This document provides instructions for servicing the power train of a Caterpillar 955K track loader, including:
- Checking and adjusting the alignment between the engine and transmission.
- Removing and installing the transmission, torque converter, and various transmission components.
- Disassembling and reassembling the planetary transmission and torque converter.
- Servicing the transmission hydraulic controls, lubrication system, and mounting adapter.
Detailed steps and diagrams are included to guide the disassembly and reassembly of the power train components. Safety precautions and specifications are provided where relevant.
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.
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.
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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.
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.
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3. Sectors : Agriculture ( primary and secondary) and Automative
Women and Youth are encouraged to apply even if you don't fall in those sectors.
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!
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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.
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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.
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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 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.
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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.
"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: TRACK LOADER
Model: 955K TRACK LOADER 71J
Configuration: 955L TRACK TYPE LOADER 71J04558-UP (MACHINE) POWERED BY 3304 ENGINE
Disassembly and Assembly
955K TRACK-TYPE LOADER POWER TRAIN
Media Number -REG00861-00 Publication Date -01/11/1993 Date Updated -10/10/2001
Flexible Coupling Drive
Removal And Installation
1-Bolts (sixteen). 2-Joints (four). 3-Bolt, washer assembly, washer (assemble with concave side against washer
assembly). 4-Flywheel output flange. 5-Torque converter input flange.
Checking Flexible Drive Coupling Alignment
Position engine in mounting location within the main frame. Check for correct engine-to-
transmission alignment as follows:
1. Remove the torque converter input flange.
2. Fasten a 7H1942 Indicator (with a 7H1940 Universal Attachment) to the torque converter input
shaft using a 7H1948 Snug, 7H1945 Holding Rod, 3/8 in. (9,5 mm) diameter rod 3 in. (76,2 mm)
long and a 1J9778 Hose Clamp.
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3. CHECKING VERTICAL AND HORIZONTAL ALIGNMENT (Viewed from left side of machine.)
Total indicator reading must not exceed .080 in. (2,03 mm). Correct any misalignment by adding or removing shims
under engine rear supports.
3. Zero the indicator on the outside diameter of engine output flange as illustrated. Take an
indicator reading every 90° while rotating the torque converter input shaft one complete turn.
4. Remove the 7H1940 Universal Attachment. Position the anvil of the dial indicator between the
bolt holes and the ouside diameter of engine output flange as illustrated.
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4. CHECKING FACE ALIGNMENT (Viewed from left side of machine.)
Total indicator reading must not exceed .026 in. (0,66 mm). Move front of engine as necessary to obtain correct
dimension.
5. Zero the dial indicator. Take an indicator reading every 90° while rotating the torque converter
input shaft one complete turn.
6. Recheck both settings and adjust if necessary. When alignment is correct, tighten engine
mounting bolts as follows:
a. Front mounting bolts - 460 ± 50 lb. ft. (63,6 ± 6,9 mkg).
b. Rear mounting bolts - 225 ± 30 lb. ft. (31,1 ± 4,1 mkg).
Misalignment
If it is necessary to shift the engine from one side to the other in the frame, loosen the hold-down
bolts and shift the engine accordingly.
If the holes for the hold-down bolts are enlarged, dowels should be installed to hold the engine in
the proper location after it is bolted down.
Extreme misalignment is probably the result of bent main frame channels. They should be
straightened. Extreme wear in the engine front support will also cause misalignment.
Copyright 1993 - 2019 Caterpillar Inc.
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5. Shutdown SIS
Previous Screen
Product: TRACK LOADER
Model: 955K TRACK LOADER 71J
Configuration: 955L TRACK TYPE LOADER 71J04558-UP (MACHINE) POWERED BY 3304 ENGINE
Disassembly and Assembly
955K TRACK-TYPE LOADER POWER TRAIN
Media Number -REG00861-00 Publication Date -01/11/1993 Date Updated -10/10/2001
Transmission And Torque Converter
Transmission Removal And Installation
1-Forged eyebolts (two 5/8" - 11 NC) (one 1/2" - 13 NC). Install and attach a hoist. 2-Transmission case-to-adapter
bolts (ten). 3-Support bracket-to-frame bolts (two-not shown). 4-Transmission output shaft. Move transmission
forward to clear output shaft before raising. Raise transmission about 3 in. (76,2 mm). 5-Support bracket.
6-Eyebolt and chain. 7-Transmission. Remove by tipping as shown.
6. Move the forward chain and eyebolt from the top of the torque converter housing to the top of
the transmission mounting flange as shown.
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6. Removing Transmission From Case
1. Position the transmission vertically on a suitable stand or blocks.
2, 3, 4, 5-Bolts. Do not remove. 6-Bolts (two). Replace with 5/8" - 11 NC forged eyebolts. 7-Bolts (six).
8-Planetary transmission. Remove from transmission case and position vertically on blocks.
Transmission Disassembly
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7. This is a cross section of the planetary transmission. The shaded areas, in order of removal, are: A-No. 1 clutch, clutch
housing and planet carrier. B-No. 2 clutch, clutch housing, ring gear and No. 1 ring gear. C-No. 3 clutch, clutch
housing and ring gear, No. 1 and No. 2 sun gear, No. 2, No. 3 and No. 4 planet carrier. D-No. 4 clutch, clutch housing
and ring gear. E-No. 5 clutch and ring gear. F-No. 5 clutch housing, No. 3, No. 4 and No. 5 sun gears, output shaft.
A - No. 1 Clutch, Clutch Housing and Planet Carrier 1. Remove only the three bolts located
by the "S" mark. When installing tighten to a torque of 85 ± 5 lb. ft. (11,8 ± 0,7 mkg).
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8. 2-No. 1 clutch housing. Invert, remove the two 3/8" bolts and disassemble as shown. The exploded view is shown
inverted.
B - No. 2 Clutch, Clutch Housing, Ring Gear and No. 1 Ring Gear
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9. 1-Pins (two). Drive flush with face of carrier to allow retaining ring removal.
C-No. 3 Clutch, Clutch Housing and Ring Gear, No. 1 and No. 2 Sun Gear, No. 2, No. 3 and
No. 4 Planet Carrier
1-Remove bolt and retainer from inside of sun gear. Then remove sun gear and install 3/8" - 16 NC forged eyebolt as
shown. 2-Clutch release springs (ten). 3-Clutch reaction pins (five).
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10. D-No. 4 Clutch, Clutch Housing and Ring Gear
1-Pins (two). Drive flush with face of carrier to allow retaining ring removal.
E-No. 5 Clutch and Ring Gear
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11. F-No. 5 Clutch Housing, No. 3, No. 4 and No. 5 Sun Gears and Output Shaft
1-Retaining ring. Must be removed first to allow output shaft to be lowered for removal of retaining ring at other end
of shaft.
Torque Converter Removal And Installation
1. Place transmission and torque converter unit on a suitable stand as shown.
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12. 2-Bolts (two). Replace two diametrically opposite bolts with 3/8" - 16 NC forged eyebolts. 3-Bolts (fourteen).
4-Torque converter oil supply tube.
5-Guide pins (two). With torque converter in position shown, remove two retaining bolts and replace with 1/2" - 13
NC guide pins. 6-Bolts (five). 7-Retainer. 8-Output shaft.
9-Cover.
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13. 5-Guide pins (two). 10-Forged eyebolt. Install 1/4" - 20 NC forged eyebolt and attach a hoist.
Torque Converter Disassembly
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14. 7, 26 Use an 8B7548 Push Puller, 8H663 Bearing Pulling Attachment and a S2398 Spacer to
remove bearings.
Copyright 1993 - 2019 Caterpillar Inc.
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15. Shutdown SIS
Previous Screen
Product: TRACK LOADER
Model: 955K TRACK LOADER 71J
Configuration: 955L TRACK TYPE LOADER 71J04558-UP (MACHINE) POWERED BY 3304 ENGINE
Disassembly and Assembly
955K TRACK-TYPE LOADER POWER TRAIN
Media Number -REG00861-00 Publication Date -01/11/1993 Date Updated -10/10/2001
Transmission Hydraulic Controls
Transmission Hydraulic Control Removal And Installation
1-Lever. 2-Lever. 3-Cover.
4-Clip. 5-Tube. Push into housing until clear of valve body. 6-Twelve-point head bolts (sixteen). 7-Six-point head
bolts (five).
Transmission Hydraulic Control Disassembly
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16. Transmission Mechanical Control Linkage And Column
1-Grab iron assembly. 2-Knob. 3-Governor control linkage. 4-Bolts (six). 5-Column assembly.
6-Speed selector control rod. 7-Directional control rod. 8-Bracket. 9-Bolts (four). 10-Transmission control linkage.
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17. Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sat Aug 31 14:26:22 UTC+0800 2019
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18. Shutdown SIS
Previous Screen
Product: TRACK LOADER
Model: 955K TRACK LOADER 71J
Configuration: 955L TRACK TYPE LOADER 71J04558-UP (MACHINE) POWERED BY 3304 ENGINE
Disassembly and Assembly
955K TRACK-TYPE LOADER POWER TRAIN
Media Number -REG00861-00 Publication Date -01/11/1993 Date Updated -10/10/2001
Transmission Lubrication System Components
Transmission Lubrication Relief Valve Removal And
Installation
1-Tube assembly. 2-Bolts (four). 3-Lubrication relief valve.
Lubrication Relief Valve Disassembly
Oil Pump Removal And Installation
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19. 1-Bolts (two). 2-Transmission oil pump.
Oil Pump Disassembly
3, 6 Install bearings with joints at (A and B) as shown. Install bearings .062 in. (1,575 mm) below
the inner surfaces of the cover and base.
4 Pump drive gear must rotate freely by hand.
Transmission Oil Filter And Screen Removal And Installation
1-Bolts (two). 2-Oil pump supply tube and O-ring seal.
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20. 3-Nuts (five). 4-Filter and screen group with O-ring seals.
Transmission Oil Filter And Screen Disassembly
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21. Shutdown SIS
Previous Screen
Product: TRACK LOADER
Model: 955K TRACK LOADER 71J
Configuration: 955L TRACK TYPE LOADER 71J04558-UP (MACHINE) POWERED BY 3304 ENGINE
Disassembly and Assembly
955K TRACK-TYPE LOADER POWER TRAIN
Media Number -REG00861-00 Publication Date -01/11/1993 Date Updated -10/10/2001
Bevel Pinion
Transmission Mounting Adapter Removal And Installation
1-Forged eyebolt (1/2"-13 NC) and nut. Install eyebolt and nut and attach a hoist. 2-Bolts (eleven). 3-Seal.
Transmission Mounting Adapter Disassembly
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22. Bevel Pinion, Bearing Cage And Pinion Locating Shims
Removal And Installation
1-Bolts (four). 2-Bevel pinion bearing cage and bevel pinion. 3-Bevel pinion locating shims.
NOTE: If the bevel gear location is changed or if a new bearing cage or pinion is installed, the
pinion location must be checked. See BEVEL GEAR AND PINION SETTING.
Bevel Pinion And Bearing Disassembly
1 Press spacer onto bevel pinion shaft before installing shaft.
2 Use an arbor press to remove bearing cones.
3 For correct installation see the GENERAL INSTRUCTIONS under BEARINGS - DOUBLE
ROW, TAPERED ROLLER.
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23. Shutdown SIS
Previous Screen
Product: TRACK LOADER
Model: 955K TRACK LOADER 71J
Configuration: 955L TRACK TYPE LOADER 71J04558-UP (MACHINE) POWERED BY 3304 ENGINE
Disassembly and Assembly
955K TRACK-TYPE LOADER POWER TRAIN
Media Number -REG00861-00 Publication Date -01/11/1993 Date Updated -10/10/2001
Steering Clutch And Brake Controls
Control Pedals Removal
1-Brake lock linkage. 2-Bracket. Remove two bolts securing bracket to support.
3-Left steering clutch control linkage. 4-Right steering clutch control linkage. 5-Caps (six). 6-Right brake control
linkage. 7-Left brake control linkage. 8-Control pedal assemblies.
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24. This shows the pedals removed from the machine. The parts pointed out are: 9-Shims. Use as necessary to provide
clearance between levers and pedals.
Control Pedals And Support Brace Unit Removal And
Installation
1-Right brake control rod. 2-Left brake control rod. 3-Left brake pedal return spring. 4-Right brake pedal return spring. 5
-Steering clutch control rods.
6-Tilt cylinder lines. 7-Center brake pedal return spring. 8-Parking brake lock ratchet. 9-Control pedals and support
brace unit.
Steering Clutch Oil Filter Removal And Installation
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26. Oil Pump Removal And Installation
Viewed from rear. 1-Left steering clutch control rod. 2-Bolts (four). 3-Left steering clutch brake control rod. 4-Left
steering clutch pedal. 5-Pump outlet oil line. 6-Pump inlet oil line. 7-Bolts (two). 8-Steering clutch oil pump.
Oil Pump Disassembly
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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. 3,7 Align bearing joints (at A and B) and install bearings .062 in. (1,57 mm) below the inner
surfaces of the cover and base.
4 Pump drive gear must rotate freely by hand.
Steering Clutch Mechanical Components
1-Lever. Loosen bolt and remove key holding lever to shaft. 2-Lever and shaft. 3-Race. At assembly press onto shaft so
top of race is 2.78 in. (70,6 mm) from upper end of shaft.
Steering Clutch Case Cover
1-Bearings. Not to project above bottom of counterbore.
Brake Engaging Mechanism
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29. 1-Cover. 2-Lever. 3-Key.
4-Bolt. Loosen and slide shaft through lever far enough to allow key to be removed from shaft. 5-Shaft. 6-Shaft
assemblies. 7-Stop shaft. 8-Stop shaft.
If stop shafts are removed from steering clutch case cover, the setscrews which hold the shafts in
position must be adjusted when installing the shafts. To do this, tighten the setscrews, then back off
11/2 turns and lock with lock wire.
Copyright 1993 - 2019 Caterpillar Inc.
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30. Shutdown SIS
Previous Screen
Product: TRACK LOADER
Model: 955K TRACK LOADER 71J
Configuration: 955L TRACK TYPE LOADER 71J04558-UP (MACHINE) POWERED BY 3304 ENGINE
Disassembly and Assembly
955K TRACK-TYPE LOADER POWER TRAIN
Media Number -REG00861-00 Publication Date -01/11/1993 Date Updated -10/10/2001
Steering Clutches, Bevel Gear And Final Drive
Steering Clutch Case Cover Removal
Viewed from front of machine 1-Right brake control rod. 2-Left brake control rod. 3-Right pedal return spring. 4-Left
pedal return spring. 5-Right steering clutch control rod. 6-Left steering clutch control rod. 7-Steering clutch case oil
supply line. 8-Tube. 9-Cover. 10-Oil filter. 11-Steering booster cover.
12. Remove steering booster.
13 Pins.
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31. 14-Bolts (eighteen). 15-Forged eyebolts (three). Install 3/8"-16 NC forged eyebolts and attach a hoist. 16-Steering
clutch case cover.
Steering Clutch And Bevel Gear Shaft Removal
1-Rod ends. When installing rod end and adjusting nut, adjust dimension between center of hole in rod end and outer
face of adjusting nut to dimension shown. Lock with lock nut. 2-Bolts (twenty). 3-Bearing caps. The caps are marked
L and R and should be installed on the correct side of the machine.
Steering Clutch Removal
1-Lock. 2-Nut. Loosen until there is .25 in. (6,4 mm) between nut and hub. 3-Steering clutch, bearing and yoke. Pull
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32. the steering clutch from the shaft by using a 7F9540 Hydraulic Puller, 6F25 or 3S6224 Pump Group, 8B7548 Push
Puller, two 8B7556 Adapters and an 8B7561 Step Plate.
Steering Clutch Installation
Be certain the splines on the bevel gear shaft and in the steering clutch driving drum are clean, dry
and free from burrs.
1. With the splines meshing, push the clutch onto the shaft as far as possible by hand.
2. Using a 7M7236 Adapter Group, 7F9540 Hydraulic Puller and 6F25 or 3S6224 Pump Group,
press the steering clutch driving drum onto the bevel gear shaft with a pressure of 15-20 tons (13,6
-18,1 M. tons). The distance between the face of the drum and the shoulder of the shaft must then
be .12±.03 in. (3,0±0,8 mm).
3. Install the steering clutch retaining nut. Tighten to a torque of 250±50 lb. ft. (34,6±6,9 mkg).
Install the lock.
Steering Clutch Disassembly
To remove or install locks (1) use a 7F9540 Hydraulic Puller, 6F25 or 3S6224 Pump Group, 8B7548 Push Puller, two
8B7556 Adapters, 8B7561 Step Plate and 7S8431 Spring Compressor Plate.
3/16955L TRACK TYPE LOADER 71J04558-UP (MACHINE) POWERED BY 3304 EN...
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