385B Excavator Hydraulic Tank Screen - Clean Caterpillar


Hydraulic Tank Screen - Clean
`


Illustration 1g00101435

  1. Park the machine on level ground. Lower the bucket to the ground so that the stick is vertical.


    Illustration 2g00579094

  2. Clean the area thoroughly in order to keep dirt out of the screen cover. Clean the area thoroughly in order to keep dirt out of the fill/vent plug.

  3. Relieve the internal pressure from the hydraulic tank by loosening the fill/vent plug. After the pressure is relieved, remove the fill/vent plug.


    Illustration 3g00838410
    (1) Bolts
    (2) Washers
    (3) Cover
    (4) Spring
    (5) Screen

  4. Remove bolts (1), washers (2) and cover (3).

    Note: Do not allow spring (4) to fall back into the tank.

  5. Remove spring (4) and screen (5).

    Note: Refer to Operation and Maintenance, "General Hazard Information" for information on containing fluid spillage.

  6. Wash the screen in a clean nonflammable solvent. Allow the screen to dry. Inspect the screen. Replace the screen, if the screen is damaged.


    Illustration 4g00838411
    (6) O-ring seal
    (7) O-ring seal

  7. Inspect O-ring seals (6) and (7). Replace the O-ring seals if wear or damage is evident.

  8. Install screen (5) and spring (4). Then install cover (3), washers (2), and bolts (1).

    Note: Make sure that the O-ring seals and the spring are properly positioned during installation.

  9. Inspect the O-ring seal on the filler plug for damage. Replace the O-ring, if necessary. Clean the filler plug. Install the filler plug.

Information System:

385B Excavator Hydraulic System Oil Level - Check
330C Excavator Boom/Stick/Bucket Combinations
2001/07/23 New Dump Cylinder Tubes are Available {5057}
385B Excavator Hydraulic System Oil Filter (Case Drain) - Replace
312C Excavator 3064 Engine Supplement Electric Starting Motor - Remove and Install - Engine In Chassis
385B Excavator Hydraulic System Oil Filter (Pilot) - Replace
5230B Excavator Hydraulic System Boom, Bucket, Stick, Swing and Travel Cycle Times
3126B Engine for Caterpillar Built Machines Digital Sensor Supply Circuit - Test
325D and 329D Excavators and 325D Material Handler Machine System Specifications Track Adjuster
3500B Engines for Excavators Air Inlet and Exhaust Lines
385B Excavator Fuel System Secondary Filter - Replace
446B Backhoe Loader Transmission (Autoshift) Transmission
385B Excavator Refrigerant Dryer - Replace
312C Excavator 3064 Engine Supplement V-Belts - Remove and Install
385B Excavator Swing Drive Oil - Change
330C Material Handler Fuses - Replace
446B Backhoe Loader Transmission (Autoshift) Transmission Hydraulic System
Procedure to Rework the Return Lines for the Margin Relief Valve{5057, 5069}
330C Excavator Engine Oil Level - Check
3126B Engine for Caterpillar Built Machines Electrical Power Supply Circuit - Test
312C Excavator 3064 Engine Supplement Alternator - Remove and Install
W345B Series II Material Handler Machine System Specifications Control Valve (Main)
446B Backhoe Loader Transmission (Autoshift) Transmission Control
5230B Excavator Electronic Systems Guide Location of Sensors