3500B and 3500 Marine Propulsion Engines with EUI Option Caterpillar


Centrifugal Oil Filter - Inspect

Information for equipment:


COOLING SYSTEM
COOLER GP

Oil Filter Groups For All Commercial 3500 Series Engines Have Been Improved{1306} 1998/10/01
161-3995 Oil Filter Spring Group Available To Increase Oil Filter Element Seating Force{1306} 1999/02/01
Special Instruction for Testing Oil Coolers {1378} 2003/12/01
Improved Gasket for the Engine Oil Cooler {1378, 7555} 2004/03/01
100% Leak Testing of Oil Coolers {1378} 2007/04/30

Centrifugal Oil Filter - Inspect 3500B and 3500 Marine Propulsion Engines with EUI Option

Engine Oil Cooler Inspection, Repair, Testing, and Cleaning {1378} Engine Oil Cooler Inspection, Repair, Testing, and Cleaning {1378}

Inspect All 2P4005 Oil Filter Assemblies In Parts Stock Inspect All 2P4005 Oil Filter Assemblies In Parts Stock






Engine Oil Cooler Bypass and Cooling Jet Sequence Valves 3500B Engines

Inspect All 2P4005 Oil Filter Assemblies In Parts Stock Inspect All 2P4005 Oil Filter Assemblies In Parts Stock


Engine Oil Cooler Inspection, Repair, Testing, and Cleaning {1378} Engine Oil Cooler Inspection, Repair, Testing, and Cleaning {1378}

APPEARANCE CHANGE ON REMAN SHORT BLOCKS APPEARANCE CHANGE ON REMAN SHORT BLOCKS

Inspect All 2P4005 Oil Filter Assemblies In Parts Stock Inspect All 2P4005 Oil Filter Assemblies In Parts Stock

Engine Oil Cooler - Disassemble 3500B Engines
Engine Oil Cooler - Assemble 3500B Engines
Engine Oil Cooler - Remove 3500B Engines
Engine Oil Cooler - Install 3500B Engines
Engine Oil Filter Base - Disassemble - Spin-on Filters 3500B Engines
Engine Oil Filter Base - Assemble - Spin-on Filters 3500B Engines


------ WARNING! ------

Hot oil and components can cause personal injury.

Do not allow hot oil or components to contact skin.



NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.

Dispose of all fluids according to local regulations and mandates.


Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
A  185-3630  Strap Wrench Assembly 
B  8T-0890  Puller Group 
C  8T-5096  Dial Indicator Group 


Illustration 1g00810377
(1) Centrifugal oil filter
(2) Valve
(3) Camshaft cover


Illustration 2g00810333
(4) Bearing
(5) Nut
(6) Stiffener plate
(7) Nut
(8) Rotor cover
(9) Cover
(10) Paper liner
(11) Spindle
(12) Stand tube
(13) O-ring
(14) O-ring
(15) Bearing
(16) Clamp
(17) Rotor base
(18) Filter body

  1. Close valve (2) to centrifugal oil filter (1).

  2. Loosen clamp (16) and nut (5). Remove cover (9) from filter body (18).

  3. Remove O-ring seal (14) from the body.

  4. Remove the rotor assembly from spindle (11). Lift the rotor assembly carefully so the bearings are not damaged.

  5. Use tool (A) to hold the rotor assembly and remove nut (7).

  6. Remove stiffener plate (6).

  7. Use tool (B) to remove rotor cover (8) from rotor base (17). Remove O-ring seal (13) from the base. Remove paper liner (10) from the rotor cover. Properly dispose of the paper liner. Use a plastic scraper to clean out the inside of rotor cover (8).

  8. Remove stand tube (12) from rotor base (17) and clean the stand tube.

  9. Clean the nozzles in rotor base (17). Do not enlarge the nozzles.

  10. Inspect bearings (4) and (15) for excessive wear.

  11. Inspect spindle (11) for excessive wear.

  12. If there is minimal wear to bearing (4), bearing (15), and spindle (11) go to step 14. If there is considerable wear to bearing (4), bearing (15), and spindle (11) go to step 13.

  13. Use tool (C) to measure the clearances between the bearing (4) and bearing (15) and spindle (6).

    The maximum clearance between bearing (4) and spindle (11) is 0.25 mm (0.010 inch).

    The maximum clearance between bearing (15) and spindle (11) is 0.20 mm (0.008 inch).

    If the rotor bearings and the spindle are not within specifications, replace the parts.

    Note: The spindle and the filter body are replaced as a complete assembly. The rotor assembly is replaced as a complete assembly.

    Before you assemble the centrifugal oil filter, thoroughly clean all of the parts and inspect all of the parts. Replace parts that are damaged or worn.


    NOTICE

    Ensure that all of the rotor components are thoroughly clean before assembling the rotor. Failure to do so can cause an out of balance condition that can cause rapid wear to the bearings and the spindle.


  14. Install stand tube (12) on rotor base (17).

  15. Install a new paper liner (10) in rotor cover (8). Place O-ring seal (13) on rotor base (17). Position rotor cover (8) on rotor base (17).

  16. Install stiffener plate (6).

  17. Use tool (A) to hold the rotor assembly and install nut (7).

  18. Install the rotor assembly on spindle (11). Install the rotor assembly carefully so the bearings are not damaged.

  19. Install O-ring seal (14) on filter body (18).

  20. Install cover (9) and clamp (16) on filter body (18). Tighten clamp (16) and nut (5).

  21. Open valve (2) to centrifugal oil filter (1).

  22. Check the centrifugal oil filter for leaks. Feel the centrifugal oil filter for excessive vibration.

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