CLUTCH GP-MARINE TRANSMISSION 2N7079 - Caterpillar

Table 1
Required Tools    
Part Number    Description    Qty    
FT-2547     Blocker Pin     1    
6V-9509     Face Seal Plug     1    
6V-8398     O-Ring Seal     1    
    Remote drain hose with an inside diameter of 20 mm (0.79 inch)     1    
    Wrench
29 mm (1.14 inch)     1    
    Container for measuring     1    
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.
Stop the engine.
Release the pressure in the hydraulic system. Refer to Testing and Adjusting, "Hydraulic System Pressure - Release".
Attach 311-1362 Vacuum Cap onto the hydraulic tank. Attach an air supply hose onto the assembly. Apply 276 to 414 kPa (40 to 60 psi). This procedure will pull a vacuum on the hydraulic system.
Illustration 1 g00714531
Sprocket (left track) (1) Sprocket (2) FT-2547 Blocker pin
Place blocker pin (2) in sprocket (1) in order to block forward left travel. Refer to Illustration 1.
Illustration 2 g00802985
Travel motor (3) 6V-9509 Face seal plug (4) 6V-8398 O-Ring seal (5) Case drain hose (6) Connector (7) Remote drain hose (8) Container for measuring
Disconnect case drain hose (5) from connector (6) . Install plug (3) and seal (4) in the open end of case drain hose (5) .
Connect one end of remote drain hose (7) to connector (6) . Place the other end of remote drain hose into the container (8) in order to measure the case drain oil.
Remove 311-1362 Vacuum Cap and install the filler plug for the hydraulic tank.
Start the engine.
Place the machine controls at the following settings: engine speed dial "10" and AEC switch OFF. Refer to Testing and Adjusting, "Engine Performance - Test (Engine Speed)" for engine rpm settings.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Move the left travel lever forward fully for one minute.
Measure the amount of case drain oil.
Remove blocker pin (2) from sprocket (1) .
Move the left travel lever in order to reposition the travel motor.
Place blocker pin (2) in sprocket (1) in order to block forward left travel.
Repeat Steps 11 through 15 in order to obtain three measurements of case drain oil.The following values specify the maximum acceptable flow of case drain oil when the travel crossover relief valves are set at 37500 1500 kPa (5450 220 psi). New travel motor ... 15 L/min (4.0 US gpm) Rebuilt travel motor ... 18 L/min (4.8 US gpm)