NOZZLE 9Y0778 - Caterpillar

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     1P-0510     Driver Group     1    
B     FT-1987     Driver     1    
C     1U-6396     O-Ring Assembly Compound     1    Note: Inspect all the O-ring seals, the lip seals, and the gaskets. If necessary, replace the O-ring seals, the lip seals, or the gaskets.Note: Before the installation of the seals, use Tooling (C) to lubricate the seals.
Illustration 1 g00539292
Use Tooling (A) to install the inner lip seals and the outer lip seals in bracket (1) of the fuel transfer pump. Be certain that the lips of the seals are in the proper position. Apply clean engine oil on the lips of the seals.
Illustration 2 g00539293
Use Tooling (B) and a suitable press to install bearings (2) in bracket (1) of the fuel transfer pump in one stroke. Install the bearings until the bearings are 1.5 mm (0.06 inch) below the surface of the plate. The inside diameter of the bearings must be 12.736 mm (0.5014 inch) after the installation.
Illustration 3 g00539295
Install sleeves (4) in bracket (1) of the fuel transfer pump.
Install O-ring seal (5) in casing (3) of the fuel transfer pump. Position casing (3) of the fuel transfer pump over sleeves (4) that are on bracket (1) of the fuel transfer pump.
Illustration 4 g00539296
Install gear (6) and shaft (7) in the bracket of the fuel transfer pump and in the casing of the fuel transfer pump.
Illustration 5 g00539297
Use Tooling (B) and a suitable press to install bearings (8) in plate (9) in one stroke. Install the bearings until the bearings are 1.5 mm (0.06 inch) below the surface of the plate. The inside diameter of the bearings must be 12.736 mm (0.5014 inch) after the installation.
Illustration 6 g00539324
Install O-ring seal (10) in plate (9). Position plate (9) on the casing of the fuel transfer pump.
Illustration 7 g00539325
Use Tooling (A) to install the check valve in head (11). Install the check valve until the check valve contacts the shoulder in the bore. Before installation, be certain that the spring on the check valve faces the inside.Note: During the installation of head (11), be certain that the drain hole is open.
Illustration 8 g00539326
Position gasket (12) and head (11) of the fuel transfer pump on the plate. Install the two bolts that hold the fuel transfer pump together.
Illustration 9 g00539327
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Install relief valve poppet (13) and spring (14). Install cap (15) and the seal washer on the fuel transfer pump.
Illustration 10 g00539329
Install O-ring seal (16) around the fuel transfer pump. Apply clean engine oil to the O-ring seal.
Install drive coupling (17) on the shaft of the fuel transfer pump.End By: Install the fuel transfer pump. Refer to Disassembly and Assembly, "Fuel Transfer Pump - Installation" for the correct procedure.