This article mainly introduces Fuel Caterpillar 3208 Diesel Engine Fuel System Adjustments
The timing of the fuel injection pump can be checked and changed if necessary,to make compensation formovement in the taper sieeve drive or worn timing
gears.The timing can be checked and if necessary.
changed using the following method.
2. Turn the crankshaft COUNTERCLOCKWISE(as seen from rear of engine) until timing pin(2) goes into the notch in the camshaft for the fuel injection pumps.
3. Remove the fitting from timing hole(4) in the tront cover. Put bolt(3) through the front cover and intothe hole with threads in the timing gear. The bolt from hole (5) can be used.
Installing Boit
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(3)1D4539 Bolt,5/16 in-18 NC,63.5mm(2.5 in) long.(4) Timing hole.(5) Hole.
4. If the timing pin is in the notch in the camshaft for the fuel injection pumps, and bolt (3) goes into the hole in the timing gear through timing hole(4), the timing of the fuel injection pump is correct.
NOTE: If bolt(3) does not go in the hole in the timing gear with timing pin (2) in the notch in the camshaft, use the procedure that follows.
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a. Remove nuts (7) and the cover for the tachometer drive assembly(6).
b. Remove the tachometer drive shatt(9) and washer(8) from the camshaft for the fuel injection pumps.
NOTE: Tachometer drive shaft (9) and washer(8) are removed as an assembly.
c. Put 6V4069 Puler (10) on the camshaft for the fuel injection pumps. Tighten bolts (11) until the drive gear on the camshaft for the fuel injection pumps comes loose.
d. Remove the 6V4069 Puller.
e. Turn the crankshaft COUNTERCLOCKWISE(as seen from rear of engine) until bolt(3) goes into the hole in the timing gear. With timing pin(2)
in the notch in the camshaft for the fuel injection pumps, and bolt (3) in the hole in the timing gear, the timing for the engine is correct.f. Install washer(8) and tachometer drive shaft(9).
Tighten tachometer drive shaft to 149±14N·m
(110±10 lbft). Remove timing pin(2).
