Graco Dura-Flo 1200 Bedienungsanleitung

308360D

Instructions

Dura-Flo®1200 Pumps

Stainless Steel

For dispensing non-corrosive and non-abrasive oils and lubricants only. For professional

use only.

237516 Pump, Series A, 21:1 Ratio,

with Bulldog®Air Motor

2100 psi (14.5 MPa, 145 bar) Maximum Fluid Working

Pressure

100 psi (0.7 MPa, 7 bar) Maximum Air Input Working

Pressure

237517 Pump, Series A, 13:1 Ratio,

with Senator®Air Motor

1300 psi (9 MPa, 90 bar) Maximum Fluid Working

Pressure

100 psi (0.7 MPa, 7 bar) Maximum Air Inlet Working

Pressure

See page 24 for model information, including maximum

working pressure and approvals.

Important Safety Instructions

Read all warnings and instructions in this

manual before using the equipment.

Save these instructions.

04140

04143

Model 237517

Model 237516

II 2 G

2 308360D

Contents

Related Manuals . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

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

Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Flush Before Using Equipment . . . . . . . . . . . . . . 6

Typical Installation . . . . . . . . . . . . . . . . . . . . . . . . 7

Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Pressure Relief Procedure. . . . . . . . . . . . . . . . . . 8

Flush the Equipment . . . . . . . . . . . . . . . . . . . . . . 8

Packing Nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Start and Adjust the Pump . . . . . . . . . . . . . . . . . . 9

Shutdown and Care for the Pump . . . . . . . . . . . 10

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Required Tools . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Disconnect the Displacement Pump. . . . . . . . . . 12

Connect the Displacement Pump . . . . . . . . . . . . 12

Disassemble the Displacement Pump . . . . . . . . 14

Assemble the Displacement Pump. . . . . . . . . . . 16

Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Packing Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Performance Charts . . . . . . . . . . . . . . . . . . . . . . . . 22

Model 237516 Bulldog Pump . . . . . . . . . . . . . . . 22

Model 237517 Senator Pump. . . . . . . . . . . . . . . 22

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Mounting Hole Layout. . . . . . . . . . . . . . . . . . . . . 23

Technical Specifications . . . . . . . . . . . . . . . . . . . . 24

California Proposition 65 . . . . . . . . . . . . . . . . . . . . 25

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 26

Related Manuals

Manual in

English Description

311827 Dura-Flo Lowers

307049 Bulldog Air Motor

307592 Senator and Quiet Senator Air Motors

Warnings

308360D 3

Warnings

The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The

exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks.

When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings.

Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this

manual where applicable.

WARNING

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

• Do not operate the unit when fatigued or under the influence of drugs or alcohol.

• Do not exceed the maximum working pressure or temperature rating of the lowest rated system

component. See Technical Specifications in all equipment manuals.

• Use fluids and solvents that are compatible with equipment wetted parts. See Technical

Specifications in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For

complete information about your material, request Safety Data Sheets (SDSs) from distributor or

retailer.

• Do not leave the work area while equipment is energized or under pressure.

• Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use.

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

manufacturer’s replacement parts only.

• Do not alter or modify equipment. Alterations or modifications may void agency approvals and create

safety hazards.

• Make sure all equipment is rated and approved for the environment in which you are using it.

• Use equipment only for its intended purpose. Call your distributor for information.

• Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.

• Do not kink or over bend hoses or use hoses to pull equipment.

• Keep children and animals away from work area.

• Comply with all applicable safety regulations.

SKIN INJECTION HAZARD

High-pressure fluid from gun, hose leaks, or ruptured components will pierce skin. This may look like

just a cut, but it is a serious injury that can result in amputation. Get immediate surgical treatment.

• Do not spray without tip guard and trigger guard installed.

• Engage trigger lock when not spraying.

• Do not point gun at anyone or at any part of the body.

• Do not put your hand over the spray tip.

• Do not stop or deflect leaks with your hand, body, glove, or rag.

• Follow the Pressure Relief Procedure when you stop spraying and before cleaning, checking, or

servicing equipment.

• Tighten all fluid connections before operating the equipment.

• Check hoses and couplings daily. Replace worn or damaged parts immediately.

Warnings

4 308360D

MOVING PARTS HAZARD

Moving parts can pinch, cut or amputate fingers and other body parts.

• Keep clear of moving parts.

• Do not operate equipment with protective guards or covers removed.

• Equipment can start without warning. Before checking, moving, or servicing equipment, follow the

Pressure Relief Procedure and disconnect all power sources.

FIRE AND EXPLOSION HAZARD

Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. Paint or

solvent flowing through the equipment can cause static sparking. To help prevent fire and explosion:

• Use equipment only in well-ventilated area.

• Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop

cloths (potential static sparking).

• Ground all equipment in the work area. See Grounding instructions.

• Never spray or flush solvent at high pressure.

• Keep work area free of debris, including solvent, rags and gasoline.

• Do not plug or unplug power cords, or turn power or light switches on or off when flammable fumes

are present.

• Use only grounded hoses.

• Hold gun firmly to side of grounded pail when triggering into pail. Do not use pail liners unless they

are anti-static or conductive.

•Stop operation immediately if static sparking occurs or you feel a shock.Do not use equipment until

you identify and correct the problem.

• Keep a working fire extinguisher in the work area.

TOXIC FLUID OR FUMES HAZARD

Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or

swallowed.

• Read Safety Data Sheets (SDSs) to know the specific hazards of the fluids you are using.

• Store hazardous fluid in approved containers, and dispose of it according to applicable guidelines.

PERSONAL PROTECTIVE EQUIPMENT

Wear appropriate protective equipment when in the work area to help prevent serious injury, including

eye injury, hearing loss, inhalation of toxic fumes, and burns. Protective equipment includes but is not

limited to:

• Protective eyewear, and hearing protection.

• Respirators, protective clothing, and gloves as recommended by the fluid and solvent manufacturer.

WARNING

Installation

308360D 5

Installation

Grounding

Pump: use ground wire and clamp (supplied). Loosen

grounding lug locknut (LL) and washer (LW). Insert one

end of a 1.5 mm2(12 ga) minimum ground wire end

(GW) into lug (LS) slot and tighten locknut securely.

Connect ground clamp to a true earth ground. Order

part 237569 ground wire and clamp.

Air and fluid hoses: use only electrically conductive

hoses. Check electrical resistance of hoses. If total

resistance to ground exceeds 29 megaohms, replace

hose immediately.

Air compressor: follow manufacturer’s

recommendations.

Spray gun: ground through connection to a properly

grounded fluid hose and pump.

Fluid supply container: follow local code.

Object being sprayed: follow local code.

Solvent pails used when flushing: follow local code.

Use only conductive metal pails, placed on a grounded

surface. Do not place the pail on a nonconductive

surface, such as paper or cardboard, which interrupts

grounding continuity.

To maintain grounding continuity when flushing or

relieving pressure: hold metal part of the spray

gun/dispense valve firmly to the side of a grounded

metal pail, then trigger the gun/valve.

Accessories

Install the following accessories in the order shown in

FIG. 1, page 7, using adapters as necessary. Contact

your Graco representative or Graco Technical

Assistance for assistance in designing a system to suit

your needs.

Air and Fluid Hoses

Be sure all air hoses (H) and fluid hoses (N and P) are

properly sized and pressure-rated for your system. Use

only electrically conductive hoses. Fluid hoses must

have spring guards on both ends. Use a whip hose (P)

and a swivel (R) between the main fluid hose (N) and

the gun (S) to allow freer gun movement

Mounting Accessories

Mount the pump (A) to suit the type of installation

planned. FIG. 1, page 7, illustrates a wall mount system.

See Dimensions and Mounting Hole Layout, page 23.

If you are using a floor stand, refer to its separate

manual for installation and operation instructions.

The equipment must be grounded to reduce the risk

of static sparking. Static sparking can cause fumes to

ignite or explode. Grounding provides an escape wire

for the electric current.

Installation

6 308360D

Air Line

•Air line lubricator (D): provides automatic air

motor lubrication.

•Bleed-type master air valve (E): required in your

system to relieve air trapped between it and the air

motor when the valve is closed.

NOTE: Be sure the valve is easily accessible from the

pump and located downstream from the air regulator.

•Air regulator (F): controls pump speed and outlet

pressure by adjusting the air pressure to the pump.

NOTE: Locate the regulator close to the pump, but

upstream from the bleed-type master air valve.

•Pump runaway valve (C): senses when the pump

is running too fast and automatically shuts off the air

to the motor. A pump which runs too fast can be

seriously damaged.

•Air manifold (G): has a 3/4 npsm(f) swivel air inlet.

It mounts to the pump support bracket, and provides

ports for connecting lines to air-powered

accessories.

•Air line filter (J): removes harmful dirt and moisture

from the compressed air supply. Also, install a drain

valve (W) at the bottom of each air line drop, to

drain off moisture.

•Second bleed-type air valve (K): isolates the air

line accessories for servicing.

NOTE: Locate upstream from all other air line

accessories.

Fluid Line

•Fluid filter (L): with a 60 mesh (250 micron)

stainless steel element to filter particles from the

fluid as it leaves the pump.

•Fluid drain valve (M): required in your system, to

relieve fluid pressure in the hose and gun.

•Gun (S): to dispense fluid.

NOTE: The gun shown in FIG. 1, page 7, is an airless

spray gun for light to medium viscosity fluids.

•Fluid line swivel (R): for easier gun movement.

•Suction kit (T): enables the pump to draw fluid from

a container.

Flush Before Using Equipment

The equipment was tested with lightweight oil, which is

left in the fluid passages to protect parts. To avoid

contaminating your fluid with oil, flush the equipment

with a compatible solvent before using the equipment.

See Flush the Equipment, page 8.

Trapped air can cause the pump to cycle

unexpectedly, which could result in serious injury from

splashing or moving parts.

NOTICE

To prevent intake valve damage, always apply PTFE

tape to the female threads of the intake valve before

connecting a suction hose or fitting to the intake.

Installation

308360D 7

Typical Installation

FIG. 1: Typical Installation

Main Air Line

Key:

A Pump

B Wall bracket

C Pump runaway valve

D Air line lubricator

E Bleed-type master air valve (required for pump)

F Pump air regulator

G Air manifold

H Electrically conductive air supply hose

J Air line filter

K Bleed-type master air valve (for accessories)

L Fluid filter

M Fluid drain valve (required)

N Electrically conductive fluid supply hose

P Fluid whip hose

R Gun swivel

S Airless spray gun

T Suction kit

Y Ground wire and clamp (required, see

Grounding, page 5, for installation instructions)

W Air line drain valve

Key:

Operation

8 308360D

Operation

Pressure Relief Procedure

Follow the Pressure Relief Procedure whenever

you see this symbol.

1. Engage trigger lock.

2. Shut off the air supply to the pump.

3. Close the bleed-type master air valve.

4. Disengage the trigger lock.

5. Hold a metal part of the gun firmly to a grounded

metal pail. Trigger the gun to relieve pressure.

6. Engage the trigger lock.

7. Open all fluid drain valves in the system, having a

waste container ready to catch drainage. Leave

drain valve(s) open until you are ready to spray

again.

8. If you suspect the spray tip or hose is clogged or

that pressure has not been fully relieved:

a. VERY SLOWLY loosen the tip guard retaining

nut or the hose end coupling to relieve pressure

gradually.

b. Loosen the nut or the coupling completely.

c. Clear the obstruction in the hose or tip.

Flush the Equipment

• Flush before fluid can dry in the equipment, at the

end of the day, before storing, and before repairing

equipment.

• Flush at the lowest pressure possible. Check

connectors for leaks and tighten as necessary.

• Flush with a fluid that is compatible with the fluid

being dispensed and the equipment wetted parts.

1. Perform Pressure Relief Procedure, page 8.

2. Remove spray tip from the gun.

3. Hold a metal part of the gun firmly to a grounded

metal pail.

4. Start the pump.

5. Trigger the gun until clean solvent dispenses.

6. Perform Pressure Relief Procedure, page 8.

This equipment stays pressurized until pressure is

manually relieved. To help prevent serious injury from

pressurized fluid, such as skin injection, splashing

fluid and moving parts, follow the Pressure Relief

Procedure when you stop spraying and before

cleaning, checking, or servicing the equipment.

To avoid fire and explosion, always ground equipment

and waste container. To avoid static sparking and

injury from splashing, always flush at the lowest

possible pressure.

Operation

308360D 9

Packing Nut

Before starting, fill the packing nut (2) 1/3 full with Graco

Throat Seal Liquid (TSLTM) or compatible solvent.

The packing nut is torqued at the factory and is ready for

operation, If it becomes loose and there is leaking from

the throat packings:

1. Perform the Pressure Relief Procedure, page 8.

2. Torque the packing nut (2) to 136-149 N•m

(100-110 ft-lb) with the supplied wrench (110).

NOTE: Do not overtighten the packing nut.

Start and Adjust the Pump

1. Connect the suction kit (T) to the pump fluid inlet.

Place the tube into the fluid supply.

2. Close the air regulator (F).

3. Open the pump bleed-type master air valve (E).

4. Hold a metal part of the gun (S) firmly to the side of

a grounded metal pail and hold the trigger open.

5. Slowly open the regulator until the pump starts.

6. Cycle the pump slowly until all air is pushed out and

the pump and hoses are fully primed.

7. Release the gun trigger, engage the trigger safety

lock. The pump should stall against pressure.

8. If the pump fails to prime properly, open the drain

valve (M). Use the drain valve as a priming valve

until the fluid flows from the valve. Close the valve.

NOTE: When changing fluid containers with the hose

and gun already primed, open the drain valve (M) to

help prime the pump and vent air before it enters the

hose. Close the drain valve when all air is eliminated.

9. With the pump and lines primed, and with adequate

air pressure and volume supplied, the pump will

start and stop as you open and close the gun. In a

04143

Model 237516

Shown

110

Torque to

136-149 N•m

(100-110 ft-lb)

NOTICE

To prevent intake valve damage, always apply PTFE

tape to the female threads of the intake valve before

connecting a suction hose or fitting to the intake.

To reduce the risk of over-pressurizing your system,

which could cause rupture and serious injury, never

exceed the specified Maximum Air Input Pressure to

the pump (see Technical Specifications, pages

24-25).

NOTICE

Do not allow the pump to run dry. It will quickly

accelerate to a high speed, causing damage. If your

pump is running too fast, stop it immediately and

check the fluid supply. If the container is empty and

air has been pumped into the lines, refill the container

and prime the pump and the lines, or flush and leave

it filled with a compatible solvent. Eliminate all air

from the fluid system.

Operation

10 308360D

circulating system, the pump will speed up or slow

down on demand, until the air supply is shut off.

10. Use the air regulator (F) to control pump speed and

fluid pressure.

Shutdown and Care for the

Pump

1. Follow the Pressure Relief Procedure, page 8.

2. Follow Flush the Equipment, page 8.

NOTICE

Always use the lowest air pressure necessary to get

the desired results. Higher pressures cause

premature tip and pump wear.

NOTICE

Always flush the pump before the fluid dries on the

displacement rod and causes damage.

NOTICE

For overnight shutdown, stop the pump at the bottom

of its stroke to prevent fluid from drying on the

exposed displacement rod and damaging the throat

packings.

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