BEARING-ROLLER 1057536 - Caterpillar

Machine Preparation
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.
Position the machine on level ground.
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 g03324983
Swing motor (top view) (1) Swing motor (2) Swivel (3) Case drain line (4) Elbow
Locate case drain line (3) on top of swivel (2) .
Illustration 2 g03339889
Flow Meter Tool Layout (1) Swing Motor (2) Swivel (3) Case Drain Hose (4) Elbow (5) 6V-8398 O-Ring Seal (6) 157-2348 Elbow (7) 6V-8738 Connector (8) 7J-9108 O-Ring Seal (9) 8T-1710 Permanent Coupling (10) 6V-9476 Hose (11) 6V-8943 Reducer Assembly (12) 6V-9746 O-Ring Seal (13) 8C-6874 Connector (14) 6V-7788 Flow Meter (15) 6V-8397 O-Ring Seal (16) 6V-8936 Connector (17) 3E-7403 Connector (18) 6V-8397 O-Ring Seal (19) 6V-8781 Tee
Install the following tools in accordance with the flow meter tool layout. Refer to Illustration 2.
Disconnect case drain hose from elbow (4) .
Install tee (19) .
Install O-ring (15), connector (16), O-ring (5), and connector (7) to case drain hose (3) .
Install O-ring (18), connector (17), O-ring (5), and elbow (6) on tee (19) of swivel (2) .
Connect flow meter (14) between connector (7) and elbow (6) .Note: Correct orientation of the flow meter is necessary. The oil flows from swing motor (1) to swivel (2) .
Perform the following steps in order to engage the swing parking brake.
Illustration 3 g03323915
Main control valve (swing lines) (20) Adapter
Disconnect the pilot line from adapter (20) at the SBU port on the main control valve.
Install 6V-8397 O-Ring Seal and 6V-9829 Cap As on adapter (20) .
Install 6V-8397 O-Ring Seal and 6V-9508 Plug on the pilot line.
Remove 311-1362 Vacuum Cap and install the filler plug for the hydraulic tank.Test Procedure
Start the engine.
Place the machine controls at the following settings: engine speed dial "High Idle". Refer to Testing and Adjusting, "Engine Performance - Test (Engine Speed)" for engine rpm settings.
Place the hydraulic activation control lever in the UNLOCKED position.
Increase the hydraulic oil temperature to 55° 5°C (131° 9°F).
Slowly move the swing joystick and make sure that the swing parking brake is activated.
Move the swing joystick fully for 1 minute. Measure the case drain oil.
Repeat this test procedure three times in order to obtain three measurements. For each test procedure, swing the upper structure to a different position.The following values specify the maximum acceptable flow of case drain oil