CUSHION 1869738 - Caterpillar

Table 1
"Travel Motor - Test (Measurement of Case Drain Oil)"    
Date     Machine Serial Number    
Machine Settings     Crossover Relief Pressure     Engine Speed    
37500 + 1500 - 2000 kPa (5439 + 218 - 290 psi) Engine speed dial "10"
AEC switch OFF    
Item     Specification (1)     Left Travel     Right Travel    
New Travel Motor    
16 L/min (4.2 US gpm)     1.     1.    
2. 2.
3. 3.
Rebuilt Travel Motor    
19 L/min (5.0 US gpm)     1.     1.    
2. 2.
3. 3.
( 1 ) Maximum acceptable flow
Table 2
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat 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 g00714521
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 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 1 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