PENTAIR 9910-DP423 Medium Pressure Polypropylene Headed Diaphragm Pumps Instruction Manual

9910-DP423 Medium Pressure Polypropylene Headed Diaphragm Pumps

Product Information

The Medium Pressure Polypropylene-Headed Diaphragm Pumps are designed for efficient pumping of fluids. These pumps feature valves of Kynar and 304 stainless steel construction for excellent wear life and independence modular inlet and outlet manifolds for easy maintenance. They can be adapted for 1-3/8 6 splined shaft, 1 solid shaft, or gear reduction drive options. The pumps come in three models: Model 9910-DP423, Model 9910-DP573, and Model 9910-DP763, with varying maximum flow rates, maximum pressures, and maximum speeds. These pumps are designed to handle hazardous chemicals, and a written notice must be included certifying that the chemicals have been handled safely before shipping.

Product Usage Instructions

When installing these pumps, it is important to use only pipe, fittings, accessories, hose, etc. rated for the maximum pressure rating of the pump. Always mount the pump with the oil sight tube in an upright position. The proper selection of hose type and size is vital to optimal performance. Use good quality inlet hose, compatible with the fluids being pumped, and with good elasticity to reduce inlet water hammer or pulsation. Be sure that the hose is not too rigid but capable of operating at low vacuums without collapsing. The diameter of the inlet hose should be at least that of the pump inlet port size and preferably one size larger if the inlet line is longer than 6 feet [1.8 meters]. Use only approved high-pressure hose on the discharge side of the pump. Most ports are provided with hose barb connections. Use good quality hose clamps and tighten them securely.

Additionally, when using the Gear Reduction Kit 9910-KIT31086, Hypro recommends a blue thread locking compound on all threaded fasteners that do not require lock washers. The shaft key needs to be inspected occasionally and replaced if worn. The 9910-KIT31086 gear reducer is designed for direct mounting of the 9910-DP423, 9910-DP523 & 9910-DP763 diaphragm pump onto a 5 hp gasoline engine with a flange mounting and 3/4 solid shaft. Lubricate the gasket (Ref. 1) in the pump adapter flange (Ref. 3). Slip the flange over the machined surface of the engine and bolt it securely to the engine flange with lock washers and nuts. Install the gear reducer onto the pump using the bolts provided.

Finally, it is important to note the various hazards and safety precautions associated with using these pumps, as outlined in the user manual. Notes are used to notify of installation, operation, or maintenance information that is important but not safety-related. Caution is used to indicate the presence of a hazard, which will or can cause minor injury or property damage if the notice is ignored. Warning denotes that a potential hazard exists and indicates procedures that must be followed exactly to either eliminate or reduce the hazard, and to avoid serious personal injury or prevent future safety problems with the product. Danger is used to indicate the presence of a hazard that will result in severe personal injury, death, or property damage if the notice is ignored.

Description

Hypro polypropylene-headed diaphragm pumps are recommended for spraying herbicides, pesticides, liquid fertilizers, and many other hard-to-handle fluids. The specially designed inlet manifolds, outlet manifolds, and heads are all polypropylene construction for the maximum in chemical resistance. Low-cost maintenance and almost wear-free operation make these pumps ideal for a wide variety of spraying jobs. Pressure and output are designed for optimum performance of small to medium sized sprayers.

These pumps feature valves of Kynar and 304 stainless steel construction for excellent wear life and independence modular inlet and outlet manifolds for easy maintenance. Hypro polypropylene-headed diaphragm pumps can be adapted for 1-3/8” 6 splined shaft, 1” solid shaft, or gear reduction drive options.

Model: 9910-DP423
Model: 9910-DP423GRGI Max flow: 11 gpm
Max pressure: 290 psi (20 bar) Max speed: 550 rpm (D423) 3600 rpm (D423GRGI)
3 diaphragms

Model: 9910-DP573
Model: 9910-DP573GRGI Max flow: 15 GPM
Max pressure: 290 psi (20 bar) Max speed: 550 rpm (DP573) 3 diaphragm

Model: 9910-DP763
Model: 9910-DP763GRGI Max flow: 20 GPM
Max pressure: 290 psi (20 bar) Max speed: 550 rpm (DP573) 3 diaphragm

General Safety Information

Note: Notes are used to notify of installation, operation, or maintenance information that is important but not safety related.

Caution: Caution is used to indicate the presence of a hazard, which will or can cause minor injury or property damage if the notice is ignored.

Warning : Warning denotes that a potential hazard exists and indicates procedures that must be followed exactly to either eliminate or reduce the hazard, and to avoid serious personal injury, or prevent future safety problems with the product.

Danger: Danger is used to indicate the presence of a hazard that will result in severe personal injury, death, or property damage if the notice is ignored.

Danger

• Do not pump flammable or explosive fluids such as gasoline, fuel oil, kerosene, etc. Do not use in explosive atmospheres. Do not pump asphalt sealer, roofing compounds, concrete sealers, or any two-step curing products. The pump should only be used with liquids compatible with the pump materials. Failure to follow this notice can result in severe personal injury and/or property damage and will void the product warranty.
• Never use your hand to check the condition of hydraulic lines or hoses. If hydraulic fluid penetrates the skin, get medical attention immediately. Failure to get proper medical attention may result in loss of limb or life. The safest way to check hydraulic lines is by holding a piece of cardboard next to the hydraulic line or hose.

Warning

• The sound pressure level of the pump may exceed 80dBA. Observe all safety precautions when operating the pump within close proximity for extended periods by wearing hearing protectors. Extended exposure to elevated sound levels will result in permanent loss of hearing acuteness, tinnitus, tiredness, stress, and other effects such as loss of balance and awareness.
• Verify that pump shaft rotates freely prior to engaging the pump drive.

Caution

• Do not pump at pressures higher than the maximum recommended pressure.
• Operate the pump between a temperature range of 45° to 140° F [7° to 60° C].
• Make certain that the power source conforms to the requirements of your equipment.
• Provide adequate protection in guarding around the moving parts such as shafts and pulleys.
• Disconnect the power before servicing.
• Release all pressure within the system before servicing any component.
• Drain all liquids from the system before servicing.
• Secure the discharge line before starting the pump. An unsecured discharge line may whip, resulting in personal injury and/or property damage.
• Check all hoses for weak or worn condition before each use. Make certain that all connections are tight and secure.
• Periodically inspect the pump and the system components. Perform routine maintenance as required (see maintenance).
• When wiring an electrically driven pump, follow all electrical and safety codes, as well as the most recent National Electrical Code (NEC) and the Occupational Safety and Health Act (OSHA) requirements.
• Use only pipe, hose, and hose fittings rated for maximum rated pressure of the pump or the pressure at which the pressure relief valve is set at. Do not use used pipe.
• Do not use these pumps for pumping water or other liquids for human or animal consumption.
• Do not pressure feed pump inlet.

Hazardous Substance Alert
Caution

• Always drain and flush pump before servicing or disassembling for any reason (see instructions).
• Always drain and flush pumps prior to returning unit for repair.
• Never store pumps containing hazardous chemicals.
• Before returning pump for service/repair, drain out all liquids and flush unit with neutralizing liquid. Then, drain the pump. Attach tag or include written notice certifying that this has been done. Please note that it is illegal to ship or transport any hazardous chemicals without United States Environmental Protection Agency Licensing.

Installation

Pump Plumbing
Note: Use only pipe, fittings, accessories, hose, etc. rated for the maximum pressure rating of the pump.

1. Always mount pump with oil sight tube in upright position
   (See Figure A).

2. The proper selection of hose type and size is vital to optimal performance.

   • Use good quality inlet hose, compatible with the fluids being pumped and with good elasticity to reduce inlet water hammer or pulsation. Be sure that hose is not too rigid but capable of operating at low vacuums without collapsing. The diameter of the inlet hose should be at least that of the pump inlet port size and preferably one size larger if the inlet line is longer than 6 feet [1.8 meters].
   • Use only approved high pressure hose on the discharge side of pump.

3. Most ports are provided with hose barb connections. Use good quality hose clamps and tighten them securely.

Diaphragm Pump Connection

Installation Instructions for Gear Reduction Kit 9910-KIT31086

Note
Hypro recommends a blue thread locking compound on all threaded fasteners that do not require lock washers. Shaft key needs to be inspected occasionally and replaced if worn.
The 9910-KIT31086 gear reducer is designed for direct mounting the 9910-DP423, 9910-DP523 & 9910-DP763 diaphragm pump onto a 5 hp gasoline engine with a flange mounting and 3/4” solid shaft.

1. Lubricate the gasket (Ref. 1) in the pump adapter flange (Ref. 3). Slip the flange over the machined surface of the casting, shaft end of pump. Install (4) mounting bolts (Ref. 4) through the adapter flange into the pump body.
2. Install the shaft hub (Ref. 6) on the pump shaft, after inserting the key (Ref. 5). Secure the hub by threading the retaining bolt (Ref. 15) through the retaining washer (Ref. 7) into the pump shaft.
3. Install the pump gear (Ref. 8) with the pilot diameter of the gear inserted into the inner diameter of the pump shaft. Secure firmly onto the shaft using M10 x 25 socket head cap screws (Ref. 10) and lock washers (Ref. 14).
4. Align the holes in the pump adapter flange (Ref. 3) with threaded holes in the pump body. Lubricate the gasket (Ref.

9. and place it in position on the gearbox body (Ref. 13). Install the gearbox body (Ref. 13) on the pump adapter flange (Ref. 3) and secure firmly with M10 x 75 socket head cap screws (Ref. 4). Install the M8 x 20 socket head cap screw (Ref. 2) and tighten securely.

5. Insert the long key (Ref. 21) into the engine shaft keyway. Align the keyway in the gear reducer input shaft (Ref. 20) and slide the pump and gear reducer onto the engine shaft.

6. Align the holes in the gearbox body (Ref. 13) with threaded holes in engine boss. Insert 5/16”x1”-24 socket head cap screws through the gearbox body (Ref. 13) and thread them into the threaded holes in the engine boss. Securely tighten with the hex wrench provided.

7. The vent plug (Ref. 18) must always be installed or reinstalled in the uppermost threaded hole of the gearbox body
   (Ref. 13). Plugs (Ref. 11) and vent plug (Ref. 18) are interchangeable for gear reducer mounting convenience.

8. Fill the gear case with 90W gear lube. To properly fill, first tighten the bottom plug (Ref. 11); then remove one side plug (Ref. 11) and the vent plug (Ref. 18). Fill until the gear lube is no higher than the mark on the dipstick.

9. Replace and tighten the side plug and the vent plug.

10. Please apply anti-seize to the motor shaft prior to installing the gearbox.

Control Unit 9910-GS25
The 9910-GS25 control unit is designed for convenient control of pressures up to 290 psi and flows up to 12 gpm. It consists of an adjustable pressure relief valve, a manual pressure release lever, and two individual ball valve- controlled 1/2” hose barb outlets. It can be direct mounted onto the 9910-DP423 discharge manifold.

Note
Hypro recommends a blue thread locking compound on all threaded fasteners that do not require lock washers.

1. Locate the discharge manifold on the 9910-DP423, 9910-DP573 & 9910-DP763 (Ref. 68). With o-rings (Ref. 53) lubricated and in position on control valve body (Ref. 52), plug into discharge manifold. Lock into place with retainer clip (Ref. 60).
2. Connect bypass hose to elbow (Ref. 45) and run unrestricted to supply tank.
3. Connect the desired number of high pressure hoses to the outlet hose barbs. Unused hose barbs can be shut off with ball valves provided.

Note
For all discharge hoses, use hose with an operating pressure rating equal to or greater than the maximum pressure rating of the pump. High pressure clamping should be used on all outlet hose connections.

Note
Hypro recommends a blue thread locking compound on all threaded fasteners that do not require lock washers.

1. Install mounting bracket (Ref. 15) in desired location and secure with bolts (Ref. 12), washers (Ref. 13) and nuts (Ref. 14); then attach the control to the bracket.
   Warning: Always wear safety goggles when working with spring-loaded fasteners or devices.

2. With o-rings (Ref. 35) lubricated and in position on the control valve body (Ref. 26), plug it into the inlet adapter (Ref. 5); then lock it into place with retaining clip (Ref. 28).

3. Connect the NPT fitting on the discharge manifold of the pump with the NPT fitting on the control unit with the high pressure hose.

4. Connect the bypass hose to the elbow (Ref. 11), then run it unrestricted to the supply tank.

5. Connect the desired number of high pressure hoses to the outlet hose barbs on the control valve. Unused hose barbs can be shut off with ball valves provided.

For all discharge hoses, use hose with an operating pressure rating equal to or greater than the maximum pressure rating of the pump. High pressure clamping should be used on all outlet hose connections.

Operating Instructions

1. Be sure oil is halfway up to the clear oil sight tube. If necessary, fill to the correct level with Hypro oil (part number 2160-0038). Hypro oil is a specially formulated, high-grade, non-detergent, SAE 30 weight oil formulated to prolong pump life.
2. Make sure the suction hose barb is tightly screwed onto the suction union and that there are no air leaks on the inlet side of the pump.
3. The relief valve bypass port should be connected back to the liquid tank without restrictions. Do not hook bypass line back to the inlet port or inlet hose.
4. Allow the pump to start under low pressure by removing restrictions on the outlet of the pump.
5. Start the pump and let it run for approximately one minute at low pressure; then stop the pump and check the oil level in the sight glass. Add Hypro oil if necessary.
6. Adjust the pump to the desired pressure by changing the relief valve setting on the control unit, relief valve or unloader.

Set the pressure control to the pressure setting; then rotate the pressure regulator to the desired pressure.

Maintenance Instructions

1. After usage, flush the pump with clean water.

2. Hypro diaphragm pumps come with oil in the crankcase. Hypro recommends changing oil after 40 hours of break-in operation and every three months or 500 hours, whichever comes first. Use Hypro oil (part number 2160-0038). Hypro oil is a specially formulated, high-grade, non-detergent, SAE 30 weight oil formulated to prolong pump life.
   To drain the oil:
   
   Remove the drain plug (2406-0023) and the oil sight glass covers, and rotate shaft until the oil stops flowing out. Re-install the drain plug.
   To fill the pump with oil, slowly pour oil into sight tube while turning the pump shaft. Turning the pump shaft purges all the air out of the crankcase. Always change oil when replacing diaphragms.

3. For winter storage or if a freezing condition will be encountered, flush the pump with a 50/50 mixture of water and antifreeze.

Caution: The bypass return outlet on all control units must be connected directly to the tank without restrictions or ball valves.

CRANKCASE OIL CAPACITIES

Model| Capacity
9910-DP423
9910-DP573
9910-DP763| 13 oz.

Oil crankcase capacities are approximate. Fill oil to proper level in sight glass. Al-ways make sure all the air is purged out of crankcase prior to operation.

Valve Replacement
Occasionally debris may cause improper seating of the valves or damage to the o-rings. To check for this problem, follow these steps.

Inlet Manifold:

1. Using a 13 mm socket, remove (9) manifold mounting bolts (Fig. 1). DO NOT USE IMPACT GUN ON MOUNTING BOLTS.
2. Pull or gently pry away the manifold from the pump heads (Fig. 2). Do this so the valve pilots are completely free from the pump heads.
3. On gear reduction or pulley-driven models, there may not be enough room to access the valves for service while the manifold remains in one piece. To split the manifold, either pull or gently pry apart at opposing joints as shown in Figures 3 and 4.
4. Remove the suction valves for service or replacement. This can usually be done by hand, but use external pliers (as

Discharge Manifold:

1. Using a 13 mm socket, remove (9) manifold mounting bolts. DO NOT USE IMPACT GUN ON MOUNTING BOLTS.
2. Pull or gently pry away the manifold from the pump heads (Fig. 6). Do this so the valve pilots are completely free from the pump heads.
3. It should not be necessary to split the manifold to access the valves as was done with the inlet manifold.
4. Remove the discharge valves for service or replacement. This can usually be done by hand (Fig. 7) but use external pliers if necessary.

Diaphragm Replacement
Change diaphragms every 500 hours or three months, whichever comes first.

1. Drain oil from crankcase as instructed previously.

2. Remove pump head bolts and heads (See Figure 8).
   DO NOT USE IMPACT GUN ON HEAD BOLTS.

3. Remove the bolt securing the diaphragm (See Figure 9).

4. Remove the old diaphragm and the washer (See Figures 10 and 11).

5. Install a new diaphragm; then turn the crankshaft to bring the piston to its down-stroke and seat the diaphragm into the sleeve groove.

6. Install the washer and bolts removed in steps 3 and 4. Reference torque specs on page 13.

7. Refill the crankcase with Hypro oil (part number 2160-0038). Rotate the shaft to distribute the oil, and fill to proper level.

Hazardous Substance Alert Maintenance Schedule

REGULAR SERVICE PERIOD
Performed at every indicated month or operating hour interval, whichever comes first.| First Use| Each Use| First month or 40 hours| Every 3 months or 500 hours| Every 6 months or 1000 hours
---|---|---|---|---|---
Item|
Crankcase Oil| Check Level| X| X| | |
Replace| | | X| X|
Gearbox Oil| Check Level| X| X| | |
Replace| | | X| X|
Pulsation Dampener Pressure (in models with dampeners)| Set to 20% of working PSI| X| | | |
Check| | | X| X|
Diaphragms| Replace| | | | X|
Valves| Check| | | | X|
Replace| | | | | X
O-rings| Check| | | | X|
Replace| | | | | X

PERFORMANCE CHARTS

DP 423

Pressure in PSI and BAR| GPM| HP| GPM| HP| GPM| HP| GPM| HP| GPM| HP
LPM| HP| LPM| HP| LPM| HP| LPM| HP| LPM| HP
@ 350 RPM| @ 400 RPM| @ 450 RPM| @ 500 RPM| @ 550 RPM
0 PSI| 7.5| 0.18| 8.5| 0.20| 9.4| 0.29| 10.5| 0.35| 11.5| 0.42
0 BAR| 28.3| 0.18| 32.2| 0.20| 35.6| 0.29| 39.5| 0.35| 43.3| 0.42
72 PSI| 7.3| 0.46| 8.3| 0.53| 9.2| 0.61| 10.2| 0.68| 11.0| 0.77
5 BAR| 27.4| 0.46| 31.2| 0.53| 34.6| 0.61| 38.5| 0.68| 41.5| 0.77
145 PSI| 7.2| 0.77| 8.2| 0.87| 9.1| 0.98| 10.1| 1.11| 11.0| 1.21
10 BAR| 27.3| 0.77| 31.1| 0.87| 34.5| 0.98| 38.2| 1.11| 41.4| 1.21
217 PSI| 7.0| 1.06| 8.1| 1.21| 9.1| 1.37| 10.0| 1.51| 10.8| 1.68
15 BAR| 26.5| 1.06| 30.5| 1.21| 34.5| 1.37| 37.7| 1.51| 40.7| 1.68
290 PSI| 6.9| 1.33| 7.8| 1.53| 9.1| 1.74| 9.8| 1.93| 10.6| 2.14
20 BAR| 26.0| 1.33| 29.5| 1.53| 34.2| 1.74| 37.0| 1.93| 40.1| 2.14

DP 573

Pressure in PSI and BAR| GPM| HP| GPM| HP| GPM| HP| GPM| HP| GPM| HP
LPM| KW| LPM| KW| LPM| KW| LPM| KW| LPM| KW
@ 350 RPM| @ 400 RPM| @ 450 RPM| @ 500 RPM| @ 550 RPM
0 PSI| 10.4| 0.14| 11.7| 0.17| 13.0| 0.24| 14.3| 0.32| 15.6| 0.43
0 BAR| 39.5| 0.10| 44.3| 0.13| 49.1| 0.18| 54.3| 0.24| 59.1| 0.32
72 PSI| 10.3| 0.54| 11.6| 0.62| 12.6| 0.67| 14.2| 0.77| 15.5| 0.83
5 BAR| 39.0| 0.40| 43.8| 0.46| 47.7| 0.50| 53.9| 0.57| 58.6| 0.62
145 PSI| 10.1| 0.95| 11.4| 1.09| 12.6| 1.22| 14.1| 1.28| 15.2| 1.41
10 BAR| 38.4| 0.71| 43.0| 0.81| 47.6| 0.91| 53.3| 0.95| 57.5| 1.05
217 PSI| 9.9| 1.33| 11.1| 1.50| 12.5| 1.71| 13.9| 1.89| 14.9| 2.07
15 BAR| 37.3| 0.99| 41.9| 1.12| 47.4| 1.28| 52.7| 1.41| 56.4| 1.54
290 PSI| 9.7| 1.60| 10.8| 1.88| 12.5| 2.14| 13.8| 2.43| 14.8| 2.64
20 BAR| 36.8| 1.19| 40.9| 1.40| 47.3| 1.60| 52.3| 1.81| 56.1| 1.97

DP 763

Pressure in PSI and BAR| GPM| HP| GPM| HP| GPM| HP| GPM| HP| GPM| HP
LPM| KW| LPM| KW| LPM| KW| LPM| KW| LPM| KW
@ 350 RPM| @ 400 RPM| @ 450 RPM| @ 500 RPM| @ 550 RPM
0 PSI| 13.7| 0.20| 15.3| 0.29| 17.1| 0.39| 18.8| 0.51| 20.2| 0.63
0 BAR| 51.8| 0.15| 57.8| 0.22| 64.9| 0.29| 71.0| 0.38| 76.4| 0.47
72 PSI| 13.4| 0.71| 15.2| 0.77| 16.8| 0.90| 18.4| 0.98| 20.1| 1.11
5 BAR| 50.9| 0.53| 57.6| 0.57| 63.5| 0.67| 69.8| 0.73| 76.0| 0.83
145 PSI| 13.3| 1.21| 15.0| 1.39| 16.7| 1.58| 18.4| 1.76| 19.9| 1.93
10 BAR| 50.5| 0.90| 56.8| 1.04| 63.4| 1.18| 69.7| 1.31| 75.4| 1.44
217 PSI| 12.8| 1.76| 14.9| 2.02| 16.7| 2.25| 18.1| 2.50| 19.5| 2.75
15 BAR| 48.5| 1.31| 56.3| 1.51| 63.1| 1.68| 68.6| 1.86| 73.9| 2.05
290 PSI| 12.7| 2.12| 14.6| 2.49| 16.5| 2.77| 18.0| 3.12| 19.4| 3.45
20 BAR| 48.0| 1.58| 55.4| 1.86| 62.3| 2.07| 68.2| 2.33| 73.4| 2.57

Hydraulic Motor Kit 9910-KIT55375

Pulley Mounting Kit 9910-KIT42610

Pulley Dia.: 11”

Drive Source RPM| Drive Source Pulley Dia.
1160| 5-1/4”
1725| 3-1/2”
3450| Not Recommended

Gearbox 9910-KIT31086

Model 9910-GS25

Model 9910-GS35

Models 9910-DP423 and 9910-DP423GRGI

Models 9910-DP423 and 9910-DP423GRGI

9910-KIT42599
Diaphragm Kit Buna

9910-KIT42600
Diaphragm Kit Desmopan
9910-KIT42601
Diaphragm Kit Viton
Ref. No.| Qty.
98| 3

9910-KIT42604
Valve Kit Buna

9910-KIT42599
Valve Kit Viton
Ref. No.| Qty.
77| 6
78| 6

9910-KIT42602
O-Ring Kit Buna

9910-KIT42603
O-Ring Kit Viton
Ref. No.| Qty.
1| 24
2| 2
11| 2
14| 1
20| 1
22| 1
25| 3
28| 1
30| 1
33| 1
35| 1
49| 1
52| 1

9910-DP573 AND 9910-DP573GRGI AND 9910-DP763 AND 9910-DP763GRGI

9910-DP573 AND 9910-DP573GRGI AND 9910-DP763 AND 9910-DP763GRGI

Ref.

No.

| Part Number| Description| Qty.
---|---|---|---
1| See O-Ring Kits| O-Ring| 24
2| See O-Ring Kits| O-Ring| 2
3| 9910-3120690| Drain Plug| 1
4| 9910-3240040| Manifold Section| 4
5| 9910-3460210| Retaining Clip| 3
6| 9910-380221| Bolt| 12
7| 9910-3120760| Washer| 36
8| 9910-3240030| Manifold Section| 5
9| 9910-3240031| Manifold Section| 1
10| 9910-3240080| Discharge Manifold| 1
11| See O-Ring Kits| O-Ring| 2
12| 9910-320342| Bolt| 4
13| 9910-880530| Plug| 1
14| See O-Ring Kits| O-Ring| 1
15| 9910-3240010| Pump Body| 1
16| 9910-1880250| Threaded Adapter| 1
17| 9910-1880340| Pressure Gauge| 1
18| 9910-1880491| Right Ball Valve| 1
19| 9910-110131| Hose Barb| 4
20| See O-Ring Kits| O-Ring| 1
21| 9910-1880240| Pin| 1
22| See O-Ring Kits| O-Ring| 1
23| 9910-3140440| Adjustment Knob| 1
24| 9910-3240410| Spring| 1
25| 9910-480440| O-Ring| 3
26| 9910-3240380| Piston| 1
27| 9910-1880210| Lever| 1
28| See O-Ring Kits| O-Ring| 1
29| 9910-3210360| Spring| 1
30| See O-Ring Kits| O-Ring| 1
31| 9910-3240390| Valve| 1
32| 9910-3240420| Seat| 1
33| See O-Ring Kits| O-Ring| 1
34| 9910-3120460| Elbow| 1
35| See O-Ring Kits| O-Ring| 1
36| 9910-3120440| Nut| 1
37| 9910-3240350| Body| 1
38| 9910-3240450| Body| 1
39| 9910-1880492| Left Ball Valve| 3
40| 9910-3240460| Threaded Adapter| 1
41| 9910-961790| Cir Clip| 1
42| 9910-3120160| Seal Ring| 1
43| 9910-961780| Bearing| 1
44| 9910-3240320| Retaining Ring| 2
45| 9910-2280950| Key| 1
46| 9910-3240180| Shaft (9910-DP573)| 1
46A| 9910-3240190| Shaft (9910-DP763)| 1
47| 9910-3460110| Bearing| 1
48| 9910-1040320| Cap| 1
49| See O-Ring Kits| O-Ring| 1
50| 9910-3120240| Oil Tank| 1
51| 9910-50267| Elbow| 1
52| See O-Ring Kits| O-Ring| 1
53| 9910-750670| Nut| 1
54| 9910-3240050| Suction Manifold| 1
55| 9910-3120360| Gasket| 1
56| 9910-3120340| Flange| 1
57| 9910-540300| Bolt| 8
58| 9910-3460290| Gear Hub| 1
59| 9910-780230| Washer| 1
60| 9910-880280| Bolt| 1
61| 9910-651620| Gear| 1
62| 9910-200231| Washer| 3
63| 9910-620470| Bolt| 3
64| 9910-620950| Gasket| 1

9910-KIT42813
Diaphragm Kit Buna

9910-KIT42814
Diaphragm Kit Desmopan
9910-KIT42815
Diaphragm Kit Viton
Ref. No.| Qty.
98| 3

9910-KIT42811
Valve Kit Buna

9910-KIT42812
Valve Kit Viton
Ref. No.| Qty.
77| 6
78| 6

9910-KIT42994
O-Ring Kit Buna

9910-KIT42995
O-Ring Kit Viton
Ref. No.| Qty.
1| 24
2| 2
11| 2
14| 1
20| 1
22| 1
25| 3
28| 1
30| 1
33| 1
35| 1
49| 1
52| 1

Operating Instructions

Remove valve and check for debris. Remove any debris found. Examine the valve seating’s and clean them.
| Suction line in plugged or collapsed. Clogged strainer.| Examine and clean the suction line. Clean the strainer.
The liquid flow is irregular.| The charge in the pulsation dampener is incorrect.| Check the pressure in the pulsation dampener. (It should be 20% of your spray pressure.)
| One or more valves are seating improperly.| Remove valve and check for debris. Remove any debris found. Examine the valve seating’s and clean them.
Output drops and the pump is noisy.| The oil level is too low.| Add oil to the correct level (halfway up the sight tube).
Oil comes out of the discharge port or oil is a milky color.| One or more diaphragms have split.| Remove the manifold and heads. Drain the oil and clean the crankcase of water.

Replace the diaphragms, heads, and manifold. Refill with Hyrpo Oil (part number 2160-0038).

Limited Warranty on Hypro Pumps and Other Hypro Products

Hypro/Shurflo (hereafter, “Hypro”) agricultural products are warranted to be free of defects in material and workmanship under normal use for the time periods listed below, with proof of purchase.

• Pumps: one (1) year from the date of manufacture, or one (1) year of use.  This limited warranty will not exceed two (2) years, in any event.
• Accessories: ninety (90) days of use.

This limited warranty will not apply to products that were improperly installed, misapplied, damaged, altered, or incompatible with fluids or components not manufactured by Hypro. All warranty considerations are governed by Hypro’s written return policy.

Hypro’s obligation under this limited warranty policy is limited to the repair or replacement of the product. All returns will be tested per Hypro’s factory criteria. Products found not defective (under the terms of this limited warranty) are subject to charges paid by the returnee for the testing and packaging of “tested good” non-warranty returns.
No credit or labor allowances will be given for products returned as defective. Warranty replacement will be shipped on a freight allowed basis. Hypro reserves the right to choose the method of transportation.

This limited warranty is in lieu of all other warranties, expressed or implied, and no other person is authorized to give any other warranty or assume obligation or liability on Hypro’s behalf. Hypro shall not be liable for any labor, damage or other expense, nor shall Hypro be liable for any indirect, incidental or consequential damages of any kind incurred by the reason of the use or sale of any defective product. This limited warranty covers agricultural products distributed within the United States of America. Other world market areas should consult with the actual distributor for any deviation from this document.

Return Procedures
All products must be flushed of any chemical (ref. OSHA section 1910.1200 (d) (e) (f) (g) (h)) and hazardous chemicals must be labeled/tagged before being shipped* to Hypro for service or warranty consideration. Hypro reserves the right to request a Material Safety Data Sheet from the returnee for any pump/product it deems necessary. Hypro reserves the right to “disposition as scrap” products returned which contain unknown fluids. Hypro reserves the right to charge the returnee for any and all costs incurred for chemical testing, and proper disposal of components containing unknown fluids. Hypro requests this in order to protect the environment and personnel from the hazards of handling unknown fluids.

Be prepared to give Hypro full details of the problem, including the model number, date of purchase, and from whom you purchased your product. Hypro may request additional information, and may require a sketch to illustrate the problem.

Contact Hypro Service Department at 800-468-3428 to receive a Return Merchandise Authorization number (RMA#).

Returns are to be shipped with the RMA number clearly marked on the outside of the package. Hypro shall not be liable for freight damage incurred during shipping. Please package all returns carefully. All products returned for warranty work should be sent shipping charges prepaid to:

Hypro / PENTAIR
Attention: Service Department
375 Fifth Avenue NW
New Brighton, Minnesota 55112

For technical or application assistance, call the Hypro Technical/Application number: 800-445-8360, or send an email to: technical@hypropumps.com. To obtain service or warranty assistance, call the Hypro Service and Warranty number: 800-468-3428; or send a fax to the Hypro Service and Warranty FAX: 651-766-6618.

*Carriers, including U.S.P.S., airlines, UPS, ground freight, etc., require specific identification of any hazardous materials being shipped. Failure to do so may result in a substantial fine and/or prison term. Check with your shipping company for specific instructions.

Address: 375 Fifh Avenue NW• New Brighton, MN 55112
Phone: 651-766-6300 • 800-424-9776
Fax: 800-323-649
Email: www.hyYpropumps.com

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