This document provides instructions for removing and installing the idler gear in the front gear group of a C4.2 engine. The removal procedure involves using various tools to remove the idler gear bolt, thrust plate, idler gear, bushing, and idler shaft. The installation procedure specifies cleaning parts and using tools to install the bushing, idler shaft, idler gear, thrust plate, washer, and idler gear bolt while ensuring proper gear alignment and backlash. Tolerances for backlash and clearances are provided.
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.
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.
"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.
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.
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.
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.
Comprehensive program for Agricultural Finance, the Automotive Sector, and Empowerment . We will define the full scope and provide a detailed two-week plan for identifying strategic partners in each area within Limpopo, including target areas.:
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• Scope: Provide business support support and training to women-owned businesses, promoting economic inclusion.
• Target Areas: Polokwane, Thohoyandou, Musina, Burgersfort, and Louis Trichardt.
We will also prioritize Industrial Economic Zone areas and their priorities.
Sign up on https://profilesmes.online/welcome/
To be eligible:
1. You must have a registered business and operate in Limpopo
2. Generate revenue
3. Sectors : Agriculture ( primary and secondary) and Automative
Women and Youth are encouraged to apply even if you don't fall in those sectors.
What Does the Active Steering Malfunction Warning Mean for Your BMWTanner Motors
Discover the reasons why your BMW’s Active Steering malfunction warning might come on. From electrical glitches to mechanical failures and software anomalies, addressing these promptly with professional inspection and maintenance ensures continued safety and performance on the road, maintaining the integrity of your driving experience.
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.
Core technology of Hyundai Motor Group's EV platform 'E-GMP'Hyundai Motor Group
What’s the force behind Hyundai Motor Group's EV performance and quality?
Maximized driving performance and quick charging time through high-density battery pack and fast charging technology and applicable to various vehicle types!
Discover more about Hyundai Motor Group’s EV platform ‘E-GMP’!
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.
What Exactly Is The Common Rail Direct Injection System & How Does It WorkMotor Cars International
Learn about Common Rail Direct Injection (CRDi) - the revolutionary technology that has made diesel engines more efficient. Explore its workings, advantages like enhanced fuel efficiency and increased power output, along with drawbacks such as complexity and higher initial cost. Compare CRDi with traditional diesel engines and discover why it's the preferred choice for modern engines.
Things to remember while upgrading the brakes of your carjennifermiller8137
Upgrading the brakes of your car? Keep these things in mind before doing so. Additionally, start using an OBD 2 GPS tracker so that you never miss a vehicle maintenance appointment. On top of this, a car GPS tracker will also let you master good driving habits that will let you increase the operational life of your car’s brakes.
2. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312D EXCAVATOR RHL
Configuration: 312D & 312D L Excavators RHL00001-UP (MACHINE) POWERED BY C4.2 Engine
Disassembly and Assembly
C4.2 Engine for Caterpillar Built Machines
Media Number -KENR8105-04 Publication Date -01/06/2013 Date Updated -12/06/2013
i02742863
Gear Group (Front) - Remove - Idler Gear Only
SMCS - 1206-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 9U-6148 Idler Shaft Puller 1
B 1P-0510 Driver Group 1
Start By:
a. Remove the front housing. Refer to Disassembly and Assembly, "Housing (Front) -
Remove".
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
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3. 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 g01374732
(1) Fuel injection pump drive gear
(2) Idler gear
(3) Camshaft gear
(4) Crankshaft gear
Note: The No. 1 cylinder is at the top center position when these marks are in alignment.
Note: Ensure that the marks on the timing gears are in alignment.
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4. Illustration 2 g01374789
1. Remove idler gear bolt (5) and the washer from the idler gear shaft .
2. Remove thrust plate (6) from the idler gear shaft.
Illustration 3 g01374793
3. Remove idler gear (2) from the idler gear shaft.
Illustration 4 g01374804
4. If necessary, use Tooling (B) and a suitable press in order to remove bushing (7) (not
shown) from idler gear (2).
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5. Illustration 5 g01374810
Illustration 6 g01374811
5. The following items are components of Tooling (A).
◦ 9U-6147 Stud (9)
◦ 6V-8231 Nut (10)
◦ 9U-6146 Sleeve Assembly (11)
◦ 8T-4244 Nut (12)
6. Use Tooling (A) in order to remove idler shaft (8) (not shown) from the cylinder block.
Check idler shaft (8) for wear and damage. Replace idler shaft (8), if necessary.
Note: See the following list for the removal of the other gears in the front gear group.
◦ In order to remove camshaft gear (3), refer to Disassembly and Assembly, "Camshaft
- Remove".
◦ In order to remove fuel injection pump gear (1), refer to Disassembly and Assembly,
"Fuel Injection Pump - Remove".
◦ In order to remove the gear from the engine oil pump, refer to Disassembly and
Assembly, "Engine Oil Pump - Remove".
◦ In order to remove crankshaft gear (4), refer to Disassembly and Assembly,
"Crankshaft Gear - Remove and Install".
Copyright 1993 - 2020 Caterpillar Inc.
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6. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312D EXCAVATOR RHL
Configuration: 312D & 312D L Excavators RHL00001-UP (MACHINE) POWERED BY C4.2 Engine
Disassembly and Assembly
C4.2 Engine for Caterpillar Built Machines
Media Number -KENR8105-04 Publication Date -01/06/2013 Date Updated -12/06/2013
i02879402
Gear Group (Front) - Install - Idler Gear Only
SMCS - 1206-012
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
a 1p-0510 Driver Gp 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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7. Illustration 1 g01374804
1. Use Tooling (A) and a suitable press in order to install a new bushing (7) (not shown), if the
bushing was removed.
Illustration 2 g01374810
2. Lower the temperature of idler shaft (8) . Install idler shaft (8) (not shown) onto the cylinder
block.
Note: When idler shaft (8) is installed, ensure that the oil hole of idler shaft (8) is up.
Illustration 3 g01374827
3. Install idler gear (2) onto idler shaft (8) .
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8. Illustration 4 g01374732
(1) Fuel injection pump drive gear
(2) Idler gear
(3) Camshaft gear
(4) Crankshaft gear
Note: The No. 1 cylinder is at the top center position when these marks are in alignment.
Note: Ensure that the marks on the timing gears are in alignment.
Illustration 5 g01374789
4. Install thrust plate (6) onto the idler shaft.
5. Install the washer and idler gear bolt (5) onto thrust plate (6) . Tighten idler gear bolt (5) to a
torque of 34 ± 5 N·m (25 ± 4 lb ft).
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9. Note: See the following list for the installation of the other gears in the front gear group.
◦ In order to install the camshaft gear, refer to Disassembly and Assembly, "Camshaft -
Install".
◦ In order to install the fuel injection pump gear, refer to Disassembly and Assembly,
"Fuel Injection Pump - Install".
◦ In order to install the gear to the engine oil pump, refer to Disassembly and
Assembly, "Engine Oil Pump - Install".
◦ In order to install the crankshaft front gear, refer to Disassembly and Assembly,
"Crankshaft Gear - Remove and Install".
Illustration 6 g01374841
6. Install a dial indicator and rotate idler gear (2) back and forth in order to measure backlash.
Refer to Table 3.
Table 2
Item Standard at Assembly Service Limit
Backlash of crankshaft gear and
idler gear
0.510 to 0.157 mm (0.0201 to
0.0062 inch)
0.250 mm (0.0098
inch)
Backlash of camshaft gear and
idler gear
0.520 to 0.158 mm (0.0205 to
0.0062 inch)
0.250 mm (0.0098
inch)
Backlash of fuel injection pump
gear and idler gear
0.0560 to 0.205 mm (0.0022 to
0.0081 inch)
0.250 mm (0.0098
inch)
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10. End play of idler gear
0.050 to 0.200 mm (0.0020 to
0.0079 inch)
0.350 mm (0.0138
inch)
Clearance between idler gear
bushing and shaft
0.009 to 0.050 mm (0.0004 to
0.0020 inch)
0.100 mm (0.0039
inch)
Illustration 7 g01374874
7. Measure the end play of idler gear (2) with a feeler gauge. Refer to Table 3.
End By: Install the front housing. Refer to Disassembly and Assembly, "Housing (Front) -
Install".
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All Rights Reserved.
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11. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312D EXCAVATOR RHL
Configuration: 312D & 312D L Excavators RHL00001-UP (MACHINE) POWERED BY C4.2 Engine
Disassembly and Assembly
C4.2 Engine for Caterpillar Built Machines
Media Number -KENR8105-04 Publication Date -01/06/2013 Date Updated -12/06/2013
i02743335
Housing (Front) - Remove
SMCS - 1151-011
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Group 1
Start By:
a. Remove the alternator. Refer to Disassembly and Assembly, "Alternator - Remove and
Install".
b. Remove the water pump. Refer to Disassembly and Assembly, "Water Pump - Remove".
c. Remove the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley -
Remove and Install".
d. Remove the fuel injection pump. Refer to Disassembly and Assembly, "Fuel Injection Pump
- Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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12. 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 g01374908
1. Loosen hose clamp (1) that secures hose (2) to the front housing.
2. Disconnect hose (2) from the front housing.
Illustration 2 g00605985
3. Remove bolts (3) and the washers that hold front housing (4) to the plate and the cylinder
block.
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13. 4. Remove six bolts (5) (not shown) and the washers that mount front housing (4) to the oil
pan.
Illustration 3 g00606002
5. Remove bolts (6) and the washers that mount front housing (4) to front plate (8) and the
cylinder block.
6. Use two people in order to remove front housing (4) from the cylinder block and front plate
(8). The weight of front housing (4) is approximately 20 kg (45 lb).
Note: Check the condition of gasket (7) (not shown) for the engine oil pan. If gasket (7) is
damaged, it may be necessary to replace gasket (7). Refer to Disassembly and Assembly,
"Engine Oil Pan - Remove and Install" for replacement of gasket (7) for the engine oil pan.
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14. Illustration 4 g01377884
7. Remove baffle plate (9).
Illustration 5 g01377894
8. Use Tooling (A) in order to remove crankshaft front seal (10) (not shown) from front
housing (4), if necessary.
9. Check the teeth of the timing gears for the following items: wear, nicks, chips and uneven
contact. Check the keyway for wear or damage.
Copyright 1993 - 2020 Caterpillar Inc.
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15. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312D EXCAVATOR RHL
Configuration: 312D & 312D L Excavators RHL00001-UP (MACHINE) POWERED BY C4.2 Engine
Disassembly and Assembly
C4.2 Engine for Caterpillar Built Machines
Media Number -KENR8105-04 Publication Date -01/06/2013 Date Updated -12/06/2013
i02879387
Housing (Front) - Install
SMCS - 1151-012
Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Group 1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: Check the gaskets, and the seals for wear or for damage. Replace the components, if
necessary.
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16. Illustration 1 g00836619
Alignment marks for timing gears
1. Check the alignment of the timing gears.
Note: Ensure that the marks on the timing gears are in alignment. Align the "3" mark on the
fuel injection pump drive gear with the "33" mark on the idler gear. Make an alignment of
the "2" mark on the idler gear with the "22" mark on the camshaft gear. Align the "1" mark
on the crankshaft gear with the "11" mark on the idler gear. The No. 1 cylinder is at the top
center position when the timing marks are in alignment.
Illustration 2 g00606022
2. Ensure that the old gasket material (9) is removed from the mating surface of front housing
(4) and the timing gear plate. Install a new gasket (9) .
3. If the crankshaft front seal (10) (not shown) was removed, use Tooling (A) in order to
install a new crankshaft front seal (10) .
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17. Illustration 3 g00606002
4. Before installation of front housing (4) , check gasket (7) (not shown) for the oil pan for
damage. Replace gasket (7) , if necessary. Refer to Disassembly and Assembly, "Engine Oil
Pan - Remove and Install" for replacement of gasket (7) for the engine oil pan.
5. Use two people in order to install front housing (4) onto front plate (8) and the cylinder
block. The weight of front housing (4) is approximately 20 kg (45 lb).
6. Install bolts (6) in order to fasten front housing (4) onto the cylinder block and front plate
(8) .
Illustration 4 g00605985
7. Install the washers and six bolts (5) (not shown) in order to secure front housing (4) onto
engine oil pan.
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18. 8. Install bolts (3) and washers that secure front housing (4) to the front plate and the cylinder
block.
Illustration 5 g01374908
9. Connect hose (2) to the front housing.
10. Tighten hose clamp (1) in order to secure hose (2) to the front housing.
End By:
a. Install the fuel injection pump. Refer to Disassembly and Assembly, "Fuel Injection Pump -
Install".
b. Install the crankshaft pulley. Refer to Disassembly and Assembly, "Crankshaft Pulley -
Remove and Install".
c. Install the water pump. Refer to Disassembly and Assembly, "Water Pump - Install".
d. Install the alternator. Refer to Disassembly and Assembly, "Alternator - Remove and
Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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19. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312D EXCAVATOR RHL
Configuration: 312D & 312D L Excavators RHL00001-UP (MACHINE) POWERED BY C4.2 Engine
Disassembly and Assembly
C4.2 Engine for Caterpillar Built Machines
Media Number -KENR8105-04 Publication Date -01/06/2013 Date Updated -12/06/2013
i01615486
Front Plate - Remove
SMCS - 1163-011
Removal Procedure
Start By:
a. Remove the idler gear. Refer to Disassembly and Assembly, "Gear Group (Front) -
Remove".
b. Remove the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove".
c. Remove the fuel injection pump. Refer to Disassembly and Assembly, "Fuel Injection Pump
- Remove".
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
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20. Illustration 1 g00611711
1. Remove one bolt (1) and the washer from the front plate (2).
2. Remove front plate (2) from the engine.
3. Remove gasket (3) (not shown) from the engine or from the front plate (2).
Note: Ensure that all mating surfaces are clear of old gaskets.
Note: Check the cylinder block for the following conditions: scale buildup, corrosion and
other damage.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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21. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312D EXCAVATOR RHL
Configuration: 312D & 312D L Excavators RHL00001-UP (MACHINE) POWERED BY C4.2 Engine
Disassembly and Assembly
C4.2 Engine for Caterpillar Built Machines
Media Number -KENR8105-04 Publication Date -01/06/2013 Date Updated -12/06/2013
i01576831
Front Plate - Install
SMCS - 1163-012
Installation Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00611711
1. Place gasket (3) (not shown) in position on the engine.
Note: Ensure that all mating surfaces are clear of old gaskets.
2. Place front plate (2) in position on the engine.
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22. 3. Install one bolt (1) and the washer in order to secure front plate (2) to the engine. Tighten
the bolt to a torque of 35 ± 5 N·m (26 ± 4 lb ft).
End By:
a. Install the fuel injection pump. Refer to Disassembly and Assembly, "Fuel Injection Pump -
Install".
b. Install the camshaft. Refer to Disassembly and Assembly, "Camshaft - Install".
c. Install the idler gear. Refer to Disassembly and Assembly, "Gear Group (Front) - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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23. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312D EXCAVATOR RHL
Configuration: 312D & 312D L Excavators RHL00001-UP (MACHINE) POWERED BY C4.2 Engine
Disassembly and Assembly
C4.2 Engine for Caterpillar Built Machines
Media Number -KENR8105-04 Publication Date -01/06/2013 Date Updated -12/06/2013
i02879389
Crankcase Breather - Remove and Install
SMCS - 1317-010
Removal Procedure
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, "Caterpillar Dealer Service
Tool Catalog" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
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24. Illustration 1 g01374569
1. Loosen clamps (3) and remove hose (2) .
2. Remove breather assembly (1) .
Installation Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01374569
1. Install new breather assembly (1) .
2. Install hose (2) and tighten hose clamps (3) .
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25. 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.
26. Shutdown SIS
Previous Screen
Product: EXCAVATOR
Model: 312D EXCAVATOR RHL
Configuration: 312D & 312D L Excavators RHL00001-UP (MACHINE) POWERED BY C4.2 Engine
Disassembly and Assembly
C4.2 Engine for Caterpillar Built Machines
Media Number -KENR8105-04 Publication Date -01/06/2013 Date Updated -12/06/2013
i02768517
Valve Mechanism Cover - Remove and Install
SMCS - 1107-010
Removal Procedure
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01384853
1. Remove bolts (1) and remove cover (2) .
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27. Illustration 2 g01385013
2. Disconnect hose (3) .
3. Remove bolts (4) and remove valve mechanism cover (5) and the O-ring seal.
Installation Procedure
Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the
components, if necessary.
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 3 g01385013
1. Position valve mechanism cover (5) and the O-ring seal. Install bolts (4). Tighten bolts (4)
to a torque of 18 ± 2 N·m (13 ± 1 lb ft).
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28. 2. Connect hose (3) .
Illustration 4 g01384853
3. Position cover (2) and install bolts (1). Tighten bolts (1) to a torque of 17 ± 2 N·m (13 ± 1 lb
ft).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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