Graco 257100 Instruction Manual

Operation

Drywall Feed Pump

- For Water-Based Materials Only -

Maximum Working Pressure 2500 psi (17.2 MPa, 172 bar)

Model: 257100

Read all warnings and instructions

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Warning

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Warning

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

tion point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back

to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where

applicable.

WARNING

FIRE AND EXPLOSION HAZARD

Flammable fumes, such as solvent, in work area can ignite or explode. To help prevent fire and explo-

sion:

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

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

• If there is static sparking or you feel a shock, stop spraying immediately. Do not use equipment

until you identify and correct the problem.

EQUIPMENT MISUSE HAZARD

Misuse can cause death or serious injury.

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

component. See Technical Data in all equipment manuals.

• Use water-based materials. Use fluids and solvents that are compatible with equipment wetted

parts. See Technical Data in all equipment manuals. Read fluid and solvent manufacturer’s warn-

ings.

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

• Do not alter or modify equipment.

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

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

• Do not use hoses to pull equipment.

• Keep children and animals away from work area.

• Comply with all applicable safety regulations.

PRESSURIZED EQUIPMENT HAZARD

Fluid from the gun/dispense valve, leaks, or ruptured components can splash in the eyes or on skin and

cause serious injury.

• Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning,

checking, or servicing equipment.

• Tighten all fluid connections before operating the equipment.

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

PERSONAL PROTECTIVE EQUIPMENT

You must wear appropriate protective equipment when operating, servicing, or when in the operating

area of the equipment to help protect you from serious injury, including eye injury, inhalation of toxic

fumes, burns, and hearing loss. This equipment includes but is not limited to:

• Protective eye wear

• Clothing and respirator as recommended by the fluid and solvent manufacturer

•Gloves

• Hearing protection

Warning

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MOVING PARTS HAZARD

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

• Keep clear of moving parts.

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

• Pressurized equipment can start without warning. Before checking, moving, or servicing equipment,

follow the Pressure Relief Procedure in this manual. Disconnect power or air supply.

WARNING

Component Identification

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Component Identification

1 Pump Module

2 Prime/Tool Fill/Recirculation Valve

3 Flow Knob

4 15/20 Amp Switch

5 ON/OFF Switch

6 Material Hoses

7Pump

8 Pump Inlet Cover

9 Hopper Plug

10 Hopper

11 Pump Connector

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Finishing Tools

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Finishing Tools

Corner Finisher

1. Press pin on top of corner finisher and install onto

valve.

2. Work from bottom to top of vertical angles and from

one end to other on ceiling angles.

3. Use drywall knife to detail corner and ceiling angle

intersections.

Flat Finishing Box

1. Install valve over two screws on box and tighten two

wing nuts.

2. Place flat box at end of joint.

3. Lead with handle and draw the tool along the joint.

4. Near middle of the joint, remove flat box from joint

surface with a sweeping motion.

5. Reverse hand positions and begin again at other

end of joint.

6. Again draw flat box along joint up to previous

stopping point and remove box from joint surface

with a sweeping motion.

7. Use drywall knife to detail seams and overlap.

Automatic Taping Tool

NOTE: Fine flow rate adjustments can be made using

buttons on valve handle.

1. Install trigger assembly and sanitary clamp.

2. Insert pin into trigger assembly.

Pressure Relief Procedure

63A0245A

3. Insert cotter pin.

4. Place one hand on control tube and one hand at

bottom of mud tub while in use.

5. Place tape at bottom of joint (slide tube forward to

feed tape).

6. Lead with head of taper to make tracking easier.

Large trigger feeds material through tool. Small

trigger retracts creasing wheel.

7. Roll tape over seam with only one wheel in contact

with wall until approximately three inches from end

of seam.

8. Stop completely and pull tube back to cut tape.

9. Use drywall knife to detail seams and overlap.

NOTE: Clean all tools thoroughly after every use. Use a

brush and water to remove all joint compound from

tools. Once tools have been cleaned, lightly oil using

any light machine oil.

Pressure Relief Procedure

1. Turn flow control knob OFF.

2. Point applicator into hopper and trigger to relieve

pressure.

3. Fluid from pressure relief valve can splash in eyes

or skin and cause serious injury. Keep hands clear

of pressure relief valve. Wear safety glasses.

Operation

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Operation

FCC Notice (FCC ID: JHICED1)

Model Number: DFS150

This device complies with Part 15 of the FCC rules.

Operation is subject to the following two conditions:

• This device may not cause harmful interference.

• This device must accept any interference that may

be received, including interference that may cause

undesired operation.

Changes or modifications not expressly approved by

Graco, Inc. could void the user's authority to operate this

equipment.

IC Notice (IC: 4840ACED1)

This product meets the applicable Industry Canada

technical specifications/Le présent materiel est con-

forme aux specifications techniques applicables

d’Industrie Canada.

Setup

1. Connect pump module to hopper and cart. Tighten

knob on front of pump module and clamp other end

to hopper.

2. Connect power cord. Turn ON/OFF to OFF.

3. Connect material hose to outlet.

NOTE: Up to 150 ft of 1/2 in. hose plus 15 ft. x 1/4

in. can be connected to the unit. If desired flow rate

is not obtainable, reduce hose length or add addi-

tional water to mud mixture.

4. Select 15A/20A setting based on your circuit rating.

5. Connect Z swivel.

6. Connect selected finishing tool to Z swivel using

supplied sanitary clamps.

“Learn” the Valve

This unit performs differently depending on which valve

is being used. Each time you change valves, perform

the following steps so the unit can “Learn” the valve.

1. Turn flow control knob down (but not OFF).

2. Push digital display button 3 times until LEARN

appears on display screen.

3. Pull trigger on valve.

4. OK should then appear on display screen (if not,

see Troubleshooting).

GROUNDING INSTRUCTIONS

This appliance is rated more than 15 A and is for use

on a circuit having a nominal rating of 120 V and is fac-

tory equipped with a specific electric cord and plug. No

adapter should be used with this appliance. If the appli-

ance must be reconnected for use on a different type of

electric circuit, the reconnection should be made by

qualified service personnel; and after the reconnection,

the appliance should comply with all local codes and

ordinances.

Consult a qualified electrician if there is any doubt as to

whether an outlet box is properly grounded.

Do NOT tamper with relief valve or devices that control

maximum pressure control during normal operation.

Bodily injury and/or damaged to equipment can occur.

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Operation

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Startup

Pump Material

1. Mix material in separate bucket. Gradually add

water and mix until desired consistency is achieved.

2. Add mixed material to hopper.

3. Place deflect er into hopper to recirculated material.

NOTE: Keep deflector shield wet once it is in use.

4. Turn sprayer power ON and flip prime valve fully

clockwise to prime pump. Place material hose and

drain line in hopper.

5. After unit is primed, place prime valve in APPLY

FINISH position.

6. Turn flow knob clockwise to increase material flow.

7. Place head of tool over waster bucket and trigger

valve until material flows from tool head. Once all

water has been flushed from hose and tool, position

tool head over hopper until flow rate is determined.

8. Apply a couple of test coats to determine proper

flow speed on sprayer. Fine adjustments can be

made on valve handle to increase or decrease flow

speed.

Fill Tools With Material

Fill Box

1. Remove tool-fill flange.

2. Install box fill adapter.

3. Place slot of box over box fill nozzle.

4. Turn Prime Valve to TOOL FILL position.

NOTICE

Do not use with quick-set materials. They can

harden inside the unit and hose.

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Operation

3A0245A 9

5. Turn flow control knob fully clockwise until box is

filled with material.

6. Turn flow control knob fully counter-clockwise.

Fill Taper

1. Install taper-fill adapter.

2. Place material inlet of taper over nozzle of taper-fill

adapter.

3. Turn Prime Valve to TOOL FILL position.

4. Turn control knob fully clockwise.

5. Place fingers inside top of taper. When you feel the

plunger rise to the top, turn flow control knob fully

counter-clockwise.

Operation

10 3A0245A

Bleed System Pressure

1. Turn flow knob to fully counterclockwise.

2. Place deflector in hopper or suitable container.

3. Place prime valve in RELIEF position.

Remove Prime Valve

1. Use 3/32 in. punch and hammer to tap out handle

pin (pliers may be required to pull out handle pin).

2. Use crescent wrench to unscrew prime valve han-

dle.

3. Clear out any material that is lodged in valve or

manifold.

Install Prime Valve

1. Tighten prime valve into manifold (use thread seal-

ant on housing threads). Torque to 190 to 210 in-lb.

2. Install prime valve base. Pin in base must align with

hole in manifold.

3. Orient .096 in. hole in drain valve stem vertically.

4. Place drain valve over drain valve base with handle

in “apply” mode.

5. Use hammer to tap drain valve handle pin back into

place.

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