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3DTH

4DTH

6ETH26

8GTH8

10GTH9

6ETH28

8GTH14

25.4mm-14 Esna Nut (Short)

25.4-14 Esna Nut (Short)

25.4-12 Esna Nut

125-150 ft. Ibs

125-150 it. Ibs

125-150 ft. Ibs

125-150 it. Ibs

125-150 ft. Ibs

150-175 ft. Ibs

IMPELLER NUT INSTALLATION TORQUE

Use following impeller nut torque value during installation:

NOTE: Before installing impeller onto the shaft, apply coat of Loctite grade 242 into the impeller bore to help prevent
corrosion.

TROUBLE SHOOTING

Between regular maintenance inspections, be alert for signs of motor or pump trouble. Common symptoms are listed
below. Correct any trouble immediately and AVOID COSTLY REPAIR AND SHUTDOWN.

Will not prime

Suddenly stops pumping

SP | Impeller Nut Installation Torque | Trouble Shooting

Pump Model

Nut Size

Torque Value

CAUSES

CURES

1. No liquid in pump casing.

2. Loose suction inlet and/or

suction check valve cover

plate.

3. Worn suction inlet gasket

and/or cover plate gasket.

4. Loose suction chamber drain

plug.

5. Worn pump shaft seal assy.

6. Loose clean out cover and/or

worn clean out gasket.

7. Air release line clogged.

Fill pump casing with liquid being pumped.

Tighten bolts.

Replace with new gaskets.

Tighten plug, use pipe dope or Teflon tape.

Install new seal

Replace with new gasket and tighten hand knobs.

Clean air release line.

Clogged suction line or suction

strainer.

Clean suction line and strainer.

Содержание SP

Страница 1: ...tenance Manual SAM Engineering Pty Ltd 24 Duncan Road Lilianton Boksburg South Africa Tel 27 0 11 823 4250 Fax 27 0 11 823 4943 Email pumps sameng co za www sameng co za Alloys to suit all applications Proud Manufacturers of SAMCO Pumps ...

Страница 2: ...CE 8 SHAFT AND BEARING REPLACEMENT 8 CLEANING OR REPLACING CHECK VALVE 8 CLEANING IMPELLER 8 DISASSEMBLY 9 IMPELLER NUT INSTALLATION TORQUE 10 TROUBLE SHOOTING 10 11 NOTE The information contained in this book is intended to assist operating personnel by providing information on the characteristics of the purchased equipment It does not relieve the user of their responsibility of using accepted en...

Страница 3: ...ion line is installed in the same sump separate the suction lines from each other by a minimum distance equal to three times the diameter of the largest suction line SAM Engineering Pty Ltd SELF PRIMING SOLIDS HANDLING PUMPS MOTOR DRIVEN LONG COUPLED TYPE El EB SP GENERAL LOCATION By placing your SAM pump on a firm level foundation you reduce harmful vibrations and unnecessary noise Your SAM pump ...

Страница 4: ...ossible b Use the minimum number possible of elbows and other pipe fittings c Use long radius elbows and or eccentric reducers 5 Do not terminate the discharge line at a level lower than that of the liquid being pumped unless a siphon breaker is used in the discharge line Siphoning action may cause damage to the pump 6 If there is a high discharge head slow re priming may be encountered requiring ...

Страница 5: ...pump apart It is advisable to flush the inside of the casing with water before taking pump apart Never start pump before putting back all necessary guards such as coupling guard and or belt guard LUBRICATION Bearing lubrication Refer to drawing Use good grade SAE 30 non detergent motor oil Units are shipped without oil and must be filled before starting Fill bearing housing oil cavity with oil thr...

Страница 6: ...n another direction It should not be necessary to adjust the shims under the pump COUPLING ALIGNMENT The faces of the coupling halves should be spaced far enough apart so that they cannot strike each other when the driver rotor is moved hard over toward the pump Due allowance should be made for wear of the thrust bearings A minimum dimen sion for the separation of the coupling halves is specified ...

Страница 7: ...e or perhaps as a break in the tape or string Make sure that the width of the outside land is equal on both sheaves when using this method V BELT DRIVE TENSIONING METHOD Before attempting to tension any drive it is important that the sheaves be properly installed and aligned The V belts should be placed over the sheaves and in the grooves without forcing them over the sides of the grooves Step 1 W...

Страница 8: ...ENT If shaft or bearing replacement is necessary follow these instructions Shut down the pump and disconnect power supply to the pump before working on pump 1 Install the front impeller end bearing on the shaft 2 Slide the carrier retaining ring onto the shaft 3 Install the rear coupling end bearing on the shaft 4 Install the retaining ring onto the shaft 38 Add shims 107 between the retaining rin...

Страница 9: ... silicon carbide rings rubber bellows and shaft surface under seal are in good condition Make sure to lubricate with water before reinstalling If necessary replace seal assembly 11 Remove cap screws to disassemble bearing housing from seal plate Note Check gasket if worn replace it 12 Remove the shaft assembly with bearings and bearing carrier out of the bearing housing 13 Check both lip seals rep...

Страница 10: ...trouble Common symptoms are listed below Correct any trouble immediately and AVOID COSTLY REPAIR AND SHUTDOWN Will not prime Suddenly stops pumping SP Impeller Nut Installation Torque Trouble Shooting 10 Pump Model Nut Size Torque Value CAUSES CURES 1 No liquid in pump casing 2 Loose suction inlet and or suction check valve cover plate 3 Worn suction inlet gasket and or cover plate gasket 4 Loose ...

Страница 11: ...e cover plate Clean or replace check valve clean sealing surface Check gasket replace if necessary Tighten cover plate Check gasket Replace if necessary Tighten cover plate screws Poor performance 1 Dislodged or worn check valve 2 Motor not up to speed a Low voltage b Worn bearings 3 Excessive clearance between impeller and wear plate Install new impeller seal or wear plate a Larger lead wires req...

Страница 12: ...SAM Engineering Pty Ltd 24 Duncan Road Lilianton Boksburg South Africa Tel 27 0 11 823 4250 Fax 27 0 11 823 4943 Email pumps sameng co za www sameng co za ...

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