308C CR Excavator Hydraulic System – Check Valve (Cooler Bypass) – Install

Installation Procedure


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 Tools and Shop Products Guide” for tools and supplies suitable to collect and contain fluids on Caterpillar products.

Dispose of all fluids according to local regulations and mandates.

Note: Check the O-ring seals for wear or for damage. Replace the components, if necessary.

    Illustration 1 g00877576

  1. Position check valve (10) and install bolts (9) .
  1. Connect hose assembly (8) .
  1. Position tube assembly (7) and install bolts (6) .

    Illustration 2 g00877575

  1. Position pipe assembly (5) and tube assembly (2), and install bolts (4) .
  1. Connect hose assembly (3) to tube assembly (2) .
  1. Connect hose (1) and tighten the hose clamp.