This document provides instructions for assembling and disassembling components of the torque converter and transfer gears for a 621H wheel tractor. It describes 22 steps for assembling the torque converter, including installing various bearings, seals, and fasteners in the proper order. It also describes removing and installing the transfer gears while the tractor is either off or on the chassis. The disassembly procedure lists 6 steps for disassembling the transfer gear case, including removing bearing cages and shims.
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!
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!
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.
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.
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.
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.
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.
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.
"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.
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.
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 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.
2. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621H WHEEL TRACTOR EAZ
Configuration: 621H Wheel Tractor Scraper EAZ00001-UP (MACHINE) POWERED BY C13 Engine
Disassembly and Assembly
621H, 623H and 627H
Wheel Tractor-Scrapers Power Train
Media Number -KENR9488-01 Publication Date -01/06/2013 Date Updated -01/07/2013
i07459845
Torque Converter - Assemble - Tractor
SMCS - 3101-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 2P-8312 Retaining Ring Pliers 1
B 1P-0510 Driver Group 1
D 8T-5096 Dial Indicator Group 1
Illustration 1 g00528674
1. Use Tooling (B) and a suitable press to install sleeve bearing (33). Install sleeve bearing
(33) to flange (32).
1/8(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
3. Illustration 2 g00528612
2. Install bolts (31) and flange (32) to housing (9). Tighten bolts (31) to a torque of
120 ± 15 N.m (89 ± 11 lb ft).
Illustration 3 g00525322
3. Install thrust race (30) and thrust bearing (29) to housing (9).
Illustration 4 g00525321
4. Install torque converter turbine (23) and clamp ring (28) to hub (3).
2/8(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
4. Illustration 5 g06329533
5. Install bolts (27) to torque converter turbine (23). Tighten bolts (27) to a torque of
50 ± 7 N.m (37 ± 5 lb ft).
Illustration 6 g01052922
6. Install thrust race (25) and thrust bearing (24) to hub (3).
Illustration 7 g06329534
7. Install thrust race (26) to hub (3).
3/8(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
5. Illustration 8 g00525315
8. Install torque converter turbine (23) and hub (3) as a unit to housing (9).
Illustration 9 g00528953
9. Use Tooling (B) and a suitable press to install sleeve bearing (22). Install sleeve bearing
(22) to carrier assembly (12).
10. Install thrust bearing (21) to carrier assembly (12).
Illustration 10 g01052912
4/8(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
6. 11. Install side plate (20) to torque converter stator (13). Use Tooling (A) to install retaining
ring (19). Install retaining ring (19) to torque converter stator (13).
Illustration 11 g00525863
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.
12. Use Tooling (B) and a suitable press to install freewheel cam (18). Install freewheel cam
(18) to torque converter stator (13).
13. Install torque converter stator (13) to carrier assembly (12). Install freewheel springs (17)
and freewheel rollers (16) to freewheel cam (18). Always install new freewheel springs (17)
and freewheel rollers (16). Install freewheel springs (17) with the maximum number of
loops in freewheel springs (17) to the outside of freewheel cam (18). Torque converter
stator (13) should turn freely in the counterclockwise direction. Torque converter stator (13)
should not turn freely in the clockwise direction.
5/8(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
7. Illustration 12 g00525309
14. Install thrust race (15) to torque converter stator (13). Use Tooling (A) to install retaining
ring (14). Install retaining ring (14) to torque converter stator (13).
Illustration 13 g00525308
15. Install carrier assembly (12) and torque converter stator (13) as a unit to housing (9).
Illustration 14 g00525306
16. Install thrust bearing (11) to carrier assembly (12).
6/8(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
8. Illustration 15 g00525305
17. Install impeller hub (8) to torque converter impeller (5). Install metal seal ring (10) to torque
converter impeller (5).
Illustration 16 g00525303
18. Install clamp plate (7), the washers, and bolts (6) to impeller hub (8). Tighten bolts (6) to a
torque of 50 ± 7 N.m (37 ± 5 lb ft).
19. Install bolts (4) and the washers to torque converter impeller (5). Tighten bolts (4) to a
torque of 50 ± 7 N.m (37 ± 5 lb ft).
Illustration 17 g00525299
20. Use Tooling (B) and a suitable press to install the sleeve bearing in carriage support
assembly (2). Install the sleeve bearing until the sleeve bearing is flush with the outside
machined surface of carriage support assembly (2).
21. Install carriage support assembly (2) to hub (3). Use Tooling (A) to install retaining ring (1).
Install retaining ring (1) to carriage support assembly (2).
7/8(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
9. Illustration 18 g01053220
22. Install Tooling (D) to the torque converter, as shown. The edge of Tooling (D) must be in
contact with the edge of carrier assembly (12), as shown. Move hub (3) up and down with a
screwdriver. The end play of hub (3) must be 0.13 to 1.96 mm (0.005 to 0.077 inch).
End By:
a. Install the torque converter.
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Mar 25 13:31:34 UTC+0800 2021
8/8(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
10. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621H WHEEL TRACTOR EAZ
Configuration: 621H Wheel Tractor Scraper EAZ00001-UP (MACHINE) POWERED BY C13 Engine
Disassembly and Assembly
621H, 623H and 627H
Wheel Tractor-Scrapers Power Train
Media Number -KENR9488-01 Publication Date -01/06/2013 Date Updated -01/07/2013
i04573776
Transfer Gears - Remove and Install - Tractor, Off Chassis
SMCS - 3159-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7574 Link Bracket 2
B 308-3471 Jack Stand Gp 1
Start By:
a. Remove the transmission, torque converter, and transfer gears.
b. Remove the speed sensor.
1/3(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
11. Illustration 1 g02731531
1. Use Tooling (A) and a suitable lifting device to position transmission, torque converter, and
transfer gears (1) onto suitable cribbing and Tooling (B). The weight of transmission, torque
converter, and transfer gears (1) is approximately 1320 kg (2910 lb).
Illustration 2 g02731558
2/3(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
12. Illustration 3 g02731561
2. Attach Tooling (A) and a suitable lifting device to transfer gears (2). The weight of transfer
gears (2) is approximately 340 kg (750 lb). Remove nuts (3) and the bolts. Separate transfer
gears (2) from transmission (4). Remove O-ring seals (5).
Illustration 4 g02731564
3. Remove O-ring seal (6).
Installation Procedure
1. Install transfer gears (2) in the reverse order of removal.
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Mar 25 13:32:30 UTC+0800 2021
3/3(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
13. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621H WHEEL TRACTOR EAZ
Configuration: 621H Wheel Tractor Scraper EAZ00001-UP (MACHINE) POWERED BY C13 Engine
Disassembly and Assembly
621H, 623H and 627H
Wheel Tractor-Scrapers Power Train
Media Number -KENR9488-01 Publication Date -01/06/2013 Date Updated -01/07/2013
i04572074
Transfer Gears - Remove and Install - Tractor, In Chassis
SMCS - 3159-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 1
B 138-7574 Link Bracket 1
C - 1/2 - 13 NC by 1.5 inch Bolts 2
Hot oil and components can cause personal injury.
Do not allow hot oil or components to contact skin.
1. Start the machine. Turn the tractor so that the tractor is at a right angle to the scraper.
2. Remove the power train guard (transmission).
3. Remove the drive shaft.
4. Remove the speed sensor.
5. Remove gear pump (steering).
1/4(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
14. 6. Remove piston pump (implement)
7. Remove the piston pump (elevator), if equipped.
8. Remove the transmission scavenge pump.
Illustration 1 g02731336
9. Disconnect clip (2) . Disconnect hose assemblies (3) and harness assembly (1) from filter
assembly (4).
10. Attach Tooling (A) and a suitable lifting device to filter assembly (4). The weight of filter
assembly (4) is approximately 36 kg (80 lb). Remove filter assembly (4).
Illustration 2 g02731337
11. Disconnect hose assemblies (5).
12. Remove hose assembly (8) and (11).
13. Remove tube assemblies (7) and (9).
14. Disconnect harness assembly (10) from transfer gears (6).
2/4(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
15. Illustration 3 g02731365
15. Remove tube assembly (12).
Illustration 4 g02731366
Illustration 5 g02731367
16. Attach Tooling (A) and a suitable lifting device to transfer gears (6). The weight of transfer
gears (6) is approximately 318 kg (700 lb).
17. Remove bracket (14).
3/4(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
16. 18. Remove nuts (13) and the bolts that secure transfer gears (6) to the transmission case. Use
Tooling (C) to remove transfer gears (6). Remove transfer gears (6).
Illustration 6 g02731368
19. Remove O-ring seals (15).
Illustration 7 g02731369
20. Remove O-ring seal (16).
Installation Procedure
1. Install transfer gears (6) in the reverse order of removal.
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Mar 25 13:33:26 UTC+0800 2021
4/4(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
17. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621H WHEEL TRACTOR EAZ
Configuration: 621H Wheel Tractor Scraper EAZ00001-UP (MACHINE) POWERED BY C13 Engine
Disassembly and Assembly
621H, 623H and 627H
Wheel Tractor-Scrapers Power Train
Media Number -KENR9488-01 Publication Date -01/06/2013 Date Updated -01/07/2013
i07460047
Transfer Gears - Disassemble - Tractor
SMCS - 3159-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 439-3940 Bracket As 1
B
8B-7548 Push-Puller Tool Gp 1
8B-7551 Bearing Puller Gp 1
1P-0498 Drive Plate 1
C
5P-4170 Step Plate 1
1P-2321 Combination Puller 1
D
8B-7554 Bearing Cup Puller Gp 1
5P-4170 Step Plate 1
1P-0518 Drive Plate 1
E
8B-7560 Step Plate 1
5F-7345 Screw 1
8B-7554 Bearing Cup Puller Gp 1
F -
Bolts
3/8" - 16 NC by 3 inch
3
1/10(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
18. Start By:
a. Remove the transfer gear case.
b. Remove the transmission oil filter base.
c. Remove the transmission scavenge pump.
d. Remove the transmission oil pump.
NOTICE
Keep all parts clean from contaminants.
Contamination of the hydraulic system with foreign material will
reduce the service life of the hydraulic system components.
To prevent contaminants from entering the hydraulic system, always
plug or cap the lines, fittings, or hoses as they are disconnected. Cover
any disassembled components and clean them properly before
assembly.
Clean the hydraulic system properly after any major component
exchange or especially after a component failure, to remove any
contamination.
1. Put identification marks on components for installation purposes.
Illustration 1 g02603076
2. Remove the bolts that secure bearing cage (1) to the transfer gear case. Use Tooling (F) to
separate bearing cage (1) from the transfer gear case.
3. Remove bearing cage (1) and shims (2) from the transfer gear case.
2/10(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
19. Illustration 2 g02602859
4. Remove the bolts that secure bearing cage (3) to the transfer gear case. Use Tooling (F) to
separate bearing cage (3) from the transfer gear case.
5. Remove bearing cage (3) and shims (4) from the transfer gear case.
Illustration 3 g02603657
6. Remove gear assembly (5).
Illustration 4 g02603659
7. Remove tube (6) and gear assembly (7).
3/10(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
20. Illustration 5 g02602876
8. Remove bearing cups (8) from the transfer gear case. Attach Tooling (A) and a suitable
lifting device onto the transfer gear case. The weight of the transfer gear case is
approximately 340 kg (750 lb). Turn over the transfer gear case. Remove Tooling (A).
Illustration 6 g01102873
9. Remove the bolts that secure bearing cage (9) to the transfer gear case. Use Tooling (F) to
separate bearing cage (9) from the transfer gear case.
10. Remove bearing cage (9), shims (10), and gear (11) from the transfer gear case.
Illustration 7 g00529214
4/10(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
21. 11. Remove bearing cup (12) from the transfer gear case. Attach Tooling (A) and a suitable
lifting device onto the transfer gear case. Turn over the transfer gear case.
Illustration 8 g00529215
12. Remove bolts (13) that secure bearing cage (14) to the transfer gear case. If necessary, rotate
the gear until the three threaded holes are visible in bearing cage (14). Install Tooling (F)
through gear (15) and into bearing cage (14). Tighten Tooling (F) evenly until bearing cage
(14) and gear (15) separate from the transfer gear case. Remove bearing cage (14) and gear
(15) as a unit from the transfer gear case.
Illustration 9 g00529216
Illustration 10 g00529257
5/10(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
22. 13. Remove retaining ring (16) from gear (15). Remove bearing (17) and bearing cage (14)
from gear (15).
Illustration 11 g01048544
14. Remove bearing (17) from bearing cage (14).
Illustration 12 g01048548
15. Remove bolts (19) and separate gear (20) from gear (11). Use Tooling (B) to remove
bearing cone (18). Remove bearing cone (18) from gear (11). Repeat the procedure for the
bearing cone on the opposite side of gear (11).
Illustration 13 g02660644
6/10(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
23. 16. Use Tooling (C) to remove bearing cone (21). Remove bearing cone (21) from gear (5).
Repeat the procedure for the bearing cone on the opposite side of gear (5).
Illustration 14 g02661176
17. Use Tooling (C) to remove bearing cone (21). Remove bearing cone (21) from gear (7).
Repeat the procedure for the bearing cone on the opposite side of gear (7).
Illustration 15 g02661799
18. Use Tooling (D) to remove bearing cup (23). Remove bearing cup (23) from bearing cage
(1). Remove O-ring seal (24) from bearing cage (1).
Illustration 16 g01048553
7/10(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
24. 19. Remove bearing cup (25) from bearing cage (9).
Illustration 17 g02662017
20. Use Tooling (E) to remove bearing cup (26). Remove bearing cup (26) from bearing cage
(3). Remove O-ring seal (27) from bearing cage (3).
Illustration 18 g02603736
21. Remove the bolt that secure cover (28). Use Tooling (F) to remove cover (28). Remove
cover (28).
Illustration 19 g02603807
8/10(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
25. 22. Remove the bolt that secure bearing cage (29). Use Tooling (F) to remove bearing cage (29)
and shims (30). Remove bearing cage (29) and shims (30).
Illustration 20 g02603842
23. Remove tube (31) and gear assembly (32).
Illustration 21 g02662457
24. Use Tooling (C) to remove bearing cone (33). Remove bearing cone (33) from gear (32).
Repeat the procedure for the bearing cone on the opposite side of gear (32).
Illustration 22 g02603857
9/10(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
26. 25. Remove bearing cup (34).
Illustration 23 g02604416
26. Remove bearing cage (35) and O-ring seal (36).
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Thu Mar 25 13:34:21 UTC+0800 2021
10/10(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
27. Shutdown SIS
Previous Screen
Product: WHEEL TRACTOR
Model: 621H WHEEL TRACTOR EAZ
Configuration: 621H Wheel Tractor Scraper EAZ00001-UP (MACHINE) POWERED BY C13 Engine
Disassembly and Assembly
621H, 623H and 627H
Wheel Tractor-Scrapers Power Train
Media Number -KENR9488-01 Publication Date -01/06/2013 Date Updated -01/07/2013
i04408033
Transfer Gears - Assemble - Tractor
SMCS - 3159-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 1
G 1P-0510 Driver Group 1
H 8T-5096 Dial Indicator 1
NOTICE
Keep all parts clean from contaminants.
Contamination of the hydraulic system with foreign material will
reduce the service life of the hydraulic system components.
To prevent contaminants from entering the hydraulic system, always
plug or cap the lines, fittings, or hoses as they are disconnected. Cover
any disassembled components and clean them properly before
assembly.
Clean the hydraulic system properly after any major component
exchange or especially after a component failure, to remove any
contamination.
1/11(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
28. 1. Clean all parts and inspect all parts. If any parts are worn or damaged, use new parts for
replacement.
2. Lubricate O-ring seals with the lubricant that is being sealed.
Illustration 1 g02604416
3. Install O-ring seal (36). Lower the temperature of bearing cage (35) before installing.
Illustration 2 g02603857
4. Lower the temperature of bearing cup (34) before installing.
Illustration 3 g02662457
2/11(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
29. 5. Raise the temperature of bearing cone (33). Install bearing cone (33) on gear (32). Repeat
the procedure for the bearing cone on the opposite side of gear (32).
Illustration 4 g02603842
6. Install gear assembly (32) and tube (31).
Illustration 5 g02605119
7. Install bolts that secure shims (30) and bearing cage (29) into place.
Illustration 6 g02605318
3/11(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
30. 8. Position Tooling (H) in the transfer gear case, as shown. Make sure that the dial indicator is
in contact with gear (32). Use a pry bar to move gear (32) up and down. Adjust shims (30)
in order to obtain an end play of 0.15 ± 0.05 mm (0.006 ± 0.002 inch). Tighten bolts that
secure cover (29) to a torque of 55 ± 10 N·m (41 ± 7 lb ft)
Illustration 7 g02605121
9. Install bolts that secure cover (28) into place.
Illustration 8 g02662017
10. Install O-ring seal (27) onto bearing cage (3). Lower the temperature of bearing cup (26).
Install bearing cup (26) to bearing cage (3). Check that bearing cup (26) is seated in the bore
of bearing cage (3).
4/11(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
31. Illustration 9 g01048553
11. Lower the temperature of bearing cup (25). Install bearing cup (25) to bearing cage (9).
Check that bearing cup (25) is seated in the bore of bearing cage (9).
Illustration 10 g02661799
12. Install O-ring seal (24) to bearing cage (1). Lower the temperature of bearing cup (23).
Install bearing cup (23) to bearing cage (1). Check that bearing cup (23) is seated in the bore
of bearing cage (1).
Illustration 11 g02661176
13. Raise the temperature of bearing cone (22). Install bearing cone (22) on gear (7). Repeat the
procedure for the bearing cone on the opposite side of gear (7).
5/11(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
32. Illustration 12 g02660644
14. Raise the temperature of bearing cone (21). Install bearing cone (21) on gear (5). Repeat the
procedure for the bearing cone on the opposite side of gear (5).
Illustration 13 g01048548
15. Raise the temperature of bearing cone (18). Install bearing cone (18) on gear (11). Repeat
the procedure for the bearing cone on the opposite side of gear (11).
16. Position gear (20) on gear (11). Install bolts (19). Tighten bolts (19) to a torque of
55 ± 10 N·m (41 ± 7 lb ft).
Illustration 14 g01048544
6/11(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
33. 17. Install bearing (17) into bearing cage (14).
Illustration 15 g00529216
18. Use Tooling (G) to install bearing (17) and bearing cage (14) to gear (15). Install bearing
(17) and bearing cage (14) until the retaining ring groove is visible. Install retaining ring
(16) to gear (15).
Illustration 16 g00529215
19. Position gear (15) and bearing cage (14) in the transfer gear case. Install bolts (13) that
secure bearing cage (14) to the transfer gear case. Tighten bolts (13) to a torque of
55 ± 10 N·m (41 ± 7 lb ft). Attach Tooling (A) and a suitable lifting device onto the transfer
gear case. The weight of the transfer gear case is approximately 340 kg (750 lb). Turn over
the transfer gear case. Remove Tooling (A).
7/11(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
34. Illustration 17 g00529214
20. Lower the temperature of bearing cup (12). Use Tooling (G) to install bearing cup (12) to
the transfer gear case. Check that bearing cup (12) is seated in the bore of the transfer gear
case.
Illustration 18 g00529695
Illustration 19 g02605501
21. Position gear (11) in the transfer gear case. Install bearing cage (9) and shims (10). Install
bolts that hold bearing cage (9) in position. Tighten bolts that secure bearing cage (9) to a
torque of 55 ± 10 N·m (41 ± 7 lb ft).
8/11(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
35. 22. Position Tooling (H) in the transfer gear case, as shown. Make sure that the dial indicator is
in contact with gear (11). Use a pry bar to move gear (11) up and down. Adjust shims (10)
in order to obtain an end play of 0.15 ± 0.05 mm (0.006 ± 0.002 inch). Tighten bolts that
secure bearing cage (9) to a torque of 55 ± 10 N·m (41 ± 7 lb ft).
Illustration 20 g02602876
23. Use Tooling (G) to install bearing cups (8) to the transfer gear case. Check that bearing cups
(8) is seated in the bore of the transfer gear case.
Illustration 21 g02603659
Illustration 22 g02605596
9/11(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...
36. Suggest:
If the above button click is invalid.
Please download this document
first, and then click the above link
to download the complete manual.
Thank you so much for reading
37. 24. Position gear (7) in the transfer gear case. Install tube (6). Install bearing cage (1) and shims
(2). Install the bolts that hold bearing cage (1) in position. Tighten bolts to a torque of
55 ± 10 N·m (41 ± 7 lb ft).
25. Attach Tooling (A) and a suitable lifting device to the transfer gear case. Place the transfer
gear case on wood blocks, not shown. Position Tooling (H) on the transfer gear case, as
shown. Make sure that the dial indicator is in contact with gear (7). Use a pry bar to move
gear (7) up and down. Adjust shims (2) in order to obtain an end play of 0.15 ± 0.05 mm
(0.006 ± 0.002 inch). Tighten bolts that secure bearing cage (1) to a torque of 55 ± 10 N·m
(41 ± 7 lb ft).
Illustration 23 g02605636
Illustration 24 g02605656
26. Position gear (5) in the transfer gear case. Install bearing cage (3) and shims (4). Install the
bolts that hold bearing cage (3) in position. Tighten bolts to a torque of 55 ± 10 N·m
(41 ± 7 lb ft).
27. Position Tooling (H) on the transfer gear case, as shown. Make sure that the dial indicator is
in contact with gear (5). Use a pry bar to move gear (5) up and down. Adjust shims (4) in
order to obtain an end play of 0.15 ± 0.05 mm (0.006 ± 0.002 inch). Tighten bolts that
secure bearing cage (3) to a torque of 55 ± 10 N·m (41 ± 7 lb ft).
End By:
a. Install the transmission oil pump.
10/11(W)
w
2021/3/25
https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisw...