| Required Tools | ||
|---|---|---|
| Part Number | Description | Qty |
| 6V-9511 | Face seal plug | 1 |
| 6V-9746 | O-Ring seal | 1 |
| Remote drain hose with an inside diameter of 30 mm (1.2 inch) |
1 | |
| Container for measuring | 1 | |
| FT-2542 | Track block assembly | 1 |
| 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 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. |
- Stop the engine.
- Release the pressure in the hydraulic system. Refer to Testing and Adjusting, "Hydraulic System Pressure - Release".
- Place track block assembly (A) in sprocket (B) in order to block forward left travel.
 | |
| Illustration 1 | g00839423 |
(A) FT2542 Track Block Assembly (B) Sprocket | |
- Disconnect case drain hose (3) from elbow (4). Install Face seal plug (1) and O-Ring seal (2) in the open end of case drain hose (3) .
 | |
| Illustration 2 | g00851375 |
(1) 6V-9511 Face seal plug (2) 6V-9746 O-Ring seal (3) Case drain hose (4) Elbow (5) Remote drain hose (6) Container for measuring | |
- Connect one end of remote drain hose (5) to elbow (4). Place the other end of remote drain hose into container (6) in order to measure the case drain oil.
- Start the engine.
- Place the machine controls at the following settings: Engine speed dial "10", AEC switch OFF, Digging Mode and Gain/Response (normal). Refer to Testing and Adjusting, "Engine Performance - Test" for engine rpm settings.
 | |
| Illustration 3 | g00726210 |
(C) Display for Digging Mode (D) Key for Digging Mode | |
- Place the hydraulic activation control lever in the UNLOCKED position.
- Increase the hydraulic oil temperature to 55° ± 5°C (131° ± 9°F).
- Operate full travel control for one minute.
- Measure the amount of case drain oil.
- Remove track block assembly (A) from sprocket (B) .
- Move the travel control lever in order to reposition the travel motor.
- Place track block assembly (A) in sprocket (B) in order to block forward left travel.
- Repeat Steps 10 through 14 in order to obtain three measurements of case drain oil.
The following values specify the maximum acceptable flow of case drain oil when the signal relief setting is 35000 ± 490 kPa (5075 ± 72 psi) and the travel crossover relief valves are set at 40500 ± 1500 kPa (5875 ± 220 psi).
- New travel motor ... 30 L/min (7.9 US gpm)
- Rebuilt travel motor ... 34.5 L/min (9.1 US gpm)