COUPLING 1178116 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A FT-2674 Vacuum Cap 1 Start By:
Release the hydraulic system pressure.
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.
Illustration 1 g01209599
Remove the cap from the hydraulic tank. Install Tooling (A) onto the hydraulic tank. Attach an air supply hose to Tooling (A). Apply 276 to 414 kPa (40 to 60 psi) of air. This procedure will pull vacuum on the hydraulic system.
Illustration 2 g01209620
Bottom view
Remove plate (1).
Illustration 3 g01209628
Disconnect harness assembly (3). Disconnect hose assemblies (4). Remove switch assembly (5) and the fitting. Remove fittings (2).
Illustration 4 g01209662
Remove bolts (7) and pedal (6).
Illustration 5 g01209666
Remove bolts (8).
Illustration 6 g01209669
Remove auxiliary pilot valve (9).Installation Procedure
Illustration 7 g01209669
Install auxiliary pilot valve (9).
Illustration 8 g01209666
Install bolts (8).
Illustration 9 g01209662
Install pedal (6) and bolts (7).
Illustration 10 g01209628
Install fittings (2). Install switch assembly (5) and the fitting. Connect hose assemblies (4). Connect harness assembly (3).
Illustration 11 g01209620
Bottom view
Install plate (1).
Illustration 12 g01209599
Remove Tooling (A).