metal and conductive objects, including tools, from the test area.

• Never touch the probe above its handle while testing.

• Never use the fixture to test the gun turbine alternator or power supply in a hazardous location.

• Never test the power supply without the probe shroud installed.

Operation

4309455C

Operation

Testing the Gun While It is

Operating

NOTE: The maximum voltage read by the kV meter and

probe may be less than the rated voltage of the gun or

power supply that you are testing. This is due to voltage

losses that are intrinsic to the measurement of high volt-

age in air. These losses include current draw through

the probe and meter and also the inability to capture

100% of the electrons being emitted by the gun elec-

trode.

1. Connect the probe’s red wire (D) to the kV meter (2)

and its green/yellow ground wire (C) to a true earth

ground (B). See FIG. 1.

2. Connect the kV meter’s green/yellow ground wire

(6) between the kV meter (2) ground connection and

a true earth ground (B).

3. Holding onto the probe (3) handle, touch the end of

the probe to the spray gun electrode (A). Move the

end of the probe slightly until the maximum kV read-

ing is obtained.

4. Read the voltage on the kV meter (2). Refer to

Table 1 for your gun model.

NOTE: When the kV meter (2) is not in use, place a

jumper wire across the kV meter connectors to prevent

excessive needle movement.

Fig. 1. Testing the Gun While It is Operating

WARNING

Pressurized Equipment Hazard

Before testing the gun, follow the Pressure

Relief Procedure in your gun manual to

reduce the risk of fluid injection or splashing

of fluid in the eyes or on the skin.

Table 1: Typical Gun Voltage Readings in Air

Gun Model Voltage

(kVdc)

Pro Xs2 15-25

Pro Xp 40 35-45

Pro Xs3 and

Pro Xp 60 55-65

Pro Xs4 and

Pro Xp 85 75-85

TI1878A

Operation

309455C 5

Testing the Turbine Alternator

1. Remove the turbine alternator from the power sup-

ply as instructed in the spray gun manual. Bring the

equipment to a non-hazardous location to do the

testing.

2. Visually inspect the turbine alternator (L). See FIG.

2. If any of the holes (R) are plugged, unplug them.

If excess wear appears on the alternator bearings or

shaft, replace or rebuild the alternator. See Acces-

sories to order a Turbine Alternator Repair Kit.

Fig. 2. Turbine Alternator

3. Place the 3-pin connector (J) through the side win-

dow (M) and connect it to the turbine alternator con-

nector (K). The orientation of the 3-pin connector

does not affect the test. See FIG. 3.

4. Lubricate the alternator o-ring with non-silicone

grease, Part No. 111265. Do not over-lubricate.

NOTE: For Pro Xp alternators, insert the spacer

(22) into the fixture (H) before inserting the alterna-

tor (L).

5. Place the turbine alternator (L) inside the fixture (H),

with the slot (G) facing the side window (M). Use the

alignment tool (21) to push the alternator into the

housing cavity. Tighten the top locking screw (8)

until the screw extends past the alternator tab.

6. Connect the probe shroud (16) to the fixture (H) with

the screw (17).

WARNING

Sound Hazard

To reduce the risk of hearing loss or damage, always

wear hearing protection when operating the turbine

alternator.

CAUTION

To avoid demagnetization of the alternator, never

place it close to another alternator or any other ferro-

magnetic objects.

WARNING

Fire, Explosion, and Electric Shock Hazard

To reduce the risk of fire, explosion, or elec-

tric shock, which can result in serious injury

and property damage, never use the Graco

Pro Xs and Pro Xp Test Fixture to test the

gun turbine alternator or power supply in a

hazardous location.

TI1887A

Operation

6309455C

Fig. 3. Install Turbine Alternator in Fixture

TI1879B

JKM

For Pro Xs Guns

For Pro Xp Guns

TI1879C

Spacer (22) is for use with Pro Xp alternators only.

Operation

309455C 7

7. Connect the fixture’s grounding clamp (12) to a true

earth ground (B). See FIG. 4.

8. Connect an air line (E) to the fixture. Set the air

pressure to 26 psi (1.8 bar, 0.18 MPa).

9. Measure the turbine alternator AC voltage output

with a voltmeter (N), measuring across the fixture

terminals (9) as shown in FIG. 4.

NOTE: To measure frequency and voltage, you

need a multimeter. See Accessories.

The turbine alternator voltage should read in the

range shown in Table 2 . If the readings vary from

these values, replace the alternator or rebuild it. See

Accessories to order an Alternator Repair Kit.

10. Remove the probe shroud (16).

11. Disconnect the 3-pin connector (J) and loosen the

locking screw (8). Use the plunger (F)on the back of

the fixture to push out the turbine alternator.

12. Test the alternator coil by measuring the resistance

between the two outer terminals of the 3-pin con-

nector (K) with a multimeter. The resistance should

be 2.5-3.5 ohms.

Measure the resistance between each outer termi-

nal of the 3-pin connector and the exterior of the tur-

bine alternator (L). The resistance should be greater

than 400 ohms.

If the readings vary from these values, replace the

alternator coil.

Fig. 4. Testing the Turbine Alternator

Table 2: Turbine Alternator Voltage

Gun Model Frequency (Hz) Voltage (V)

All Pro Xs Models 625 Hz maximum 6.4 V minimum

All Pro Xp Models 575 Hz maximum 6.4 V minimum

TI1880A

TI1886A

Back View of Test Fixture

Ground clamp (12)

wire connection to test

fixture

B12

Operation

8309455C

Testing the Power Supply

Cartridge

NOTE: You do not use the fixture's 3-pin connector (J)

to test the power supply cartridge.

1. Remove the power supply cartridge from the gun as

instructed in your spray gun manual and bring the

equipment to a non-hazardous location to do the

testing.

2. Lubricate the alternator o-ring with non-silicone

grease, Part No. 111265. Do not over-lubricate.

3. Install the power supply cartridge (P) into the fixture

(H), orientated as shown in FIG. 5. Note that for Pro

Xp guns, the cartridge must be rotated 15 degrees.

Push the cartridge into the fixture until the alternator

bottoms out in the cavity. Tighten the screw (8) until

snug. Do not overtighten.

4. Secure the shroud (16) to the fixture (H) with the

screw (17).

5. Lubricate the probe o-ring (5) to ease insertion into

the shroud.

6. Insert the probe (3) into the shroud (16) and touch

its tip to the end of the power supply.

7. Connect the probe's red wire (D) to the kV meter

and its green/yellow ground wire (C) to a true earth

ground (B). See FIG. 6.

8. Connect the kV meter's green/yellow ground wire

(6) between the kV meter and a true earth ground.

9. Connect the fixture's grounding clamp (12) to a true

earth ground.

10. Connect an air line (E) to the fixture. Set the air

pressure to 30 psi (0.21 MPa, 2.1 bar).

11. Read the power supply cartridge voltage output with

the kV meter. See Table 3 for typical readings.

WARNING

Fire, Explosion, and Electric Shock Hazard

To reduce the risk of fire, explosion, or elec-

tric shock, which can result in serious injury

and property damage:

•Never use the Graco Pro Xs Test Fixture to

test the gun turbine alternator or power

supply in a hazardous location.

•Never test the power supply without the

shroud (16) installed.

Table 3: Typical Power Supply Voltage Readings

with Test Fixture

Gun Model Voltage

(kVdc)

Pro Xs2 15-25

Pro Xp 40 35-45

Pro Xs3 and

Pro Xp 60 55-65

Pro Xs4 and

Pro Xp 85 75-85

Operation

309455C 9

Fig. 5. Install Power Supply in Fixture

Fig. 6. Testing the Power Supply

TI1881A

17 16

For Pro Xp Guns For Pro Xs Guns

TI1882A

TI1886A

Back View of Test Fixture

Ground clamp (12)

wire connection to

test fixture

Operation

10 309455C

Testing the Smart Handle's ES

HI/LO Setting

NOTE: To test a Pro Xp gun smart handle, drill out the

gun air valve shaft hole (H) to 1/4 in. diameter. See

Detail A of FIG. 7.

1. Use the ES HI/LO switch on the back of the gun to

change the power supply output to either high volt-

age or low voltage setting. See Detail A of FIG. 7.

2. Connect the flexible circuit test adapter (20) to the

flex circuit (S) on the power supply cartridge (P).

Thread the connected circuits through the side win-

dow (M) of the fixture and connect to the smart han-

dle.

NOTE: To ensure the correct pin connections, make

sure there are no twists in the flexible cables.

3. Mount the smart handle (T) loosely to the fixture.

See Detail B.

4. Tighten the smart handle screws (U) to the fixture.

See Detail C.

Fig. 7. Testing the Smart Handle

TI1883A

TI1885A

TI1883A

Detail A: Connect the flexible circuit adapter.

Detail B: Install the smart handle loosely. Detail C: Tighten the smart handle to the fixture.

ES HI/LO Switch

20 M

To test a Pro Xp gun smart handle,

drill out the gun air valve shaft hole

(H) to 1/4 in. diameter.

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