Graco Check-Mate 800 Bedienungsanleitung

334127D

Instructions-Parts

Check-Mate®800

Displacement Pump

For use with hot-melt applications. For professional use only.

5850 psi (40 MPa, 403 bar) Maximum Fluid Working Pressure

400° F (204° C) Maximum Operating Temperature

See page 2 for model information.

Important Safety Instructions

Read all warnings and instructions in this

manual and in all related manuals. Save all

instructions.

WLD

Models

2334127D

Contents

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

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

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

Component Identification . . . . . . . . . . . . . . . . . . . . 6

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Connect to a Graco Air Motor . . . . . . . . . . . . . . . 7

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

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

Pump Startup, Adjustment, and Shutdown

Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Required Tools . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Disconnect the Pump . . . . . . . . . . . . . . . . . . . . . 9

Replace the Throat Packings . . . . . . . . . . . . . . 10

Replace the Priming Piston . . . . . . . . . . . . . . . . 11

Replace the Intake Valve . . . . . . . . . . . . . . . . . . 12

Repair the Piston . . . . . . . . . . . . . . . . . . . . . . . . 14

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

5 Gallon (20 Liter) Pumps . . . . . . . . . . . . . . . . . 16

55 Gallon (200 Liter) Pumps . . . . . . . . . . . . . . . 18

Technical Specifications . . . . . . . . . . . . . . . . . . . . 20

Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 22

Models

Related Manuals

Manuals are available at www.graco.com.

Component manuals are in English.

Part No. Drum Size Seal Material

24W152 5 Gallon (20 Liter) Carbon Filled PTFE

24W153 5 Gallon (20 Liter) Glass Filled PTFE

24W150 55 Gallon (200 Liter) Carbon Filled PTFE

24W151 55 Gallon (200 Liter) Glass Filled PTFE

334128 Throat Seal Repair Kit, Instructions-Parts

334131 Bulldog®and Senator®Air Motors Tie Rod Kit, Instructions-Parts

334132 NXT®Air Motor Tie Rod Kit, Instructions-Parts

Warnings

334127D 3

Warnings

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 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

SKIN INJECTION HAZARD

High-pressure fluid from dispensing device, 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 point the dispensing device at anyone or at any part of the body.

• Do not put your hand over the fluid outlet.

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

• Follow the Pressure Relief Procedure when you stop dispensing 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.

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.

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

follow the Pressure Relief Procedure and disconnect all power sources.

Warnings

4334127D

WARNING

FIRE AND EXPLOSION HAZARD

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

vent 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.

BURN HAZARD

Equipment surfaces and fluid that is heated can become very hot during operation. To avoid severe

burns:

• Do not touch hot fluid or equipment.

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 com-

ponent. See Technical Specifications in all equipment manuals.

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

tions in all equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete infor-

mation about your material, request Safety Data Sheet (SDS) 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 manu-

facturer’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.

Warnings

334127D 5

WARNING

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 Sheet (SDS) 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.

Component Identification

6334127D

Component Identification

Key:

A Displacement Pump

B Wetcup

C Throat Packing

D Outlet Housing

E Fluid Outlet

F Bleed Valve

G Cylinder

H Intake Housing

J Intake Cylinder

K Priming Pistion

FIG. 1: Check-Mate 800 Displacement Pump Component Identification

(

()

Installation

334127D 7

Installation

Grounding

Pump: the displacement pump is grounded with a wire

connecting the pump to the control enclosure. Locate

the small hole (W) in the pump outlet housing. Attach

the ground wire (Y) to the pump outlet housing using the

ground screw (X) supplied with your system. Tighten the

ground screw securely. Do not operate the equipment

without the ground wire in place.

Air compressor: follow manufacturer’s recommenda-

tions.

Fluid supply container: follow local code.

Object being dispensed: follow local code.

Connect to a Graco Air Motor

The displacement pump may be installed on Senator,

Bulldog, King®, and NXT air motors using Tie Rod Kits.

See the following kit manuals for installation instruc-

tions.

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.

FIG. 2: Attach Grounding Wire

WLD

;

Manual Tie Rod Kit Air Motor

334131 24V752

Bulldog

Senator

King

334132 24V754 NXT

Operation

8334127D

Operation

Pressure Relief Procedure

Follow the Pressure Relief Procedure whenever

you see this symbol.

1. Lock the gun/valve trigger safety.

2. Close all air bleed valves (required in your system)

to shut off the air supply to the pump.

3. Unlock the gun/valve trigger safety.

4. Hold a metal part of the gun/valve firmly to the side

of a grounded metal pail and trigger the gun/valve to

relieve pressure.

5. Lock the gun/valve trigger safety.

6. Open the pump bleeder valve (required in your sys-

tem), having a container ready to catch the drain-

age.

7. Leave the pump bleeder valve open until you are

ready to spray/dispense again.

If you suspect that the spray tip/nozzle or hose is com-

pletely clogged, or that pressure has not been fully

relieved after following the steps above, very slowly

loosen the tip retaining nut or hose end coupling and

relieve pressure gradually, then loosen completely.

Clear the tip/nozzle or hose.

Pump Startup, Adjustment, and

Shutdown Instructions

These operations depend on the system you are using.

Refer to the instructions for your system.

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 dispensing and before

cleaning, checking, or servicing the equipment.

Heated fluid can cause severe burns and can cause

equipment surfaces to become very hot. Wear protec-

tive gloves and clothing when operating this equip-

ment in a heated system. Allow the equipment to cool

thoroughly before servicing.

Repair

334127D 9

Repair

NOTE: The numbers and letters in parentheses used in

the Repair section refer to the callouts shown in the Fig-

ures. Also see Parts, beginning on page 16.

Required Tools

• Torque wrench

• Bench vise with soft jaws

• Rubber mallet

•Hammer

• O-ring pick

• 13 mm (1/2 in.) diameter brass rod

• Set of socket wrenches

• Set of adjustable wrenches

•Pipewrench

• Screwdriver

• Heat gun

• Gloves

• Thread lubricant

• Thread sealant

Disconnect the Pump

NOTE: The priming position can be serviced without

disconnecting the displacement pump from the motor.

See Replace the Priming Piston on page 11.

1. Flush the pump, if possible. Stop the pump at the

bottom of its stroke to prevent fluid from drying on

the exposed displacement rod.

2. Relieve the pressure. See Pressure Relieve Pro-

cedure on page 8.

3. Allow the pump to cool if it is being used in a heated

system.

NOTE: It may be necessary to use a heat gun to ease

disassembly of some parts.

4. Disconnect the air and fluid hoses.

5. Disconnect the pump from the heated platen.

6. Disconnect the displacement pump from the motor

as explained in the instructions for the system you

are using.

Heated fluid can cause severe burns and can cause

equipment surfaces to become very hot. Wear protec-

tive gloves and clothing when operating this equip-

ment in a heated system. Allow the equipment to cool

thoroughly before servicing.

Repair

10 334127D

Replace the Throat Packings

The throat packings are available as pre-assembled

kits.

1. Relieve the pressure. See Pressure Relief Proce-

dure on page 8.

2. See Figure 3. Unscrew the packing nut (2) using a

pipe wrench. Remove the o-ring (27) and washer

(26) from the bottom of the packing housing (25) or

from the outlet housing (3).

3. Place the flats of the packing nut (2) in a vise.

Unscrew the packing housing (25) and discard it

and the packings.

4. Remove the washer (24), seal (23), and back up

washer (22) from the packing nut.

5. The throat repair kit is pre-assembled. Screw the kit

into the packing nut (2), making sure that the

backup washer (22), seal (23), and washer (24) are

properly positioned on top of the packing housing

(25) with the lips of the seal facing down. Torque the

packing housing (25) to 225 +/- 10 ft-lb (305 +/- 14

N•m).

6. Before installing the packing housing into the pump,

generously lubricate the seals with the high tem-

perature grease supplied with the repair kit.

7. If necessary, use an arbor press to install the o-ring

(27) in the packing housing (25).

8. Screw the packing nut (2) and packing housing (25)

into the outlet housing (3). Torque to 150 +/- 30 ft-lb

(203 +/- 41 N•m).

Pump Part No. Throat Seal Repair Kit

24W152 24V752

24W153 24V753

24W150 24V752

24W151 24V753

FIG. 3: Replace Throat Packings

WLD

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

















Torque to 225 +/- 10 ft-lbs (305 +/- 147 N•m).

Torque to 150 +/- 30 ft-lbs (203 +/- 41 N•m).

Lips of the u-cup packing must face down.

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