Spinner II 25 Manuale utente

0.9 gpm at 60 psig

Model 25 250 cc Dirt Capacity

Installation Instructions

Parts List

Service Instructions

Bulletin 71951

Oil Supply to Centrifuge

Oil supply should, in general, be taken from

the highest pressure, hottest source available

immediately downstream of the lube pump.

A3⁄8” pipe (or #6 hose) supply line should be

used. The unit’s supply port is a #6 female

SAE O-ring design (9⁄16-18 straight thread).

Preferred pressure is 60 to 80 psig but the

Spinner II centrifuge will operate efficiently

at 35 to 90 psig. The idle Cut-Out Valve (COV)

allows oil to enter the unit only when supply

pressure exceeds 20 psi.

Clean Oil Return to Sump

Gravity Drain. The Spinner II centrifuge

must be close-coupled to the sump with an

unrestricted 1” ID (or #20 hose) drain returning

above the normal sump oil level. The drain

line must be sloped downward from the

centrifuge outlet and be free of sharp bends

or traps. On many engines, an access plate

into the gear train or crankcase can be modified

to provide a suitable drain opening as well as

sturdy mechanical support. Be sure the sump

side of the drain opening is clear and that the

drain oil does not impinge on moving parts of

the engine.

Mechanical Considerations

Spinner II centrifuges are high–speed devices

and should be securely mounted to prevent

excessive vibration. Operation up to 10 or 15

degrees from vertical is permitted. Further

installation guidelines are provided in Spinner II

diagram A1-4154.

Model 25 Installation Instructions

FLOW

5500

5000

4500

4000

3500

3000

Oil Flow U.S. gpm

SPEED

10 20 30 40 50 60 70 80 90

Oil Pressure – psig

0.2

0.4

0.6

0.8

1.0

1.2

6000

6500

7000

SAE30 Oil at 167°F / 75°C

Turbine Speed rpm

4 Fixing holes

Ø 9

220

61 61 9

153

Ø 90

Ø 120

Ø 109

Oil outlet

Oil inlet

All dimensions in millimeters

Cut-out

valve

Minimum height

for rotor removal

Ø 40

Model 25 Parts List

Description Part number

Only items shown with part numbers are available.

Bold denotes assembly

Centrifuge, Spinner II/Model 25 with COV (Cut-Out Valve) .... 71957

Cover assembly .................................................................................. 71080

Nut-cover .............................................................................................. 71081

■Seal-cover nut ..................................................................................... 71082

Ring, retaining-cover nut .................................................................. 71083

Centrifuge turbine assembly .......................................................... 71085

Nut-centrifuge bowl ............................................................................ 71086

Bowl-centrifuge ................................................................................... 71087

●Seal-centrifuge turbine, nitrile ......................................................... 71089

Standtube-centrifuge ......................................................................... 71088

●Turbine body ........................................................................................ 71952

Nozzle-turbine (2 required) ....................................................part of 71085

Base assembly with spindle ........................................................... 71979

●Seal-base to cover (nitrile) ................................................................ 71084

■Kit cut-out valve ................................................................................. 71950

Gasket-base ......................................................................................... 71091

Service Cycle ●Whenever bowl is cleaned or replaced.

■At unit rebuild or when required.

Rev 9/02

1. Shut off oil supply (or stop engine) and allow

centrifuge turbine assembly to come to a

complete stop.

2. Unscrew cover nut and remove cover

assembly.

3. Partially withdraw centrifuge turbine assem-

bly from the housing and allow oil to drain

from nozzles before removing completely.

Hold the assembly in one hand and remove

bowl nut. Carefully separate centrifuge bowl

from turbine. Remove stand tube.

4. Carefully remove sludge from centrifuge

bowl using a wooden spatula or other non-

damaging tool.

5. Wipe out bowl with solvent and wash stand

tube and other parts.

6. Clean turbine and examine top and bottom

bearings for excessive wear. Check turbine

nozzles to ensure free passage of oil. Replace

centrifuge bowl seal.

7. Seat stand tube in turbine, replace bowl and

reassemble centrifuge, tightening the bowl

nut securely by hand and making sure that

the bowl seal is uniformly seated all around.

18. Examine spindle journals for damage or

excessive wear. Replace base assembly if

journals are damaged. Spindle is pressed

into base and aligned at the factory and

cannot be properly serviced in the field.

19. Replace centrifuge turbine assembly on

spindle, being careful of bushings. Be sure

it rotates freely.

10. Clean and inspect cover, paying special

attention to cover-nut assembly. The seal

should be replaced if it shows signs of

leaking.

11. Examine the base-to-cover seal and replace

if damaged.

12. Replace cover assembly and tighten cover

nut securely to 8 ft-lbs maximum. Make sure

that cover seats on base assembly evenly

all around so that cover seal is properly

compressed. Check all centrifuge mounting

bolts for proper tightness.

13. Open oil supply to centrifuge. With engine

running, check all connections and joints

for leaks. Repeat assembly if vibration is

excessive.

Tel: 713-682-3651 or 800-231-7746

Fax: 713-681-9702

Mail: P.O. Box 920946

Houston, Texas USA 77292-0946

Warehouse: 4405 Directors Row

Houston, Texas USA 77092

Web Site: www.Spinnerii.com

Made in England by Mann+Hummel (UK) Ltd. Patented worldwide.

®Spinner II is a registered trademark of T.F. Hudgins, Incorporated.

Litho in U.S.A. Bulletin 71951/9-02

Sales and Service

Model 25 SE Service Instructions

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