Idex Banjo 150P-3 Manuale utente

SELF-PRIMING POLY CENTRIFUGAL PUMPS

INSTRUCTION MANUAL

BANJO CORPORATION | A Unit of IDEX Corporation

150 Banjo Drive, Crawfordsville, IN 47933 U.S.A.

banjocorp.com | Telephone: (765) 362-7367

BANJOCORP.COM

1½″, 2″ & 3″ PUMPS

CONNECT WITH CONFIDENCE™2

OPERATION WARNING

Do not operate the gas engine (if so equipped)

until you have put oil in the engine. Do not run

the pump dry. Serious damage to the mechanical

seal or complete failure of the mechanical seal can

result from running the pump dry. Always ll the

pump with water or the uid being pumped before

starting the drive unit.

WARNING! DO NOT USE WITH

FLAMMABLE LIQUIDS.

Do not use ammable liquids. This pump is not

designed or produced to pump ammable liquids of

any kind. Failure to follow this warning can result in

explosion, serious bodily injury or death.

OVERVIEW

Read these instructions and the instructions covering operation of the pump drive unit.

The gas engine (if so equipped) is shipped with no oil. Consult your owners manual for specic oil recommendations,

maintenance procedures, schedules, and troubleshooting. The maximum angle of operation for gas engine drive units is

25° in all directions. For engine warranty service contact your local engine dealer.

Make certain that all hose and pipe connections are air tight. An air leak in the suction line may prevent priming and will

reduce the performance of the pump.

Always place the pump as close to the liquid to be pumped as possible. Keep the suction line short and with few bends.

Keep the pump and engine on a level foundation. A poor foundation and a heavy suction hose (made heavier when

“primed” full of liquid) could result in a pump “down the hole”. It is not necessary to drain the pump body after use, unless

there is a danger of freezing.

There are no points on the pump that need lubrication. The pump seal is cooled and lubricated by the uid being pumped.

When pumping dirty water or liquids containing solids, always use a pump strainer on the end of the suction line. Note:

Engine warranty service available at authorized Briggs & Stratton

and Honda

dealers.

WARNINGS

STORAGE WARNING

There are important instructions regarding the

preparation of the engine for long periods without

use, (reference the engine instruction manual).

Before long periods of storage, the pump should

be ushed with clean water and drained. Leave all

plugs (ll and drain) out of the pump. Always store

the pump unit in a heated and dry building.

CONNECT WITH CONFIDENCE™3

1½″, 2″& 3″POLY PUMPS

120

110

100

PSI FT

0 25 50 75 100 125 150 175 200 225 250 275 300 325 350

FLOW (GPM)

TOTAL HEAD

140

130

Head (FT) 011233446576980

Pressure (PSI) 0510 15 20 25 30 35

Flow (GPM) 325 300 280 235 190 150 90 20

Note: Curve based on water and pump spinning at 3450 RPM

PERFORMANCE CHART @ 3450 RPM

Head (FT) 0112334465769

Pressure (PSI) 0510 15 20 25 30

Flow (GPM) 300 285 240 190 145 85 15

Note: Curve based on water and pump spinning at 3450 RPM

PERFORMANCE CHART @ 3450 RPM

Head flow curve for

the following:

300PO 300P6PRO

300PH-6

300PB

PERFORMANCE

120

110

100

PSI FT

0 25 50 75 100 125 150 175 200 225 250 275 300 325 350

FLOW (GPM)

TOTAL HEAD

140

130

Head (FT) 011233446576980

Pressure (PSI) 0510 15 20 25 30 35

Flow (GPM) 325 300 280 235 190 150 90 20

Note: Curve based on water and pump spinning at 3450 RPM

PERFORMANCE CHART @ 3450 RPM

Head (FT) 0112334465769

Pressure (PSI) 0510 15 20 25 30

Flow (GPM) 300 285 240 190 145 85 15

Note: Curve based on water and pump spinning at 3450 RPM

PERFORMANCE CHART @ 3450 RPM

Head flow curve for

the following:

300PO 300P6PRO

300PH-6

300PB

120

110

100

PSI FT

0 25 50 75 100 125 150 175 200 225 250 275 300 325 350

FLOW (GPM)

TOTAL HEAD

140

130

Head (FT) 011233446576980

Pressure (PSI) 0510 15 20 25 30 35

Flow (GPM) 325 300 280 235 190 150 90 20

Note: Curve based on water and pump spinning at 3450 RPM

PERFORMANCE CHART @ 3450 RPM

Head (FT) 0112334465769

Pressure (PSI) 0510 15 20 25 30

Flow (GPM) 300 285 240 190 145 85 15

Note: Curve based on water and pump spinning at 3450 RPM

PERFORMANCE CHART @ 3450 RPM

Head flow curve for

the following:

300PO 300P6PRO

300PH-6

300PB

1½″ Port Size

Suction...............................1½″ NPT

Discharge ..........................1½″ NPT

2″ Port Size

Suction..................................2″ NPT

Discharge .............................2″ NPT

3″ Port Size

Suction..................................3″ NPT

Discharge .............................3″ NPT

PERFORMANCE CHART @3450

CONNECT WITH CONFIDENCE™4

DISASSEMBLY INSTRUCTIONS:

Remove the 10 body screws (12720), lock washers (V07018) and

nuts (V07019) from the pump assembly. Remove the body from the

pump assembly.

Remove the check valve (12705) from the volute (12702A/13702).

2A1

Remove the check valve (12705) from the volute (13702). Remove

the one upper volute screw (12900) and the two smaller volute

screws (12725) from the volute. Remove the volute from the

remaining pump assembly.

Remove the impeller bolt (12765A) from the

impeller (12771A/12772). Remove the impeller bolt gasket

(12774VA) from the impeller.

4A: Screw the supplied 7/16-14 hex head cap screw into the

impeller snout. As the bolt is tightened the impeller will be pried off

of the shaft of the drive unit. Remove the 7/16-14 screw once the

impeller has been removed from the drive unit. 4B: If the pump im-

peller is going to be reused the ceramic seal half (12713) should be

removed from the impeller at this time. The impeller key (12902A)

located behind the ceramic seal half should be replaced at this time

also.

Remove the four bracket screws (12715A), rear bracket washers

(12901), and screw head O-rings (12717) from the rear bracket using

a ½″ socket. With the four bracket screws removed, the rear bracket

can now be removed from the drive unit.

4A 4B 5

CONNECT WITH CONFIDENCE™5

Remove carbon seal half from rear bracket with a round object. Tap

gently with a hammer. Take care not to crack seal if reusing. Once

disassembled; clean all reusable parts thoroughly, removing any

traces of old gasket material and trapped / dried liquids from pump.

DISASSEMBLY INSTRUCTIONS:

At this time, it may be necessary to polish the drive unit shaft to

remove any corrosion that may have formed.

Install the pump slinger (12706) on to the drive unit shaft. The

slinger should be slid all the way back on the shaft of the drive unit

so that the slinger covers the step on the drive unit shaft as shown.

Place the seal O-ring (12710) behind the lip of the carbon seal half.

ASSEMBLY INSTRUCTIONS:

To install the carbon seal (12713) half into the rear bracket use a

tool such as a 1 ½″ pipe nipple or arbor press to give even pres-

sure on the metal ange of the seal housing during installation.

Gently press the seal into position until it bottoms.

Clean the threads of the bracket screws (12715A) thoroughly. Once

clean, install the four at washers (12901) and four screw head

O-rings (12717) onto each of the bracket screws.

CONNECT WITH CONFIDENCE™6

ASSEMBLY INSTRUCTIONS:

Install the rear bracket onto the drive unit using the bracket screw

assemblies from the previous step. The handle of the rear bracket

should be to the top of the drive unit. Tighten the screws securely.

Place the impeller key (12902A) in the slot located inside the impeller

snout. The impeller (12771A/12772/13772) is now ready to be slid

onto the drive unit shaft.

Secure the impeller to the drive unit shaft with the impeller bolt

gasket (12774VA) and impeller bolt (12765A). Tighten the impeller

bolt until snug.

Install the O-ring segment (12754) onto the rear bracket as shown.

910

Install volute (12702A/13702) onto rear bracket using the three volute

screws (12900/12725). Install check valve (12705) onto the snout of

the volute. Drive unit should be turned over a few times to check for

clearance between the two. A small amount of drag between impeller

and volute is ok, however, if the drive unit will not turn over because

of the lack of clearance, a bracket shim may have to be used.

Verify impeller hex nut (12775A) is located at the bottom of impeller

snout (should be installed). A very light press t may be required to

install nut into cavity. Install the ceramic seal half into hub of impeller

by using an arbor press or similar tool. Outside diameter of rubber

boot may be sparingly coated with silicone to ease installation.

BJO_MAN_KK-52_1.5_2_3InchPolyPumpManual_Rev1118

BANJO CORPORATION

A Unit of IDEX Corporation

150 Banjo Drive

Crawfordsville, IN 47933 U.S.A.

Telephone: (765) 362-7367

Tech Sales: (888) 705-7020

Fax: (765) 362-0744

banjocorp.com

#yellowhandle

Please see banjocorp.com for more information

ASSEMBLY INSTRUCTIONS:

Place the pump body O-ring (12719A) around the outside ange

of the rear bracket. The O-ring may be sparingly lubricated with

silicone to ease installation of the pump body in the next step.

Install the pump body (12712/13712) as shown below with the

outlet ange facing up. Install the 10 body screws (12720), 10 lock

washers (V07018), and 10 nuts (V07019) to secure the pump body

to the rear bracket. Tighten the bolts securely all the way around.

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