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TA19-M2WD and TA19-M4WD Agricultural Transmissions Caterpillar


Transmission - Assemble

Usage:

TA19-M2WD T2Z

Assembly Procedure

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Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     138-7575     Link Brackets     4    
B     1U-9202     Lever Puller Hoist     1    
C     1P-2420     Transmission Repair Stand     1    
D     154-6181     Forcing Screws     2    
E     203-5581     Plate     1    
G     FT-2769     Table     1    
H     5P-4758     Retaining Ring Pliers As     1    
J     207-8153     Shaft Retainer     1    
K     8T-5096     Dial Indicator Gp     1    
L     1U-8846     Gasket Sealant     -    

Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts in cleaning fluid. Allow the parts to air dry. Do not use wiping cloths or rags to dry parts. Lint may be deposited on the parts which may cause trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. Dirt and other contaminants can damage the precision component. Perform assembly procedures on a clean work surface. Keep components covered and protected at all times.

Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.

Note: Lubricate all seal rings and O-ring seals prior to assembly.

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NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.

Dispose of all fluids according to local regulations and mandates.

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    Illustration 1g01270596

  1. Lower the temperature of bearing cups (144). Install bearing cups (144) .
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    Illustration 2g01270589

  1. Refer to Steps 24 through 27 in order to assemble clutch assembly (143) .

  1. Use two people in order to install clutch assembly (143). The weight of clutch assembly (143) is approximately 25 kg (55 lb). Install bolts (142) .
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    Illustration 3g01270555

    Input Shaft

  1. Install bearings (141) and thrust washer (139) onto shaft assembly (128). Install gear (140), thrust washer (139), and spacer (138). Raise the temperature of bearing cone (137). Install bearing cone (137). Install the seal rings after installation of bearing cone (137) .

    Note: The procedure for the assembly of the clutch packs are identical.

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    Illustration 4g01270098

  1. Install thrust washer (134) and bearings (136) onto shaft assembly (128). Install gear (135), thrust washer (134), and spacer (133) .
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    Illustration 5g01270092

  1. Install gear (132), gear (131), spacer (130), and spacer (129) onto shaft assembly (128) .

  1. Raise the temperature of bearing cone (127) and install bearing cone (127) onto shaft assembly (128) .
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    Illustration 6g01270078

    Output Shaft

  1. Install spacer (126) and bearing (125) onto shaft assembly (99). Install gear (124), thrust washer (123), tube (122), sun gear (121), and thrust washer (120) onto shaft assembly (99) .
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    Illustration 7g01270067

  1. Install planetary carrier (119) and spacer (118) onto shaft assembly (99). Raise the temperature of bearing cone (117). Install bearing cone (117) onto shaft assembly (99) .
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    Illustration 8g01280580

  1. Install rotor (116) and bolts (115) onto shaft assembly (99) .
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    Illustration 9g01269983

  1. Install bearing (112) onto shaft assembly (99). Install gear (111), thrust washer (110), spacer (109), sun gear (108), and thrust washer (107) onto shaft assembly (99) .
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    Illustration 10g01269978

  1. Position bearings (103), gear (104), thrust disc (102), and shaft (106) onto carrier (101). Install shaft (106). Install pin (105) .
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    Illustration 11g01269976

  1. Install planetary carrier (101) and spacer (100) onto shaft assembly (99). Raise the temperature of bearing cone (98). Install bearing cone (98) onto shaft assembly (99) .
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    Illustration 12g01269969

    Intermediate Shaft

  1. Install bearing (97) onto shaft assembly (80). Install gear (96), thrust washer (95), spacer (94), and gear (93) onto shaft assembly (80) .
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    Illustration 13g01269968

  1. Install gear (92), spacer (91), and spacer (90) onto shaft assembly (80). Raise the temperature of bearing cone (89). Install bearing cone (89) onto shaft assembly (80) .
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    Illustration 14g01280589

  1. Raise the temperature of bearing cone (88). Install bearing cone (88) onto shaft assembly (80) .
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    Illustration 15g01270211

  1. Install thrust washer (83) onto shaft assembly (80). Install bearing (85) onto shaft assembly (80). Install gear (84), thrust washer (83), spacer (82), and spacer (81) onto shaft assembly (80). Raise the temperature of bearing cone (79). Install bearing cone (79) onto shaft assembly (80) .
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    Illustration 16g01270206

  1. Install seal (78) onto piston (77). Install seals (76) onto piston (77). Install piston (77) onto shaft assembly (55) .
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    Illustration 17g01269765
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    Illustration 18g01269767

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    ------ WARNING! ------

    Improper assembly of parts that are spring loaded can cause bodily injury.

    To prevent possible injury, follow the established assembly procedure and wear protective equipment.

    ----------------------

  1. Use Tooling (J) in order to install spring (75). Install seal assembly (74) and spacer (73) onto shaft assembly (55). Use Tooling (H) in order to install retaining ring (71) .
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    Illustration 19g01269758

  1. Install the friction discs and plates (70) onto shaft (55). Install clutch plate (69). Use Tooling (H) in order to install retaining ring (68). Install thrust washer (67) and bearings (66) .
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    Illustration 20g01269751

    Reverse Shaft

  1. Install gear (65) and thrust washer (64). Install spacer (63). Raise the temperature of bearing cone (62). Install bearing cone (62) .
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    Illustration 21g01269685

  1. Install spacer (59), gear (58), spacer (57), and spacer (56) onto shaft assembly (55). Raise the temperature of bearing cone (54). Install bearing cone (54) onto shaft assembly (55) .
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    Illustration 22g01281829

  1. Attach Tooling (E) and a suitable lifting device to shaft assemblies (52). The weight of shaft assemblies (52) is approximately 370 kg (820 lb). Install shaft assemblies (52) .
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    Illustration 23g01269438
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    Illustration 24g01269440

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    ------ WARNING! ------

    Improper assembly of parts that are spring loaded can cause bodily injury.

    To prevent possible injury, follow the established assembly procedure and wear protective equipment.

    ----------------------

  1. Install seals (47) and (49) onto piston (48) .

  1. Install dowels (50) onto housing (51), if necessary. Install springs (46) and dowels (45). Install plates (44) and discs (43) .
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    Illustration 25g01269435

  1. Install ring gear (42) and reaction plate (41). Install bolts (40) .
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    Illustration 26g01269430

  1. Install O-ring seals (39) onto clutch assembly (38) .
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    Illustration 27g01269302

  1. Use two people in order to install clutch assembly (38). The weight of clutch assembly (38) is approximately 25 kg (55 lb). Install bolts (37) .
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    Illustration 28g01269287

  1. Lower the temperature of bearing cup (36). Install bearing cup (36) .
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    Illustration 29g01269241
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    Illustration 30g01269240

  1. Install O-ring seal (35). Apply Tooling (L) to case assembly (32). Attach Tooling (A) and a suitable lifting device to case assembly (32). The weight of case assembly (32) is approximately 365 kg (800 lb). Install case assembly (32) and bolts (34). Install tube assembly (33) .
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    Illustration 31g01269226

  1. Lower the temperature of bearing cup (30). Install bearing cup (30) into bearing cage (27). Install shims (31) .
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    Illustration 32g01269222

  1. Install bearing cage (27) and bolt (26) .

  1. Repeat Steps 31 and 32 for the remaining bearing cages.

  1. Install tube assembly (29) and bolt (28) .
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    Illustration 33g01281835

  1. Attach Tooling (A) and a suitable lifting device to the shaft assembly. Install Tooling (K). Apply a slight lifting tension on the shaft assembly. Use Tooling (K) in order to check the end play of the shaft assembly. The end play should be between 0.050 mm (0.0020 inch) and 0.100 mm (0.0039 inch). Add or remove shims as shims are required.

    Note: It is important to rotate the shaft during the end play adjustment in order to seat the bearings properly.

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    Illustration 34g01269221

  1. Install bearing cones (25) onto gear (24) .
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    Illustration 35g01269183

  1. Use two people in order to install gear (24). The weight of gear (24) is approximately 32 kg (70 lb). Install ring (23) .
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    Illustration 36g01269176

  1. Use two people in order to install gear (22). The weight of gear (22) is approximately 23 kg (50 lb). Install retainer (21) and bolt (20) .
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    Illustration 37g01269118

  1. Lower temperature of bearing cup (19). Install bearing cup (19). Install lip seal (17) and O-ring seals (18) after adjusting the end play of the shaft assembly.
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    Illustration 38g01269068
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    Illustration 39g01269063

  1. Position shims (16). Install bearing cage (15) .
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    Illustration 40g01269057

  1. Install Tooling (A) and bolts (14) .
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    Illustration 41g01269055

  1. Install cover assembly (12). The weight of cover assembly (12) is approximately 60 kg (130 lb). Install bolts (11). Position harness assembly (13) .
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    Illustration 42g01281866

  1. Attach Tooling (A) and a suitable lifting device to the shaft assembly. Install Tooling (K). Apply a slight lifting tension to the shaft assembly. Use Tooling (K) in order to check the end play of the shaft assembly. The end play should be between 0.050 mm (0.0020 inch) and 0.100 mm (0.0039 inch). Add or remove shims as shims are required.

  1. Reinstall the bearing cage with the lip seal and the O-ring seals.
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    Illustration 43g01269046

  1. Install O-ring seal (8) and yoke (9). Install retainer (10) and bolt (7) .

  1. Use Tooling (A), Tooling (B), and a suitable lifting device in order to reposition transmission (6). The weight of transmission (6) is approximately 1315 kg (2900 lb).
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    Illustration 44g01270685

  1. Install lip seal (148) into seal ring housing (146) .
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    Illustration 45g01270632

  1. Install O-ring seals (147) into seal ring housing (146) .
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    Illustration 46g01279115

  1. Install seal ring housing (146) and bolts (145) .
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    Illustration 47g01280780
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    Illustration 48g01279344

  1. Install seal carriers (114) and install bolts (113) .
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    Illustration 49g01269011

  1. Install the O-ring seals. Use Tooling (A) and a suitable lifting device in order to install housing (2). The weight of housing (2) is approximately 35 kg (75 lb). Install bolts (1) .
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    Illustration 50g01269023

  1. Install electronic control module (4) and bolts (5). Connect harness assemblies (3) .

End By: Install the input speed sensor. Refer to Disassembly and Assembly, "Speed Sensor (Transmission) - Install".

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