HATZ Diesel 4M42 - Manual (Page 35)

Overview
Pos. Designation
1 Manual lever (fuel feed pump)
2 Return line
Procedure
Step Activity
1 If there is air in the fuel system:
Fill with fuel if necessary.
2 Remove the access cap.
3 Actuate the manual lever (1) on the fuel feed pump until the fuel
audibly flows back into the fuel tank through the return line (2).
4 Install the access cap again.
7.3.2 Pumping fuel with the manual fuel pump
Requirements
Pre-pumping of fuel with the manual fuel pump is necessary in the following
situations:
▪ Engine shuts down due to empty fuel tank
▪ at first filling of the fuel tank
▪ after changing the fuel filter
2-4L41C, 2-4M41, 2-4M41Z, 4L42C, 4M42 Operation and use
HATZ Operator's Manual 35