New Hybrid Hydraulic Hoses Are Available for TH55-E70 and TH55-E90 Petroleum Transmissions {3016, 5057}
- Petroleum Transmission
- TH55FT-E70 (S/N: PCJ1-UP)
- TH55FT-E90 (S/N: THE1-UP)
New hybrid hydraulic hoses are available to replace the steel lines on the TH55-E70 and TH55-E90 Petroleum Transmissions.
Parts
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| Required Parts | |||
|---|---|---|---|
| Item | Qty | Part Number | Description |
| 1 | 2 | 126-2001 | Special Flange |
| 2 | 2 | 228-7095 | O-Ring Seal |
| 3 | 1 | 462-0428 | Hybrid Line As |
| 4 | 1 | 462-0430 | Hybrid Line As |
| 5 | 2 | 4J-0526 | O-Ring Seal |
| 6 | 4 | 6V-8400 | O-Ring Seal |
| 7 | 2 | 6V-9855 | Elbow |
| 8 | 8 | 8T-4183 | Bolt |
| 9 | 8 | 8T-4223 | Hard Washer |
Safety
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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 machine. 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 Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose of all fluids according to local regulations and mandates. |
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| NOTICE |
|---|
|
Do not allow any dirt or foreign material to get into the hydraulic system during assembly, connection of lines, when components are filled with fluid, or during any maintenance operation. |
Disassembly
- Remove existing hardware (A). Components of existing hardware (A) are the following: 8C-4436 Bolt, 6V-8188 Nut, two 5P-1076 Hard Washers and two 5R-1238 Clamps.
Note: These parts will be reused during final assembly.
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Illustration 2 g03761622 Right side view
(B) Existing hardware ( 304-3354 Tube As)
(C) Existing hardware ( 371-2894 Tube AsShow/hide table
Illustration 3 g03761624 Left side view
(D) Existing hardware - Remove and discard existing hardware (B), (C, and) (D). Existing hardware consists of the following: four 1P-4579 Half Flanges, eight 8T-4184 Bolts, eight 8T-4223 Hard Washers, two 7F-8267 O-Ring Seals and two 228-7095 O-Ring Seals.
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| |
| Illustration 1 | g03761620 |
|
Right side view (A) Existing hardware | |
Assembly
- Install two O-ring seals (6) and two elbows (7) to the hose end of hybrid line assemblies (3) and (4). Tighten hand tight.
- Install one O-ring seal (5) and one special flange (1) to the torque converter filter base using four bolts (8) and four hard washers (9). Torque bolts to
100 ± 20 N·m (75 ± 15 lb ft) .Show/hide table
Illustration 5 g03761639 Right side view
(E) Existing elbow
(2) 228-7095 O-Ring Seal
(3) 462-0428 Hybrid Line As - Install one O-ring seal (2) and hybrid line assembly (3) to existing elbow (E) on transmission case. Tighten hand tight.
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Illustration 6 g03761642 Front left view
(1) 126-2001 Special Flange
(6) 6V-8400 O-Ring Seal
(7) 6V-9855 Elbow - Assemble O-ring seal (6) and elbow (7) to special flange (1).
- Tighten fittings starting at filter end (Illustration 6) of the hybrid line assembly (3) and working toward the elbow on the torque converter housing (Illustration 5). Tighten fittings at filter head to
215 ± 15 N·m (160 ± 10 lb ft) . Tighten fitting at torque converter elbow to215 ± 15 N·m (160 ± 10 lb ft) .Show/hide table
Illustration 7 g03761646 Front view
(F) Area - Inspect that hybrid line assembly (3) is not contacting torque converter housing at areas (F). If hose is contacting housing, adjustment of the elbow at the torque converter housing may be required.
- Install one O-ring seal (6) and one special flange (1) to hybrid line assembly (4). Tighten hand tight.
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Illustration 8 g03761648 Front left view
(1) 126-2001 Special Flange
(5) 4J-0526 O-Ring Seal
(6) 6V-8400 O-Ring Seal
(7) 6V-9855 Elbow
(8) 8T-4183 Bolt
(9) 8T-4223 Hard Washer - Install one O-ring seal (5) and one special flange (1) to the transmission filter base using two bolts (8) and two hard washers (9) in the lower holes. Special flange (1) will be installed at an angle, use bolt to draw the flange up to filter housing face. Install final two bolts (8) and two hard washers (9). Torque bolts to
100 ± 20 N·m (75 ± 15 lb ft) .Show/hide table
Illustration 9 g03761651 Right side view
(G) Existing transmission hose assembly
(2) 228-7095 O-Ring Seal
(4) 462-0430 Hybrid Line As - Install tube end of hybrid line assembly (4) with one O-ring seal (2) to existing transmission hose assembly (G). Tighten hand tight.
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Illustration 10 g03761652 - Install existing hardware (A) between hybrid line assemblies (3) and (4). Components of existing hardware (A) are the following: 8C-4436 Bolt, 6V-8188 Nut, two 5P-1076 Hard Washers and two 5R-1238 Clamps. Tighten hand tight.
- Tighten fittings starting at filter end of hybrid line assembly (4) and working toward existing transmission hose assembly (G). Tighten fittings at filter head to
215 ± 15 N·m (160 ± 10 lb ft) . Tighten existing hardware (A) bolt and nut to105 ± 20 N·m (75 ± 15 lb ft) before tightening final fitting at existing transmission hose (G). Tighten fitting at existing transmission hose (G) to215 ± 15 N·m (160 ± 10 lb ft) .
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| |
| Illustration 4 | g03761638 |
|
Front left view (1) 126-2001 Special Flange (5) 4J-0526 O-Ring Seal (6) 6V-8400 O-Ring Seal (7) 6V-9855 Elbow (8) 8T-4183 Bolt (9) 8T-4223 Hard Washer | |
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