1
2
3
4
Fuel prefilter
36
Cleaning fuel pre-cleaner
Fig. 1 and Fig. 2
D Unscrew the filter housing of the fuel prefilter
Fig. 3
D Clean filter housing and strainer in clean diesel
fuel and blow out with compressed air
D Reassemble with a new seal
D Screw on filter housing and tighten it to
10−12 Nm
Fig. 4
D Actuate plunger of hand priming pump until the
overflow valve of the injection pump opens au-
dibly
D Start engine
D Check fuel pre-cleaner for leaks