D343 ENGINE Caterpillar


Fuel Injection Equipment

Usage:

Firing order ... 1-5-3-6-2-41-5-3-6-2-4

Injection timing (BTC)

Industrial engine ... 11°11°

Marine engine ... 8°8°

1 Torque-retaining bushing ... 150±10 lb. ft.20,7±1,4 mkg

2 5M2697 Spacer ... .170 in.4,32 mm

2M4208 Spacer ... .174 in.4,42 mm

2M4209 Spacer ... .178 in.4,52 mm

2M4210 Spacer ... .182 in.4,62 mm

2M4211 Spacer ... .186 in.4,72 mm

2M4212 Spacer ... .190 in.4,82 mm

5M2691 Spacer ... .194 in.4,93 mm

5S7189 Spacer ... .198 in.5,03 mm

3 Bore-rack bearing:

Rear bearing ... .5011-.5037 in.12,727-12,793 mm

Front bearing ... .5008-.5038 in.12,720-12,796 mm

Diameter-fuel rack ... .4983-.4987 in.12,656-12,666 mm

Maximum permissible bearing clearance ... .005 in.0,127 mm

4 Dimension-fuel injection timing:

On engine with 8S7167 Gauge ... 4.3385-4.3425 in.110,198-110,299 mm

Off engine with 8S7167 Gauge ... 4.390-4.394 in.111,506-111,607 mm

5 Length-pump plunger ... 2.7209-2.7215 in.69,110-69,126 mm

Minimum permissible plunger length ... 2.7159 in.68,983 mm

6 Bore-camshaft bearing ... 2.1245-2.1255 in.53,962-53,987 mm

Diameter-camshaft bearing journal ... 2.1215-2.1225 in.53,886-53,911 mm

Maximum permissible bearing clearance ... .010 in.0,25 mm

7 Torque-fuel line nut ... 30±5 lb. ft.4,1±0,7 mkg

8 Torque-nozzle retaining nut ... 105±5 lb. ft.14,5±0,7 mkg

9 Body

10 Nozzle finger tight in body

11 Torque-glow plug ... 120±24 lb. in.138,4±27,6 cm.kg

12 Torque-precombustion chamber ... 150±10 lb. ft.20,7±1,4 mkg

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