The document provides instructions for disassembling and assembling the freewheel stator component of a 972G wheel loader torque converter. The disassembly process involves using tools to remove over 30 individual parts from the torque converter housing, impeller, and rotating elements. The assembly process similarly instructs technicians to carefully reinstall each part in the reverse order, applying the specified torques for bolts and ensuring proper orientation of components like bearings and seals. Cleanliness is emphasized throughout to prevent contamination.
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Here’s a handy guide to dashboard symbols so that you’ll never be confused again!
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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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Women and Youth are encouraged to apply even if you don't fall in those sectors.
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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2. Shutdown SIS
Previous Screen
Product: WHEEL LOADER
Model: 972G WHEEL LOADER AAW
Configuration: 972G WHEEL LOADER (COMMAND CONTROL STEER.) AAW00001-00196 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly
966G and 972G Wheel Loaders Power Train
Media Number -RENR2106-08 Publication Date -01/05/2004 Date Updated -28/05/2004
i02299289
Torque Converter (Freewheel Stator) - Disassemble
SMCS - 3101-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 2
B 1P-0510 Driver Gp 1
C 2P-8312 Retaining Ring Pliers 1
Start By:
A. Separate the torque converter from the transmission and from the output transfer gears. Refer to
Disassembly and Assembly, "Torque Converter from Transmission, Output Transfer Gears -
Separate".
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent dirt from entering the internal
mechanism.
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.
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3. Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop
Products Guide" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00456063
1. Use Tooling (A) and a suitable lifting device to position the torque converter assembly on
suitable blocking, as shown. The weight of the torque converter assembly is approximately 191
kg (420 lb).
Illustration 2 g00563249
2. Remove torque converter speed sensor (4) , the seal, and the washer.
3. Remove bolt (1) and retainer (2) . Remove gear (3) from the torque converter housing.
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4. Illustration 3 g00563276
4. Remove bolts (6) and the washers that hold the torque converter to the torque converter
housing.
5. Remove O-ring seal (5) .
Illustration 4 g00456148
6. Remove bolts (7) and pump drive flange (8) .
Illustration 5 g00456168
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5. 7. Remove bolt (9) and the washer that holds drive gear shaft (10) to the torque converter
housing.
8. Remove pump drive gear (11) and drive gear shaft (10) .
9. Remove drive gear shaft (10) from pump drive gear (11) .
Illustration 6 g00456172
10. Use Tooling (A) and a suitable lifting device to remove the torque converter housing. The
weight of the torque converter housing is approximately 113 kg (250 lb).
Illustration 7 g00456176
11. Remove bearing (12) from pump drive gear (11) . Use Tooling (B) in order to remove the
bearing.
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6. Illustration 8 g01152648
Note: For the disassembly of carrier shaft (17) , refer to Steps 30 through 34.
12. Remove bolts (13) and the washers. Use a suitable lifting device to remove impeller (14) from
rotating housing (15) . The weight of the impeller assembly is approximately 36 kg (80 lb).
Note: If the torque converter is equipped with a freewheel stator, continue with Steps 13
through 19.
Illustration 9 g00878581
13. Turn impeller (14) to the opposite side.
14. Remove retaining ring (16) and spacer (18) from carrier shaft (17) .
15. Remove stator (19) .
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7. Illustration 10 g00878584
16. Remove retaining ring (20) and washer (21) from stator (19) . Repeat the procedure for the
opposite side of stator (19) .
Illustration 11 g00878585
Note: If necessary, raise the temperature of the stator to a maximum temperature of 135 °C
(275 °F) for approximately fifteen minutes.
17. Remove bearing race (22) , freewheel rollers (23) , freewheel springs (24) , and freewheel cam
(25) from stator (19) .
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8. Illustration 12 g00878606
18. Remove spacer (26) from impeller (14) .
Illustration 13 g00878607
19. Use a suitable press to remove carrier shaft (17) from impeller (14) .
Illustration 14 g00878778
20. Remove bolts (27) and drive gear (28) .
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9. Illustration 15 g00878780
21. Remove bearing (29) from impeller (14) .
Illustration 16 g00878781
22. Remove retaining ring (30) and end cover (31) from rotating housing (15) .
Illustration 17 g00878783
23. Remove O-ring seal (32) .
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10. 24. Use Tooling (C) to remove retaining ring (33) .
25. Remove bearing spacer (34) from rotating housing (15) .
Illustration 18 g00878784
26. Turn rotating housing (15) onto the opposite side. Remove turbine (35) .
Illustration 19 g00878808
27. Remove bolts (36) and the washers. Separate turbine (35) from turbine hub assembly (37) .
28. If necessary, remove locating dowel (38) .
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11. Illustration 20 g00878809
29. Remove bearing (39) and ring (40) from rotating housing (15) .
Illustration 21 g01152618
30. Remove retaining ring (46) and plate (45) .
31. Use a soft faced hammer to remove shaft assembly (41) from carrier shaft (17) .
32. Remove outer bearing (44) .
33. Use a suitable press to remove inner race (43) from shaft (41) .
34. Remove ring (42 ) from shaft (41) .
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12. Shutdown SIS
Previous Screen
Product: WHEEL LOADER
Model: 972G WHEEL LOADER AAW
Configuration: 972G WHEEL LOADER (COMMAND CONTROL STEER.) AAW00001-00196 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly
966G and 972G Wheel Loaders Power Train
Media Number -RENR2106-08 Publication Date -01/05/2004 Date Updated -28/05/2004
i07399197
Torque Converter (Freewheel Stator) - Assemble
SMCS - 3101-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 2
B 1P-0510 Driver Gp 1
C 2P-8312 Retaining Ring Pliers 1
D 7F-6068 Sleeve 1
Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in
cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint
may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn
or damaged, use new parts for replacement.
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13. Illustration 1 g00878809
1. Install bearing (39) and ring (40) on rotating housing (15).
Illustration 2 g00878808
1. Install locating dowel (38) in turbine hub assembly (37).
2. Install turbine hub assembly (37) to turbine (35). Install bolts (36) and the washers. The torque
for bolts (36) is 60 ± 7 N·m (44 ± 5 lb ft).
Illustration 3 g00878784
3. Turn rotating housing (15) onto opposite side. Install turbine (35).
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14. Illustration 4 g00878783
4. Install bearing spacer (34).
5. Use Tooling (C) to install retaining ring (33) on turbine hub assembly (37). Retaining ring (33)
must be securely seated in the groove.
6. Install O-ring seal (32).
Illustration 5 g00878781
7. Install end cover (31) and retaining ring (30) in rotating housing (15).
Illustration 6 g00878780
8. Lower the temperature of bearing (29).
9. Install bearing (29) in impeller (14).
Note: The notch in bearing (29) must face downward, as shown.
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15. Illustration 7 g00878778
10. Install drive gear (28) and bolts (27). The torque for bolts (27) is 105 ± 15 N·m (75 ± 11 lb ft).
Note: If the torque converter is equipped with a freewheel stator, continue with Steps 11
through 16.
Illustration 8 g01151541
11. Install the seal ring (not shown) onto carrier shaft (17). Use a suitable press to install carrier
shaft (17) in impeller (14).
12. Install spacer (26) over shaft (17).
Illustration 9 g00878585
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16. 13. Install freewheel cam (25), freewheel springs (24), freewheel rollers (23), and bearing race (22)
in stator (19).
Note: If necessary, raise the temperature of stator (19) to a maximum temperature of 135 °C
(275 °F). Install the cam with the IMPELLER SIDE facing downward. Continue with the
installation until freewheel cam (25) contacts the retaining ring (not shown).
Note: Install freewheel springs (24) with the maximum number of loops toward the outside
diameter of freewheel cam (25).
Illustration 10 g00878584
14. Install washer (21) and retaining ring (20) on stator (19). Repeat the procedure for the opposite
side of stator (19).
Illustration 11 g00878581
15. Install stator (19) on impeller (14).
16. Install plate (18) and retaining ring (16) on carrier shaft (17).
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17. Illustration 12 g01152618
17. Assemble carrier shaft (17), as follows.
18. Install ring (42) on shaft (41).
19. Use a suitable press to install inner race (43) onto shaft (41).
20. Install outer bearing (44).
21. Use Tooling (B), Tooling (D), and a suitable press to install shaft assembly (41) and outer
bearing (44) into carrier shaft (17).
22. Install plate (45) and retaining ring (46).
Illustration 13 g00456243
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18. 23. Install impeller (14) on rotating housing (15). The weight of the impeller assembly is
approximately 36 kg (80 lb).
24. Install bolts (13) and the washers. The torque for bolts (13) is 60 ± 7 N·m (44 ± 5 lb ft).
Illustration 14 g00456176
25. Use Tooling (B) to install bearing (12) in pump drive gear (11).
Illustration 15 g00456168
Illustration 16 g00456172
26. Install pump drive gear (11) and drive gear shaft (10).
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19. 27. Use Tooling (A) and a suitable lifting device to install the torque converter housing over the
torque converter. The weight of the torque converter housing is approximately 113 kg (250 lb).
28. Install bolt (9) and the washer that holds drive gear shaft (10) to the torque converter housing.
The torque for bolt (9) is 240 ± 40 N·m (180 ± 30 lb ft).
Illustration 17 g00456148
29. Install pump drive flange (8) and bolts (7). The torque for bolts (7) is 60 ± 12 N·m
(44 ± 9 lb ft).
Illustration 18 g00563276
30. Install bolts (6) and the washers that hold the torque converter to the torque converter housing.
The torque for bolts (6) is 50 ± 10 N·m (37 ± 7 lb ft).
31. Install O-ring seal (5).
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20. Illustration 19 g00563249
32. Install gear (3), retainer (2), and bolt (1). The torque for bolt (1) is 120 ± 20 N·m
(90 ± 15 lb ft).
33. Install torque converter speed sensor (4), the seal, and the washer. Adjust torque converter
speed sensor (4) to maintain an air gap of 0.71 ± 0.18 mm (0.028 ± 0.007 inch). The torque for
torque converter speed sensor (4) is 25 ± 5 N·m (18 ± 4 lb ft).
End By:
a. Connect the torque converter to the transmission and to the output transfer gears. Refer to
Disassembly and Assembly, "Torque Converter to Transmission, Output Transfer Gears -
Connect".
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sun Jun 27 20:49:14 UTC+0800 2021
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21. Shutdown SIS
Previous Screen
Product: WHEEL LOADER
Model: 972G WHEEL LOADER AAW
Configuration: 972G WHEEL LOADER (COMMAND CONTROL STEER.) AAW00001-00196 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly
966G and 972G Wheel Loaders Power Train
Media Number -RENR2106-08 Publication Date -01/05/2004 Date Updated -28/05/2004
i02642179
Transmission from Output Transfer Gears - Separate
SMCS - 3002-076
Separation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 3
Start By:
A. Separate the torque converter from the transmission. Refer to Disassembly and Assembly,
"Torque Converter from Transmission, Output Transfer Gears - Separate".
Note: Put identification marks on all harness assemblies for installation purposes. Plug all tube
assemblies. This helps to prevent fluid loss, and this helps to keep contaminants from entering the
system.
Illustration 1 g01325525
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22. 1. Remove bolts (1) and remove drain tube assembly (2) .
Illustration 2 g01325543
2. Attach Tooling (A) and a suitable lifting device to transmission planetary (4) .
3. Remove O-ring seal (3) .
Illustration 3 g01325555
Illustration 4 g01325557
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23. 4. Disconnect harness assemblies (6). Disconnect harness assembly (8) .
5. Remove bolts (5) which hold transmission planetary (4) to output transfer gear case (7) .
Note: If necessary, use forcing screws in order to separate transmission planetary (4) from
output transfer gear case (7) .
6. Use Tooling (A) and the suitable lifting device in order to separate transmission planetary (4)
from output transfer gear case (7). The weight of transmission planetary (4) is approximately
545 kg (1200 lb).
Copyright 1993 - 2021 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sun Jun 27 20:50:11 UTC+0800 2021
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24. Shutdown SIS
Previous Screen
Product: WHEEL LOADER
Model: 972G WHEEL LOADER AAW
Configuration: 972G WHEEL LOADER (COMMAND CONTROL STEER.) AAW00001-00196 (MACHINE) POWERED BY 3306 ENGINE
Disassembly and Assembly
966G and 972G Wheel Loaders Power Train
Media Number -RENR2106-08 Publication Date -01/05/2004 Date Updated -28/05/2004
i02299775
Transmission Planetary - Disassemble
SMCS - 3160-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 138-7575 Link Bracket 3
B 1P-0520 Driver Gp 1
C 8H-0663 Bearing Puller 1
Start By:
A. Separate the transmission from the output transfer gears. Refer to Disassembly and Assembly,
"Transmission from Output Transfer Gears - Separate".
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent dirt from entering the internal
mechanism.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation
purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep
contaminants from entering the system.
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25. Illustration 1 g00458960
1. Remove O-ring seal (1) from the housing.
2. Remove bolt (3), retainer (2), and drive gear (4) from the end of the input shaft.
Illustration 2 g00459007
3. Remove plate (5) .
Illustration 3 g00459030
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26. 4. Attach Tooling (A) and a suitable lifting device to the transmission, as shown. The weight of
the transmission is approximately 544 kg (1200 lb).
5. Carefully position the planetary group on the opposite end so that No. 6 clutch housing (6) is
facing upward, as shown.
Illustration 4 g00459073
6. Remove retaining ring (8) from output shaft (7) .
Illustration 5 g00459075
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.
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27. 7. Remove bolts (9) and No. 6 clutch housing (6). Mark the location of the long bolts.
Illustration 6 g00459079
8. Remove clutch piston (10) from No. 6 clutch housing (6) .
9. Remove seal rings (11) and (12) from clutch piston (10) .
Illustration 7 g00459087
10. Remove clutch plate (14) and springs (13) .
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29. Illustration 11 g00459138
14. Remove metal seal ring (20) from carrier assembly (19) .
Illustration 12 g00459150
15. Use a hammer and a punch to push the spring pins through carrier assembly (19) and into
planetary shafts (21) .
Illustration 13 g00459151
16. Use a hammer and a punch to remove planetary shafts (21) from carrier assembly (19) .
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30. Illustration 14 g00324725
17. Remove thrust discs (22), planetary gears (23), and bearings (24) from the carrier assembly.
Remove spring pins (25) from planetary shafts (21) .
Illustration 15 g00459161
18. Remove O-ring seal (26). Remove bolts (27) from manifold (28) .
Illustration 16 g00565113
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31. 19. Disconnect the harness assemblies which are attached to transmission modulating valves (29).
Remove transmission modulating valves (29) from the transmission housing.
Illustration 17 g00459316
20. Remove retaining ring (32) and gear (30). Remove retaining ring (31) .
Illustration 18 g00459322
21. Use Tooling (A) and a suitable lifting device to remove manifold (28). The weight of manifold
(28) is approximately 85 kg (190 lb).
22. Remove bolt (33) which holds the harness assembly in place.
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32. Illustration 19 g00459352
23. Remove retaining ring (34) and bearing (35) from manifold (28) .
Illustration 20 g00459369
24. Remove retaining ring (36) and clutch housing (37) .
Illustration 21 g00459372
25. Remove O-ring seal (38) from clutch housing (37) .
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33. Illustration 22 g00459375
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.
26. Use steel spacers and a suitable press to push on retainer plate (40). Remove retaining ring (39)
from the clutch housing.
Illustration 23 g00459387
27. Separate retaining ring (39), retainer plate (40), three coned disc springs (41), and clutch piston
(42) .
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34. Illustration 24 g00459393
28. Remove seal rings (43) from clutch piston (42) .
Illustration 25 g00459394
29. Remove seal rings (44) from clutch housing (37) .
Illustration 26 g00565119
30. Remove retaining ring (45) from the output shaft. Remove hub (46) .
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