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       684-001

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SAFETY WARNINGS

MOVING PARTS HAZARD

KEEP HANDS AND FINGERS AWAY FROM THE
PRIMING PISTON DURING OPERATION AND
WHENEVER THE PUMP IS CHARGED WITH AIR
to reduce the risk of injury!  On the pump
downstroke the priming piston extends beyond the
intake cylinder to pull the material into the pump.
The priming piston works under extreme force.
During operation and whenever the pump is
charged with air, the priming piston can severely
injure or amputate a hand or finger, or break a tool
caught between it and the intake cylinder.

Always follow the Pressure Relief Procedure,
below, before checking, clearing, cleaning, flushing
or servicing any part of the pump.

The air motor piston (located behind the air motor
shield) also moves when air is supplied to the
motor.  NEVER operate the pump with the air
motor shield removed.  Before servicing the pump,
follow the Pressure Relief Procedure below to
prevent the pump from starting accidentally.

EQUIPMENT MISUSE HAZARD

General Safety
Any misuse of the spray equipment or accessories,
such as overpressurizing, modifying parts, using
incompatible fluids and solvent, or using worn or
damaged parts, can cause them to rupture and
result in injection or other serious bodily injury, fire,
explosion or property damage.

NEVER alter or modify any part of this equipment;
doing so could cause it to malfunction.

CHECK all spray equipment regularly and repair or
replace worn or damaged parts immediately.

Always read and follow the fluid and solvent
manufacturers recommendations regarding the use
of protective clothing and equipment.

Always shut off the power to the pump and relieve
all air and fluid pressure in the system before
checking, adjusting or repairing the system to
reduce the risk of bodily injury, including eye injury
from the unexpected release of fluid from the
system.

System Pressure
The maximum working pressure of this pump is
600 PSI (42 bar) at a maximum incoming air
pressure of 120 PSI (8.4 bar).

Never exceed the maximum working pressure of
this pump or of the lowest rated accessory in your
system.

Pressure Relief Procedure
To reduce the risk of serious bodily injury, including
fluid injection, splashing in the eyes or on the skin,
or injury from moving parts, always follow this
procedure whenever you shut off the pump, when
checking or servicing any part of the
spray/dispensing system, when installing, cleaning
or changing spray tips/nozzles, and whenever you
stop spraying/dispensing.

1.  Engage the spray gun safety latch.

2.  Shut off the air to the pump.

3.  Close the bleed-type master air valve (required

in your system).

4.  Disengage the safety latch.

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

side of a grounded metal pail, and trigger the
spray gun to relieve pressure.

6.  Engage the spray gun safety latch.

7.  Open the drain valve and/or the pump bleeder

valve (required in your system), having a
container ready to catch the drainage.

8.  Leave the drain valve open until you are ready

to spray/dispense again.

If you suspect that the spray tip/nozzle or hose is
completely clogged, or that pressure has not been
fully relieved after following the steps above,
VERY SLOWLY loosen the retaining nut or hose
end coupling and relieve pressure gradually, then
loosen completely.  Now clear the tip/nozzle or
hose.

Summary of Contents for 5:1 Monark 952-793

Page 1: ...reduce the risk of injury keep your fingers and hands and all tools away from the priming piston during operation and whenever the air and fluid pressure in the pump is not fully relieved INDEX Warnings 2 3 Typical Installation 4 Installation 5 Operation 5 6 Service 6 7 Troubleshooting Chart 7 Displacement Pump Service 7 Parts List 8 Parts Drawings 9 Accessories 10 Dimensional Drawing 11 Technical...

Page 2: ...f protective clothing and equipment Always shut off the power to the pump and relieve all air and fluid pressure in the system before checking adjusting or repairing the system to reduce the risk of bodily injury including eye injury from the unexpected release of fluid from the system System Pressure The maximum working pressure of this pump is 600 PSI 42 bar at a maximum incoming air pressure of...

Page 3: ...your hose does not have a tag on it which specifies the electrical resistance contact the hose supplier or manufacturer for the resistance limits Use a resistance meter in the appropriate range for your hose to check the resistance If the resistance exceeds the limits replace it immediately 4 Air compressors follow the air compressor manufacturer s recommendations 5 Spray gun or dispensing valve g...

Page 4: ...xhaust Air 3 4 NPT Outlet C Air Filter Regulator D Air Line Lubricator E Air Solenoid Valve F Supply Air 3 8 NPT Inlet G Bleed Type Master Air Valve required H Fluid Flanged Outlet I Automatic Valve J Ground Wire required Not Shown See Page 3 for Grounding Instructions ...

Page 5: ...r local requirements Connect air solenoid valves E to actuating mechanism timer and set so the automatic valve J will dispense at proper intervals OPERATION NOTE If necessary flush the pump with an approved cleaning solution or disassemble and sanitize the parts before using the pump Refer to the CLEANING PROCEDURE Check local and state codes for specific limitations Adjusting the Pump Speed and P...

Page 6: ...with water Allow all the pump parts to dry Inspect all the pump parts and reclean any soiled parts Any damaged rubber parts must be replaced because they will harbor micro organisms Immerse all the pump parts and the tube of lubricant in an approved sanitizer before assembly Leave the pump parts in the sanitizer during assembly taking them out one by one as needed Lubricate the moving pump parts a...

Page 7: ...emove the air and fluid hoses from the pump Intake Valve 1 Remove retaining pin 28 from connecting rod 26 Release clamp 7 to remove foot valve cylinder 18 from pump cylinder 2 2 Slide priming piston 27 foot valve poppet 23 foot valve packing 29 poppet spring 30 bearing 10 and foot valve stop 16 off the connecting rod 26 Clean and inspect the parts 3 Release clamp 7 holding the retainer housing 22 ...

Page 8: ...g nitrile rubber 1 21 167 974 ROD connecting 1 22 167 975 HOUSING retainer 1 23 604 018 POPPET foot valve 1 24 180 018 HOUSING packing 1 25 169 845 PIN retaining piston housing 1 26 902 982 ROD connecting 1 27 604 015 PISTON priming 1 28 604 008 PIN retaining 1 29 603 778 PACKING foot valve 2 30 501 095 SPRING ball check 1 31 172 573 PLATE instruction 1 Suggested tool box spare parts Keep on hand ...

Page 9: ...684 001 9 PARTS DRAWING ...

Page 10: ...enclosure available on special order SANITARY DISPENSING VALVE 208 378 200 PSI 14 bar MAXIMUM FLUID PRESSURE 50 150 PSI 3 5 10 bar Cylinder Air Range 1 46207 ACME M Fluid Inlet 1 4 NPT F Air Inlet See instruction manual 307 054 SANITARY SPRAY VALVE 208 379 200 PSI 14 bar MAXIMUM FLUID PRESSURE 50 150 PSI 3 5 10 bar Cylinder Air Range 1 462 8 ACME Fluid Inlet 1 4 NPT F Air Inlet See instruction man...

Page 11: ...684 001 11 DIMENSIONAL DRAWING ...

Page 12: ...ials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claim If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does ...

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