3512E Engines Caterpillar


Fuel Control Valve - Remove and Install - Primary

Usage:

3512E BZ3

Removal Procedure


NOTICE

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.


------ WARNING! ------

Do not open the high pressure fuel system without allowing the fuel system to purge. After the engine has shut down, allow the fuel system to purge for ten minutes. This operating fuel system contains high pressure. Exposure to high pressure fuel can result in personal injury.




    Illustration 1g06201066

  1. Remove bolts (2). Remove fuel control valve (1).


    Illustration 2g01347728

  2. Check O-ring seals (3), (4), and (5) on fuel control valve (1).

Installation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
Loctite LB 8632 Silicone Lubricant (1) 
- Loctite LB 8104 Silicone Lubricant (2) 
- Loctite LB 8801 Silicone Lubricant (3) 
- Loctite LB Superlube (4) 
(1) North America
(2) EAME
(3) Asia Pacific Division
(4) South America


    Illustration 3g01347728

  1. Lubricate O-ring seals (3), (4), and (5) with Tooling (A).


    Illustration 4g06201066


    Illustration 5g01347742

  2. Position fuel control valve (1). Install bolts (2). Tighten bolts (2) in the sequence that is shown in Illustration 5. Tighten bolts (2) to a torque of 6 N·m (53 lb in). Tighten bolts (2) in the sequence that is shown in Illustration 5. Tighten bolts (2) to a torque of 12 N·m (106 lb in).

Note: Following repairs to the high-pressure fuel system, accumulator plugs on opened cylinders should be removed. A successful completion of the"Fuel Systems Function Test (FSFT)" using CATET must be performed. Upon completion of the FSFT, accumulator plugs are to be reinstalled.

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