BLOCK AS 7Y4832 - Caterpillar

Table 1
Required Tools    
Part Number    Description    Qty    
FT-2542     Blocker pin     1    
6V-9511     Face Seal Plug     1    
6V-9746     O-Ring Seal     1    
    Remote drain hose with an inside diameter of 30 mm (1.18 inch)     1    
    Wrench
35 mm (1.375 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-2542 Blocker pin
Place blocker pin (2) in sprocket (1) in order to block forward left travel. Refer to Illustration 1.
Illustration 2 g01132656
Travel motor (3) Case drain hose (4) Connector
Disconnect case drain hose (3) from connector (4) . Install 6V-9511 plug and 6V-9511 seal in the open end of case drain hose (3) .
Connect one end of remote drain hose to connector (4) . Place the other end of remote drain hose into the container 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 engine speed dial at position "10" and AEC switch OFF.ReferenceRefer 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 track block assembly (2) from sprocket (1) .
Move the left travel lever in order to reposition the travel motor.
Place track block assembly (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 37780 1480 kPa (5470 215 psi). New travel motor ... 38 L/min (10.0 US gpm) Rebuilt travel motor ... 44 L/min (11.6 US gpm)