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
1
2
3
4
56
7
8
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10
11

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
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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
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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
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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.