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.
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.
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.
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.
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!
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.
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!
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.:
1. Agricultural : Supporting Primary and Secondary Agriculture
• Scope: Provide support solutions to enhance agricultural productivity and sustainability.
• Target Areas: Polokwane, Tzaneen, Thohoyandou, Makhado, and Giyani.
2. Automotive Sector: Partnerships with Mechanics and Panel Beater Shops
• Scope: Develop collaborations with automotive service providers to improve service quality and business operations.
• Target Areas: Polokwane, Lephalale, Mokopane, Phalaborwa, and Bela-Bela.
3. Empowerment : Focusing on Women Empowerment
• 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.
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.
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’!
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.
2. Shutdown SIS
Previous Screen
Product: WHEEL LOADER
Model: 938F WHEEL LOADER 2RM
Configuration: 938F Wheel Loader 2RM00001-UP (MACHINE) POWERED BY 3116 Engine
Disassembly and Assembly
938F WHEEL LOADER POWER TRAIN
Media Number -SENR6706-04 Publication Date -01/08/2004 Date Updated -26/10/2004
SENR67060016
Axle Shaft Assemblies
SMCS - 3260-017
Disassemble & Assemble Axle Shaft Assemblies
Start By:
a. remove front axle housing group (fixed)
b. remove rear axle housing group (oscillating)
NOTE: The axle shaft assemblies used in the front and rear axle housing groups are similar. The
removal, disassembly, assembly and installation procedures are the same for both axle groups.
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3. Typical Example
1. Install the axle housing group on Tool (G) in a vertical position as shown.
2. Fasten Tool (A) and a hoist to the rim flange of the axle shaft as shown. Remove twenty six
bolts (1) and the washers that hold axle shaft assembly (2) to the differential housing. Carefully
remove the axle shaft assembly. The weight of the axle shaft assembly is approximately 295 kg
(650 lb).
3. Remove the bottom half of the axle housing group from Tool (G). Install axle shaft assembly
(2) on Tool (G) with planetary carrier assembly (5) facing up as shown.
NOTE: To completely remove retaining ring (3) from the axle shaft assembly, planetary carrier
assembly (5) must be removed and disassembled.
4. Use Tool (B) to remove retaining ring (3) from the groove in the end of axle shaft (4). Position
the retaining ring in the planetary carrier.
5. Fasten Tool (C) and a hoist to planetary carrier assembly (5) as shown. Remove the planetary
carrier assembly from the axle shaft housing. The weight of the planetary carrier assembly is
approximately 80 kg (175 lb).
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4. 6. Disassemble planetary carrier (5) as follows:
a. Using a hammer and punch, push spring pin (7) all the way into shaft (6).
b. Remove shaft (6), thrust washers (11) and (8) and planetary gear (10) from the carrier.
c. Remove bearing (9) from planetary gear (10).
d. Remove spring pin (7) from shaft (6) with a hammer and punch.
e. Remove the other two planetary gears (10) from the carrier as in Steps 6a through 6d.
f. Remove retaining ring (3) from the carrier.
The axle shaft housing has been removed from the axle shaft for better photo illustration of mounting the axle shaft to
Tool (G).
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5. 7. Fasten the rim flange of the axle shaft to Tool (G) with suitable size bolts as shown in Photo
C42124P1. Installation of the bolt will prevent the axle shaft from turning when bearing nut (12)
is removed. Use Tooling (D) to remove bearing nut (12) from the axle shaft.
8. Fasten Tooling (A) and a hoist to the axle shaft housing as shown. Put slight lifting tension on
the axle shaft housing.
NOTE: The bearing cone which is located under bearing nut (12) will be removed at the same
time that the axle shaft is being removed from the shaft.
9. Fasten Tool (E) to the axle shaft housing as shown. Put a hand operated hydraulic jack between
Tool (E) and the end of the axle shaft as shown. Operate the hydraulic jack to push the axle shaft
housing and inner bearing cone off of the axle shaft. Remove the axle shaft housing and inner
bearing cone from the axle shaft. The weight of the axle shaft housing is approximately 105 kg
(231 lb).
10. Remove the inner bearing cone from the axle shaft housing.
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6. Typical Example
11. Remove inner bearing cup (13) from the axle shaft housing.
NOTICE
Ring gear (14) will be destroyed when it is removed from the axle shaft
housing.
12. Remove ring gear (14) from the axle shaft housing. Using a torch, cut the ring gear in two
places 180° apart. Cut the ring gear at the position of the locating dowels in the axle shaft housing.
An alternate method is to make three welds equally spaced around the circumference of the ring
gear to cause it to shrink. Remove the locating dowels for ring gear (14).
13. Remove Duo-Cone seal (15) and outer bearing cup (16) from the opposite end of the axle shaft
housing.
14. Remove Duo-Cone seal (18) and outer bearing cone (17) from the axle shaft.
NOTE: The following steps are for the assembly of the axle shaft assemblies.
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7. 15. Fasten the rim flange of the axle shaft to Tool (G) with suitable size bolts as shown. Heat outer
bearing cone (17) to a maximum temperature of 135°C (275°F), and install the bearing cone on
the axle shaft as shown. Be sure the bearing cone is seated against the shoulder on the end of the
axle shaft. Allow the bearing cone and shaft to cool.
NOTICE
See, "Assembly And Installation Of Conventional Duo-Cone Seals" in
this module.
NOTE: The rubber seals and all surfaces that make contact with the seals must be clean and dry.
After installation of the seals, put clean SAE 30 oil on the contact surfaces of the metal seals.
16. Use Tool (F) to install the Duo-Cone seal in the end of the axle shaft.
17. Lower the temperature of outer bearing cup (16), and install it in the end of the axle shaft
housing as shown. Be sure the bearing cup is seated all the way down in the axle shaft housing.
NOTICE
See, "Assembly And Installation Of Conventional Duo-Cone Seals" in
this module.
NOTE: The rubber seals and all surfaces that make contact with the seals must be clean and dry.
After installation of the seals, put clean SAE 30 oil on the contact surfaces of the metal seals.
18. Use Tool (F) to install the Duo-Cone seal in the end of the axle shaft.
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8. 19. Lower the temperature of inner bearing cup (13), and install it in the opposite end of axle shaft
housing as shown. Be sure the bearing cup is seated all the way down against the shoulder in the
axle shaft housing.
NOTE: Dowels (19) are used to locate and hold ring gear (14) in position in the axle shaft
housing.
20. Locate the position of the ring gear in relation to the axle shaft housing by aligning the half
holes for the locating dowels. Put alignment marks on the ring gear and axle shaft housing to
ensure correct installation.
21. Lower the temperature of ring gear (14) to a temperature of -38°C (-36°F). Install dowels (19)
in the half holes on the outside diameter of the ring gear. Use an O-ring seal or rubber band to
hold the dowels in position.
22. Using a press, install ring gear (14) in the axle shaft housing. Install the ring gear with the
chamfered side down. As the ring gear is being pressed into the axle shaft housing, it will be
necessary to tap dowels (19) down along with the ring gear. After installation, the ring gear should
be even or slightly below the machined surface of the axle shaft housing. The dowels must be
flush with the ring gear.
23. Put a thin coat of SAE 30 oil on the outer bearing cone on the end of the axle shaft and on the
contact surfaces of the Duo-Cone seal on the end of the axle shaft and in the axle shaft housing.
Fasten Tool (A) and a hoist to the axle shaft housing as shown. Lower the axle shaft housing onto
the axle shaft.
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9. 24. Heat inner bearing cone (20) to a maximum temperature of 135°C (275°F). Install the inner
bearing cone on the axle shaft with slight end play remaining. After the inner bearing cone cools,
lubricate it with clean SAE 30 oil.
NOTICE
The adjusting nut (12) must be installed with side that has the part
number facing away from inner bearing cone (20).
25. Put clean SAE 30 oil on bearing nut (12). Install bearing nut (12) on the axle shaft. Tighten the
nut until only a small amount of end play remains in the axle shaft assembly.
26. Install a FT2530 Rolling Torque Bar (H) on the axle shaft housing. With no bearing preload,
rotate the axle shaft housing using a torque wrench. Record the rolling torque from the seal drag
needed to rotate the axle shaft housing, or if the tools are not available, use the following formula.
Where:
"SDT" is the actual seal drag torque (in N·m).
"C" is the reading on the torque wrench (in N·m).
"B" is the length of the torque wrench (in meters).
"A" is the bolt circle radius of the axle housing in meters and is equal to .213 m (8.836 in).
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10. 27. While turning the axle housing with a torque wrench and Tooling (D) tighten bearing nut (12)
so that the rolling torque with the preload is 4.0 to 9.0 N·m (36 to 80 lb in).
Where:
"C" is the reading on the torque wrench (in N·m).
"B" is the length of the torque wrench (in meters).
"A" is the bolt circle radius of the axle housing in meters and is equal to .213 m (8.386 in).
"T" is the rolling torque specification for axle bearing preload which is 4.3 to 5.5 N·m (38 to 50 lb
in).
"SDT" is the actual seal drag torque (in N·m) from Step 26.
28. Check to be sure there is zero end play in the axle shaft.
29. If the axle bearing preload rolling torque exceeds the specification, back off bearing nut (12)
by 1/8 turn, and reseat the bearing against the bearing nut. Perform Step 27 again.
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11. 30. Assemble planetary carrier assembly (5) as follows:
a. Install retaining ring (3) in the carrier.
b. Put clean SAE 30 oil on all parts of planetary carrier assembly (5).
c. Install bearing (9) in planetary gear (10).
d. Put thrust washers (11) and (8) on each side of planetary gear (10), and install the planetary
gear in the carrier.
e. Install shaft (6) in the carrier. Be sure the spring pin hole in the shaft is in alignment with the
spring pin hole in the carrier. Install a new spring pin in the carrier and shaft. Install the spring pin
slightly below the outside surface of the carrier.
f. Install the other two planetary gears in the carrier as in Steps 30a through 30e.
31. Fasten Tool (C) and a hoist to planetary carrier assembly (5). Lower the planetary carrier
assembly into the axle housing. As the planetary carrier assembly is being lowered into position,
align the flat on the hub of the planetary carrier assembly with the flat on bearing nut (12).
32. Use Tool (B) to install retaining ring (3). Check to be sure that the retaining ring is fully seated
in the groove in the axle shaft.
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12. 33. Remove axle shaft assembly (2) from Tool (G). Reinstall the bottom half of the axle housing
group on Tool (G).
34. Put 6V-6640 Sealant on the machined surface of the axle shaft housing and on the
intermediate housing assembly. Fasten Tool (A) and a hoist to the rim flange on the axle shaft. Put
axle shaft assembly (2) in position on the differential housing. Install twenty six washers and bolts
(1) that hold it. Tighten the bolts to a torque of 300 ± 40 N·m (220 ± 30 lb ft).
End By:
a. install rear axle housing group (oscillating)
b. install front axle housing group (fixed)
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sun Apr 12 18:46:24 UTC+0800 2020
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13. Shutdown SIS
Previous Screen
Product: WHEEL LOADER
Model: 938F WHEEL LOADER 2RM
Configuration: 938F Wheel Loader 2RM00001-UP (MACHINE) POWERED BY 3116 Engine
Disassembly and Assembly
938F WHEEL LOADER POWER TRAIN
Media Number -SENR6706-04 Publication Date -01/08/2004 Date Updated -26/10/2004
SENR67060017
Brake Groups
SMCS - 4250-010
Remove & Install Brake Groups
Start By:
a. remove axle shaft assemblies
NOTE: The brake group used in the front and rear axle housing groups is the same.
1. Remove reaction plate (1).
2. Remove three springs (2), sun gear (3) and friction disc (4).
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14. Brake piston (5) must be removed from the intermediate housing
assembly with shop air pressure. The brake piston can come out of the
intermediate housing assembly with force during the removal
procedure. To prevent possible personal injury, the brake piston must
be retained in the intermediate housing assembly when applying shop
air pressure.
3. While retaining the brake piston, apply shop air pressure (free of water) of approximately 525
kPa (75 psi) to fitting (Y). Brake piston (5) will move up and out of the intermediate housing
assembly.
4. Remove seal (6) and seal assembly (7) with the back-up ring.
NOTE: The following steps are for the installation of the brake group.
NOTE: Lubricate all seals with SAE 30 oil.
5. Install seal (6) and seal assembly (7) with the back-up ring. Seal assembly (7) consists of an L-
shaped seal and a back-up ring. Put the L-shaped seal with the flat side towards the differential.
Put the back-up ring in position away from the differential.
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15. 6. Install piston (5) in the intermediate housing assembly.
NOTICE
The continued use of the friction disc with 7.65 mm (.301 in) or less
friction material (depth of oil groove) will result in accelerated wear.
Do not use the disc color as an indication for wear, the overall
thickness and groove depth are more important.
7. Inspect friction disc (4) for wear. Replace the friction disc if the friction material thickness if
7.65 mm (.301 in) or less. Immerse the friction disc in clean SAE 30 oil. Install friction disc (4),
sun gear (3) and three springs (2).
8. Install reaction plate (1).
End By:
a. install axle shaft assemblies
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sun Apr 12 18:47:20 UTC+0800 2020
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16. Shutdown SIS
Previous Screen
Product: WHEEL LOADER
Model: 938F WHEEL LOADER 2RM
Configuration: 938F Wheel Loader 2RM00001-UP (MACHINE) POWERED BY 3116 Engine
Disassembly and Assembly
938F WHEEL LOADER POWER TRAIN
Media Number -SENR6706-04 Publication Date -01/08/2004 Date Updated -26/10/2004
SENR67060018
Differentials & Pinion Assemblies
SMCS - 3280-017
Remove & Install Differentials & Pinion Assemblies
Start By:
a. remove front axle housing group (fixed)
b. remove rear axle housing group (oscillating)
1. Remove one of the brake groups from the axle housing group. See the topic, "Remove & Install
Brake Groups" in this module.
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17. 2. Fasten a hoist to intermediate housing assembly (1) as shown. Remove the four bolts that hold
intermediate housing assembly (1) to the differential center housing. Remove the intermediate
housing assembly. The weight of the intermediate housing assembly is approximately 57 kg (125
lb).
3. Remove bolt (2) and washer (3).
NOTE: Two different size adjusting nuts are used in the bevel gear group. Use Tool (E) or (F) to
remove the appropriate size adjusting nuts.
4. Use appropriate Tool (E) or (F), to remove adjusting nut (4). Remove the pin, sleeve (6) and
bearing cup (7) from intermediate housing assembly (1).
5. Remove two of the bolts (8), located 180 degrees apart from each other, that hold the pinion
assembly to the differential center housing. Install two suitable size guide bolts that are
approximately 152.4 mm (6.00 in) long in the bolt holes, as shown.
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18. 6. Remove the remaining bolts (8) that hold the pinion assembly to the differential center housing.
Slide the pinion out on the guide bolts far enough to install Tool (A). Fasten a hoist to the pinion
assembly as shown.
7. Remove the pinion assembly from the differential center housing. The weight of the pinion
assembly is approximately 66 kg (145 lb). Remove the shims and O-ring seal from the pinion
housing.
8. Fasten Tool (A) and a hoist to the differential as shown. Carefully lift the differential out of the
differential center housing. The weight of the differential is approximately 109 kg (240 lb).
9. Turn the remainder of the axle housing group over, and fasten it to the transmission repair stand.
Fasten Tool (B) and a hoist to the rim flange on axle shaft assembly (9) as shown. Remove twenty
six bolts (10) and the washers that hold the axle shaft assembly to the differential center housing.
Remove the axle shaft assembly. The weight of the axle shaft assembly is approximately 295 kg
(650 lb).
10. Remove the brake group from the differential center housing. See "Remove & Install Brake
Groups" in this module.
11. Repeat Steps 2 through 4 to remove and disassemble the other intermediate housing assembly
(1) that is on the differential center housing.
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19. 12. Remove bearing cone (11) from the differential with Tool (C).
13. Turn the differential over, and remove bearing cone (12) with Tool (D).
14. Use a press to remove the four large spring pins and four small spring pins (13) from the
differential.
15. Remove twenty bolts (14) that hold bevel gear (15) in position. Using a press, remove bevel gear
(15) from the differential.
NOTE: The following procedure is for the installation of the differential and pinion assembly. Also,
the following procedure controls bearing preload and gives the same results for new or used
bearings.
NOTE: Several bolts and washers are used to secure parts i the differential during shipping. The
bolts and washers are used for storage and shipping purposes only. The bolts and washers need to be
removed before installation of the differential.
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20. 16. Heat bevel gear (15) to a temperature of 135°C (275°F) for a maximum of four hours. Install the
bevel gear on the differential.
17. Install four large pins (13) partially into bevel gear (15). Install four small pins (13) into the
larger pins. Press the pins into bevel gear (15) until they are even with the outside surface of the
bevel gear. Install twenty bolts (14) that hold the bevel gear to the differential. Tighten bolts (14) to
a torque of 95 ± 10 N·m (70 ± 7 lb ft). Tighten each bolt an additional 180 degrees ± 5 degrees.
Check to be sure the bevel gear is seated on the differential group shoulder.
18. Press bearing cone (11) and bearing cone (12) on the differential case. Check for full seating of
the bearing cones.
NOTE: Cup freezing or cone heating may be used if cups or cones are reset with a driver or press
after the parts have reached a uniform temperature. Limit cone heating to 135°C (275°F) maximum
for a maximum of 4 hours. Lubricate the bearings after they have cooled to prevent rusting.
19. Install bearing cup (7), sleeve (6) and the pin in the intermediate housing. Lubricate the threads
on the adjusting nut (4), and install it in intermediate housing assembly (1).
20. Assemble the other intermediate housing (1) as in Step 19.
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21. 21. Position the differential center housing on a transmission repair stand with the open side facing
upward. Fasten Tool (A) and a hoist to the differential, and lower it onto the three dowels in the
differential center housing.
22. Fasten a hoist to intermediate housing assembly (1). Install the intermediate housing assembly
on the differential center housing. Install and tighten the four bolts that hold it.
NOTE: Use the original thickness of shims or a new shim pack measured to the same thickness as
the original pack. If the original shim pack is not available, use 70% of a new shim pack.
23. Lubricate and install the O-ring seal used on the pinion housing. Install the original shim pack on
the pinion housing. Install the two guide bolts in the differential center housing. Fasten Tool (A) and
a hoist to the pinion assembly, and install it in the differential center housing. Install twelve bolts (8)
that hold the pinion assembly in position. Tighten the bolts to a torque of 300 ± 40 N·m (220 ± 30 lb
ft).
NOTE: The shim pack thickness may have to be changed when adjusting the tooth contact pattern
between the bevel gear and pinion shaft.
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22. 24. Reposition the differential center housing on the transmission repair stand so the differential
center housing and the pinion assembly are horizontal (the same position as they are in the vehicle).
25. Tighten the adjusting nuts (4) and (26) with Tool (E) and (F) to a position that maintains gear
backlash (but not tight gear mesh) and a slight bearing end play.
26. Measure the torque required to rotate the pinion shaft. Record the measured torque. Use a 1U-
6690 Socket on the pinion shaft nut for this measurement.
27. While rotating the pinion shaft back and forth, tighten adjusting nut (26) to zero backlash
position. The back off adjusting nut (26) 20 degrees.
28. Tighten adjusting nut (4) while rotating the pinion shaft. Tighten nut (4) until a torque increase
of 0.2 to 0.6 N·m (2.0 to 5.0 lb in) over the torque recorded in Step 26 is measured. This is the
bearing seated position.
29. Tighten adjusting nut (4) 60° plus the increment to the nearest lock position. This will set the
bearing preload as well as the bevel gear backlash.
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24. Pinion Shaft Spline (backlash measurement)
(A) Distance of dial indicator from pinion centerline.
NOTE: As a check for correct assembly and adjustment, the rolling torque of the bevel gear group
measured at the pinion shaft should be 1.4 to 2.4 N·m (13 to 22 lb in) for new bearings and 0.7 to
1.2 N·m (6 to 11 lb in) for used bearings.
30. Measure the backlash between bevel gear (15) and the pinion shaft. The backlash must be 0.25 +
0.10 - 0.08 mm (.010 + .004 - .003 in). Do this by placing a dial indicator (as shown) tangent to the
spline, making sure the yoke or spline adapter is tight to the spline.
31. The following chart gives examples of backlash at the pinion shaft, by showing the different
distances from the pinion centerline to the dial indicator:
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25. 32. If the backlash does not meet specifications, loosen one adjusting nut the same amount as the
opposite adjusting nut is tightened. This will maintain the bearing preload.
Illustration A
33. After the backlash and preload adjustments have been made, the tooth contact between pinion
shaft and bevel gear (15) must be checked. Do the procedure that follows:
a. Put a small amount of Prussian blue, red lead or paint on three or four adjacent teeth of
bevel gear (15).
b. Rotate the pinion shaft several revolutions in one direction and then several revolutions in
the opposite direction. Then turn the pinion shaft in one direction until the marked teeth can
be seen.
c. The correct area of tooth contact starts near the inside end of the teeth of bevel gear (15)
and goes a maximum of 50% of the length of the teeth. See Illustration A for an example of
the correct area of tooth contact.
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26. Illustration B
34. If the tooth contact looks like the marks in Illustration B, do the procedure that follows:
a. Remove some of the shims from behind the pinion housing.
b. Do Steps 29, 30 and 31 for the backlash adjustment procedure again.
c. Do Step 32 again.
Illustration C
35. If the tooth contact looks like the marks in Illustration C, do the procedure that follows:
a. Add shims behind the pinion housing.
b. Do Steps 29, 30 and 31 again.
c. Do Step 32 again.
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