This document provides instructions for removing and installing inlet and exhaust valves, valve guides, and valve seat inserts on a 3126B engine. It describes the required tools and multi-step procedures, which include compressing springs, removing retainers, and ensuring parts are clean. Safety notices are included to warn of potential injury from parts propelled by springs.
5 Warning Signs Your BMW's Intelligent Battery Sensor Needs AttentionBertini's German Motors
IBS monitors and manages your BMW’s battery performance. If it malfunctions, you will have to deal with an array of electrical issues in your vehicle. Recognize warning signs like dimming headlights, frequent battery replacements, and electrical malfunctions to address potential IBS issues promptly.
Symptoms like intermittent starting and key recognition errors signal potential problems with your Mercedes’ EIS. Use diagnostic steps like error code checks and spare key tests. Professional diagnosis and solutions like EIS replacement ensure safe driving. Consult a qualified technician for accurate diagnosis and repair.
𝘼𝙣𝙩𝙞𝙦𝙪𝙚 𝙋𝙡𝙖𝙨𝙩𝙞𝙘 𝙏𝙧𝙖𝙙𝙚𝙧𝙨 𝙞𝙨 𝙫𝙚𝙧𝙮 𝙛𝙖𝙢𝙤𝙪𝙨 𝙛𝙤𝙧 𝙢𝙖𝙣𝙪𝙛𝙖𝙘𝙩𝙪𝙧𝙞𝙣𝙜 𝙩𝙝𝙚𝙞𝙧 𝙥𝙧𝙤𝙙𝙪𝙘𝙩𝙨. 𝙒𝙚 𝙝𝙖𝙫𝙚 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙥𝙡𝙖𝙨𝙩𝙞𝙘 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙪𝙨𝙚𝙙 𝙞𝙣 𝙖𝙪𝙩𝙤𝙢𝙤𝙩𝙞𝙫𝙚 𝙖𝙣𝙙 𝙖𝙪𝙩𝙤 𝙥𝙖𝙧𝙩𝙨 𝙖𝙣𝙙 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙛𝙖𝙢𝙤𝙪𝙨 𝙘𝙤𝙢𝙥𝙖𝙣𝙞𝙚𝙨 𝙗𝙪𝙮 𝙩𝙝𝙚 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙛𝙧𝙤𝙢 𝙪𝙨.
Over the 10 years, we have gained a strong foothold in the market due to our range's high quality, competitive prices, and time-lined delivery schedules.
What Could Cause The Headlights On Your Porsche 911 To Stop WorkingLancer Service
Discover why your Porsche 911 headlights might flicker out unexpectedly. From aging bulbs to electrical gremlins and moisture mishaps, we're delving into the reasons behind the blackout. Stay tuned to illuminate the road ahead and ensure your lights shine bright for safer journeys.
What Does the PARKTRONIC Inoperative, See Owner's Manual Message Mean for You...Autohaus Service and Sales
Learn what "PARKTRONIC Inoperative, See Owner's Manual" means for your Mercedes-Benz. This message indicates a malfunction in the parking assistance system, potentially due to sensor issues or electrical faults. Prompt attention is crucial to ensure safety and functionality. Follow steps outlined for diagnosis and repair in the owner's manual.
Why Is Your BMW X3 Hood Not Responding To Release CommandsDart Auto
Experiencing difficulty opening your BMW X3's hood? This guide explores potential issues like mechanical obstruction, hood release mechanism failure, electrical problems, and emergency release malfunctions. Troubleshooting tips include basic checks, clearing obstructions, applying pressure, and using the emergency release.
In this presentation, we have discussed a very important feature of BMW X5 cars… the Comfort Access. Things that can significantly limit its functionality. And things that you can try to restore the functionality of such a convenient feature of your vehicle.
Fleet management these days is next to impossible without connected vehicle solutions. Why? Well, fleet trackers and accompanying connected vehicle management solutions tend to offer quite a few hard-to-ignore benefits to fleet managers and businesses alike. Let’s check them out!
Ever been troubled by the blinking sign and didn’t know what to do?
Here’s a handy guide to dashboard symbols so that you’ll never be confused again!
Save them for later and save the trouble!
"Trans Failsafe Prog" on your BMW X5 indicates potential transmission issues requiring immediate action. This safety feature activates in response to abnormalities like low fluid levels, leaks, faulty sensors, electrical or mechanical failures, and overheating.
2. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 325C EXCAVATOR BLX
Configuration: ISJ HEX COMMONALITY CHART BLX00001-UP (MACHINE)
Disassembly and Assembly
3126B Engines for Caterpillar Built Machines
Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018
i02374873
Inlet and Exhaust Valves - Remove and Install
SMCS - 1105-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 5S-1330 Valve Spring Compressor 1
Start By:
a. Remove the cylinder head assembly. Refer to Disassembly and Assembly, "Cylinder Head -
Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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3. Illustration 1 g00991548
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
1. Use Tooling (A) to compress valve spring (4). Remove retainer lock (6).
2. Remove Tooling (A). Remove spring retainer (5), valve spring (4), and washer (3).
3. Remove valve seal (1) and valve (2).
4. Repeat Steps 1 through 3 in order to remove the remaining inlet valves and exhaust valves.
Installation Procedure
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4. Table 2
Required Tools
Tool Part Number Part Description Qty
A 5S-1330 Valve Spring Compressor 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 2 g00991548
The valve spring keepers can be thrown from the valve when the valve
spring compressor is released. Ensure that the valve spring keepers are
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5. properly installed on the valve stem. To help prevent personal injury,
keep away from the front of the valve spring keepers and valve springs
during the installation of the valves.
1. Lubricate valve (2) with clean engine oil. Install valve (2) in the cylinder head assembly.
Install new valve seal (1) onto the valve guide.
2. Place the following items on the valve stem: washer (3), valve spring (4) and spring retainer
(5).
Note: A small amount of grease can be used to hold the retainer locks in position during
installation.
3. Use Tooling (A) to compress valve spring (4). Install retainer lock (6).
4. Repeat Steps 1 through 3 in order to install the remaining inlet valves and exhaust valves.
End By:
a. Install the cylinder head assembly. Refer to Disassembly and Assembly, "Cylinder Head -
Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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6. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 325C EXCAVATOR BLX
Configuration: ISJ HEX COMMONALITY CHART BLX00001-UP (MACHINE)
Disassembly and Assembly
3126B Engines for Caterpillar Built Machines
Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018
i01979506
Inlet and Exhaust Valve Guides - Remove and Install
SMCS - 1104-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-7793 Valve Guide Driver 1
B 9U-6895 Valve Guide Driver 1
Start By:
a. Remove the inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and
Exhaust Valves - Remove and Install".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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7. Illustration 1 g01029395
1. Use Tooling (A) to remove inlet valve guides (2) from the cylinder head assembly. Use
Tooling (B) to remove exhaust valve guides (1) from the cylinder head assembly.
Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 1U-7793 Valve Guide Driver 1
B 9U-6895 Valve Guide Driver 1
C 1U-7792 Guide Collar 1
D 149-4008 Guide Collar 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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8. Illustration 2 g01029395
1. Position inlet valve guide (2) and tap on the top of inlet valve guide (2).
2. Use Tooling (A) and Tooling (C) to install inlet valve guide (2). Install inlet valve guides
(2) until the protrusion is 23.0 ± 0.5 mm (0.90 ± 0.02 inch) above the cylinder head
assembly.
3. Use Tooling (B) and Tooling (D) to install exhaust valve guide (1). Install exhaust valve
guide (1) until the protrusion is 17.8 ± 0.5 mm (0.70 ± 0.02 inch) above the cylinder head
assembly.
End By:
a. Install the inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and Exhaust
Valves - Remove and Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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9. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 325C EXCAVATOR BLX
Configuration: ISJ HEX COMMONALITY CHART BLX00001-UP (MACHINE)
Disassembly and Assembly
3126B Engines for Caterpillar Built Machines
Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018
i02368759
Inlet and Exhaust Valve Seat Inserts - Remove and Install
SMCS - 1103-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A(1)
6V-4194 Valve Seat Extractor 1
B(1)
165-5647 Valve Seat Extractor 1
C(1)
6V-4804 Handle 1
D(1)
6V-4192 Shaft 1
E(1)
6V-4199 Lifting Bracket 1
(1)
Part of the 166-7441 Valve Seat Extractor Tool Group
Start By:
a. Remove the inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and
Exhaust Valves - Remove and Install".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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10. Illustration 1 g00987231
Illustration 2 g00987198
Note: Replace Tooling (A) with Tooling (B) for the removal of the inlet valve seat insert.
1. Install Tooling (A) in the exhaust valve seat insert.
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11. 2. Install Tooling (C) and Tooling (D) in Tooling (A). Hand tighten Tooling (D). Tooling (A)
will expand below the edge of valve seat insert (1).
Illustration 3 g00987225
3. Install Tooling (E) on the cylinder head under Tooling (C). Hold Tooling (D) while you turn
Tooling (C). Remove valve seat (1).
Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
F 149-6115 Installer 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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12. Illustration 4 g00987231
Note: Do not machine the prefinished valve seat inserts in order to correct the valve stem
projection. An excessive valve stem projection indicates that the valve seat insert is not
seated or material was not cleaned from the bottom of the counterbore.
1. Turn Tooling (F) upside-down and use Tooling (F) and a press to install valve seat inserts
(1) in the cylinder head assembly.
End By:
a. Install the inlet and exhaust valves. Refer to Disassembly and Assembly, "Inlet and Exhaust
Valves - Remove and Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Tue Jul 14 22:21:18 UTC+0800 2020
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13. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 325C EXCAVATOR BLX
Configuration: ISJ HEX COMMONALITY CHART BLX00001-UP (MACHINE)
Disassembly and Assembly
3126B Engines for Caterpillar Built Machines
Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018
i02221389
Engine Oil Filter Base - Remove
SMCS - 1306-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 185-3630 Strap Wrench Assembly 1
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.
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14. Dispose of all fluids according to local regulations and mandates.
Note: Remove the turbocharger, if necessary. Refer to Disassembly and Assembly,
"Turbocharger - Remove".
Illustration 1 g01026328
1. Remove oil filter assembly (1) with Tooling (A).
2. Disconnect tube assembly (2) from the elbow assembly.
3. Remove engine oil filter base (3).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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15. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 325C EXCAVATOR BLX
Configuration: ISJ HEX COMMONALITY CHART BLX00001-UP (MACHINE)
Disassembly and Assembly
3126B Engines for Caterpillar Built Machines
Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018
i02229026
Engine Oil Filter Base - Disassemble
SMCS - 1306-015
Disassembly Procedure
Start By:
a. Remove the engine oil filter base and the oil cooler. Refer to Disassembly and Assembly,
"Engine Oil Filter Base and Oil Cooler - Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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16. Illustration 1 g01124604
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
(1) Oil cooler bypass valve
(2) Oil filter bypass valve
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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17. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 325C EXCAVATOR BLX
Configuration: ISJ HEX COMMONALITY CHART BLX00001-UP (MACHINE)
Disassembly and Assembly
3126B Engines for Caterpillar Built Machines
Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018
i02229174
Engine Oil Filter Base - Assemble
SMCS - 1306-016
Assembly Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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18. Illustration 1 g01124604
Improper assembly of parts that are spring loaded can cause bodily
injury.
To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
(1) Oil cooler bypass valve
(2) Oil filter bypass valve
End By:
a. Install the engine oil filter base and the oil cooler. Refer to Disassembly and Assembly,
"Engine Oil Filter Base and Oil Cooler - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Tue Jul 14 22:24:05 UTC+0800 2020
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19. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 325C EXCAVATOR BLX
Configuration: ISJ HEX COMMONALITY CHART BLX00001-UP (MACHINE)
Disassembly and Assembly
3126B Engines for Caterpillar Built Machines
Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018
i02473092
Engine Oil Filter Base - Install
SMCS - 1306-012
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 185-3630 Strap Wrench Assembly 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
1/3
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20. Illustration 1 g01026328
Illustration 2 g01185803
1. Position the gasket and engine oil filter base (3) over the engine oil cooler.
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21. 2. Install the bolts that hold engine oil filter base (3) to the cylinder block. Tighten the bolts in
sequence according to the following procedure:
a. Tighten Bolt (1) through Bolt (15) in a numerical sequence to a torque of 15 N·m (11
lb ft).
b. Tighten Bolt (1) through Bolt (15) in a numerical sequence to a torque of 28 N·m (21
lb ft).
3. Connect tube assembly (2) to engine oil filter base (3) .
4. Install oil filter assembly (1) with Tooling (A) . Follow the instructions with the oil filter
assembly for the correct installation.
Note: Install the turbocharger, if necessary. Refer to Disassembly and Assembly,
"Turbocharger - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Tue Jul 14 22:25:01 UTC+0800 2020
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22. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 325C EXCAVATOR BLX
Configuration: ISJ HEX COMMONALITY CHART BLX00001-UP (MACHINE)
Disassembly and Assembly
3126B Engines for Caterpillar Built Machines
Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018
i02958037
Engine Oil Cooler - Remove
SMCS - 1378-011
Removal Procedure
Start By:
a. Remove the engine oil filter base. Refer to Disassembly and Assembly, "Engine Oil Filter
Base - Remove".
Personal injury can result from hot coolant, steam and alkali.
At operating temperature, engine coolant is hot and under pressure. The
radiator and all lines to heaters or the engine contain hot coolant or
steam. Any contact can cause severe burns.
Remove cooling system pressure cap slowly to relieve pressure only
when engine is stopped and cooling system pressure cap is cool enough
to touch with your bare hand.
Do not attempt to tighten hose connections when the coolant is hot, the
hose can come off causing burns.
Cooling System Coolant Additive contains alkali. Avoid contact with
skin and eyes.
NOTICE
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23. 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.
Illustration 1 g01026362
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24. 1. Remove engine oil cooler (1) and the gasket from the cylinder block.
2. Remove O-ring seals (2) from the cylinder block.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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25. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 325C EXCAVATOR BLX
Configuration: ISJ HEX COMMONALITY CHART BLX00001-UP (MACHINE)
Disassembly and Assembly
3126B Engines for Caterpillar Built Machines
Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018
i01979965
Engine Oil Cooler - Install
SMCS - 1378-012
Installation Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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26. Illustration 1 g01026362
1. Install O-ring seals (2) in the cylinder block.
2. Put the gasket and engine oil cooler (1) in the cylinder block.
End By:
a. Install the engine oil filter base. Refer to Disassembly and Assembly, "Engine Oil Filter
Base - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
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27. Thank you very much for
your reading. Please Click
Here. Then Get COMPLETE
MANUAL. NO WAITING
NOTE:
If there is no response to
click on the link above,
please download the PDF
document first and then
click on it.
28. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 325C EXCAVATOR BLX
Configuration: ISJ HEX COMMONALITY CHART BLX00001-UP (MACHINE)
Disassembly and Assembly
3126B Engines for Caterpillar Built Machines
Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018
i01980628
Engine Oil Pump - Remove
SMCS - 1304-011
Removal Procedure
Start By:
a. Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove
and Install".
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.
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29. Illustration 1 g01029320
1. Remove bolts (1) and bolt (2).
2. Remove engine oil pump (3).
3. Remove the O-ring seal that is located between the cylinder block and the outlet elbow.
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All Rights Reserved.
Private Network For SIS Licensees.
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30. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 325C EXCAVATOR BLX
Configuration: ISJ HEX COMMONALITY CHART BLX00001-UP (MACHINE)
Disassembly and Assembly
3126B Engines for Caterpillar Built Machines
Media Number -SENR9581-06 Publication Date -01/08/2018 Date Updated -17/08/2018
i02369464
Engine Oil Pump - Disassemble
SMCS - 1304-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 8B-7554 Bearing Cup Puller Gp 1
Start By:
a. Remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump -
Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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