DISC 0614421 - Caterpillar

Start By:a. remove fuel injection linesb. remove fuel filter and basec. remove fuel transfer pump FLUID SPILLAGE CONTAINMENT Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to "TOOLS AND SHOP PRODUCT GUIDE, NENG2500", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates. The following illustrations are of a 3304 Engine. 1. Disconnect the governor control linkage from the governor.2. On 3304 Engines only: remove oil supply line (1), oil drain line (2) and heat shield (3). Cap and plug all openings immediately. Remove the O-ring seal from oil drain line (2) if it is damaged. Remove the gaskets and screen from the top of the turbocharger.3. Disconnect fuel drain lines (4) and (5) from the fuel injection pump housing and governor. Cap and plug all openings immediately. 4. Remove the nuts, washers and cover from the timing gear housing. Remove studs (6) if they are damaged or loose.5. Loosen bolt (7) enough to leave a gap of 3.18 mm (.125 in) between washer (8) and the fuel pump drive gear.6. Install Tooling (A) as shown. Tighten the stud to pull the fuel pump drive gear loose from the taper on the fuel injection pump camshaft.7. Remove Tooling (A), bolt (7) and washer (8) from the engine. 8. Fasten a nylon strap and hoist to the fuel injection pump housing and governor. The 3304 fuel injection pump housing and governor weighs 24 kg (53 lb). The 3306 fuel injection pump housing and governor weighs 29 kg (64 lb).9. Remove bolt (9), bolt (10), three nuts (11) and the fuel injection pump housing and governor. Remove the two O-ring seals from the bottom and the two O-ring seals from the front of the fuel injection pump housing and governor.Install Fuel Injection Pump Housing & Governor
The following illustrations are of a 3304 Engine. 1. Put clean engine oil on the O-ring seals. Install O-ring seals (1) in the bottom and O-ring seals (2) in the front of the fuel injection pump housing and governor. 2. Make sure O-ring seals (1) and (2) stay in position in the fuel injection pump housing and governor. Fasten a hoist to the fuel injection pump housing and governor, and put it in position on the engine. Install the two bolts at location (5) and the three nuts on studs (3) to hold the fuel injection pump housing and governor in position.3. Remove the bolts that hold cover (4) in position. Remove cover (4) and the gasket. 4. Put Tooling (A) in position as shown. Install the bolt that holds the fuel pump drive gear to the fuel injection pump camshaft without the washer. This will allow the camshaft in the fuel system to be turned.5. Put pressure on the