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Repair

3A4131H

15

Replacing the Inlet Valve

1.

Follow the 

Pressure Relief Procedure

, page 9.

2.

Flush the Equipment

, page 9.

3.

Disconnect the power (B).

4.

Remove the inlet valve (102) from the from the fluid 
end (109). 

5.

Remove the o-ring from the inlet port of the fluid 
end (109).

6.

Reattach the inlet valve (102) to the fluid end (109).

7.

Reconnect the power (B).

8.

Prime the Pump

, page 9.

Replacing the Outlet Valve

1.

Follow the 

Pressure Relief Procedure

, page 9.

2.

Flush the Equipment

, page 9.

3.

Disconnect the power (B).

4.

Remove the outlet valve (103) from the from the 
fluid end (109). 

5.

Remove the o-ring from the outlet port of the fluid 
end (109).

6.

Reattach the outlet valve (103) to the fluid 
end (109).

7.

Reconnect the power (B).

8.

Prime the Pump

, page 9.

Replacing the Valve Ball Check Cartridge

The following procedure is the same for all plastic valve 
assemblies: inlet (102), outlet (103), foot (111), injection 
(112), and three-function (113). See the 

Model A21008 

(Plastic Fluid End) shown

 parts diagram on page 18. 

Follow the Pressure Relief Procedure, page 9.

 is 

explained on page 15.

The part of the valve that holds the ball check cartridge 
is interchangeable among each of the valve assemblies. 
The ball check cartridge is in the end away from any 
connected tubing. See F

IG

. 6.

1.

Follow the 

Pressure Relief Procedure

, page 9.

2.

Flush the Equipment

, page 9.

3.

Disconnect the power (B).

4.

Disconnect the valve at the end away from the tub-
ing. Verify that the ball check o-ring is still attached 
to, or came out with, the ball check cartridge (114).

5.

Use a hooked tool to pull out the ball check 
cartridge (114). Verify that the second o-ring is not 
left in the valve.

6.

Discard the ball check cartridge (114) and o-rings.

7.

Attach new o-rings to both ends of the new ball 
check cartridge (114).

F

IG

. 6: Location of Valve Ball Check Cartridge

Ball check cartridge in this end of valve

3/8 in.

1/4 in.

Содержание Mongoose Series

Страница 1: ...cting chemicals at well sites For professional use only Not approved for use in explosive atmospheres or hazardous locations See page 2 for model information including maximum working pressures Important Safety Instructions Read all warnings and instructions in this manual Save all instructions ...

Страница 2: ...se Metering Pump 17 Kits and Accessories 19 Dimensions 20 Technical Data 21 Graco Standard Warranty 22 Models and Approvals Models Voltage Fluid Section Material Flow GPD Maximum Working Pressure psi MPa bar Approvals A21000 120 VAC 316 SST 17 250 1 72 17 2 A21001 120 VAC 316 SST 17 250 1 72 17 2 A21004 230 VAC 316 SST 17 250 1 72 17 2 A21008 120 VAC PVDF 17 250 1 72 17 2 A21009 120 VAC PVDF 15 15...

Страница 3: ...iately 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 ELECTRIC SHOCK HAZARD This equipment must be grounded Improper grounding setup or usage of the system can cause elec tric shock Turn off and disconnect power cord before servicing equipment Connect to grounded outlet protected by Cla...

Страница 4: ...ed parts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings For complete information about your material request Safety Data Sheet SDS from distributor or retailer Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use Check equipment regularly Repair or replace worn or damaged parts immediately with genuine man ufacture...

Страница 5: ...eads on NPT fittings Plastic Fluid Section Models Inlet and outlet valves use 3 8 in or 1 4 in tubing con nectors and 3 8 in or 1 4 in tubing See FIG 1 NOTE The prime bleed valve on the plastic fluid section includes a 1 16 in clear poly tubing This tubing is to be used only with the prime bleed valve and is not intended for pressurized use Do not use with the inlet and outlet valves Tighten conne...

Страница 6: ...ration Clear tubing White tubing White tubing 1 Motor Assembly 2 Inlet Valve stainless steel fluid end 3 Outlet Valve stainless steel fluid end 4 Prime Bleed Valve stainless steel fluid end not available on A21001 9 Stainless Steel Fluid End 11 Elbow Fitting stainless steel only not supplied with A21001 102 Inlet Valve Assembly plastic fluid end includes white tub ing 103 Outlet Valve Assembly pla...

Страница 7: ...is valve must be mounted within 45 of vertical see FIG 3 1 Install the 1 2 in NPT end into the piping system Apply PTFE tape to this end only 2 Connect the outlet fluid line E from the Mongoose pump to the to the other end of the injection check valve Three Function Valve Injection Assembly Plastic Fluid Section only Optional The optional three function valve injection assembly provides three func...

Страница 8: ...hed power cord B are the only components in FIG 4 supplied by Graco All other components are supplied by customer Key B Power Cord C Shutoff Valve Inlet Outlet D Inlet Fluid Line E Outlet Fluid Line F Mongoose Pump G Chemical Supply Container H Foot Valve FIG 4 Typical Installation C E B F C D G C Flooded Suction Installation Suction Lift Installation G H D E F No more than 5 ft from pump to botto...

Страница 9: ...flushing fluid 5 Follow the Pressure Relief Procedure Prime the Pump 1 Connect power B to the pump 2 Set the STROKE knob J to 100 See FIG 5 on page 10 3 Set the SPEED knob H to maximum cycles per second While pump is operating if fluid begins moving no fur ther priming is required If fluid is not moving open prime bleed valve 4 or 104 approximately one turn until fluid begins to move When the inle...

Страница 10: ...nd speed setting of 125 cycles per minute cpm will pump 0 000167 gallons per stroke gps 30 gpd 1440 min day 0 0208 gpm 125 spm 0 000167 gal stroke With this value and the pump s speed setting cycles per minute you can calculate your pump s output at it s rated pressure A 30 gpd pump set at 50 cycles per minute 50 cpm x 000167 gps x 1440 min day 12 02 gpd Reducing the stroke length will reduce the ...

Страница 11: ...ll suck air and fail to prime Split or pinch in inlet tube Inspect inlet tube through its full length to assure there are no splits at the connections or other restrictions Move objects or equipment which impinges upon the inlet tube or reroute as required to assure a smooth transition from foot valve to pump Low chemical level Check fluid level in chemical supply tank Insufficient fluid Stroke ad...

Страница 12: ...m rated parame ters of the pressure Diaphragm improperly installed Ensure the diaphragm is screwed fully onto shaft Check valves worn or clogged Clean or replace as required Pump will not run Pump not turned on or plugged in Check outlet with meter to assure that correct voltage is present and that power supply cord is in good condition and plugged in Blown fuse Replace fuse with like kind Excessi...

Страница 13: ...en the screws evenly 12 Reconnect the outlet fluid line E 13 Reconnect power B 14 Prime the Pump page 9 NOTE Tighten fluid end screws 10 after the pump s initial week of operation Replacing the Inlet Valve 1 Follow the Pressure Relief Procedure page 9 2 Flush the Equipment page 9 3 Disconnect the power B 4 Close the inlet shutoff valve C 5 Disconnect the shutoff valve C from the inlet valve 2 or e...

Страница 14: ...FE tape on the threads of the prime bleed valve 4 7 Reattach the prime bleed valve 4 to the fluid end 9 8 Reconnect the power B 9 Prime the Pump page 9 Plastic Fluid End Repairs NOTE The following procedures apply only to models with plastic fluid ends A21008 A21009 A21010 A21011 A21012 A21013 A21014 A21015 Replacing the Diaphragm 1 Follow the Pressure Relief Procedure page 9 2 Flush the Equipment...

Страница 15: ...c valve assemblies inlet 102 outlet 103 foot 111 injection 112 and three function 113 See the Model A21008 Plastic Fluid End shown parts diagram on page 18 Follow the Pressure Relief Procedure page 9 is explained on page 15 The part of the valve that holds the ball check cartridge is interchangeable among each of the valve assemblies The ball check cartridge is in the end away from any connected t...

Страница 16: ...e fluid end 109 10 Align the priming hole on the side of the ball check cartridge 115 with the prime bleed valve 104 before inserting the cartridge 115 into the outlet port of the fluid end 109 11 Reconnect the outlet valve 103 to the outlet port on the fluid end 109 12 Reconnect the power B 13 Prime the Pump page 9 Replacing the Prime Bleed Valve 1 Follow the Pressure Relief Procedure page 9 2 Fl...

Страница 17: ...A21001 Not provided with A21001 2 1 3 4 7 5 8 9 10 1 1 Apply PTFE tape to threads 1 11 6 opposite ref 5 Ref Part Description Qty 1 Motor assembly 1 2 B32279 Inlet check valve 1 3 B32280 Outlet check valve 1 4 B32191 Prime bleed valve 1 5 Branding label 1 6 17M292 Warning label 1 7 B32281 Diaphragm 75 110 psi 1 B32282 Diaphragm 150 250 psi 1 8 Support ring 1 9 Fluid end 1 10 Fluid end screws 4 11 1...

Страница 18: ...A4131H Model A21008 Plastic Fluid End shown 1 103 104 7 5 8 109 110 1 6 opposite ref 5 102 112 114 115 114 114 111 Apply PTFE tape only to threads on the end of the injection valve assembly 1 Weight Priming Hole ...

Страница 19: ... Outlet check valve assembly 3 8 in includes tubing 1 B32293 Outlet check valve assembly 1 4 in includes tubing 1 104 B32296 Prime bleed valve assembly includes clear poly tubing 1 109 Fluid end 1 110 Fluid end screws 4 111 B32288 Foot valve assembly 3 8 in 1 B32289 Foot valve assembly 1 4 in 1 112 B32286 Injection valve assembly 3 8 in 1 B32287 Injection valve assembly 1 4 in 1 113 B32294 Three f...

Страница 20: ...Dimensions 20 3A4131H Dimensions FIG 7 Mongoose Pump Dimensions A B C D 10 6 in 26 9 cm 7 5 in 19 0 cm 5 0 in 12 7 cm 4 13 in 10 5 cm ...

Страница 21: ...250 VAC recommended Rated Amperage 35 A Fuse Fast Blow 3A Barrel Style 314 Environmental temperature range 40 120 F 40 50 C Inlet Outlet Sizes Stainless Steel Fluid Section Fluid inlet outlet size A21000 A21001 A21004 A21016 1 4 in NPT Prime bleed size 1 16 in NPT Plastic Fluid Section Fluid inlet outlet size A21008 A21012 1 4 in tubing Fluid inlet outlet size A21009 A21010 A21011 A21013 A21014 A2...

Страница 22: ...material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warran...

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