WEICHAI WP10.270 - Page 24

Operation and Maintenance Manual forWP10 Series Four-valve Diesel Engine (China IV, V)
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Table 5-1Adjustment of valve clearances
No. 1 cylinder
No. 2
cylinder
No. 3
cylinder
No. 4
cylinder
No. 5
cylinder
No. 6 cylinder
No. 1 cylinder,
compression stroke
Intake/exhaust
valves
Intake
valve
Exhaust
valve
Intake
valve
Exhaust
valve
Non-adjustable
No. 6 cylinder,
compression stroke
Non-adjustable
Exhaust
valve
Intake
valve
Exhaust
valve
Intake
valve
Intake/exhaust
valve
Adjustment of exhaust valve with EVB:
Figure 5-11 Adjustment of exhaust valve and EVB clearances
With the piston at TDC of compression stroke;
Loose nut 1;
Adjust the screw 1 till the clearance between the screw and the valve bridge is “0”;
Loose nut 2;
Adjust the screw 2 and set a feeler gauge (0.6mm) in between the screw 2 and the valve bridge;
Adjust the screw 2 to make the feeler gauge being clamped by the small piston;
Adjust the valve clearance 0.6mm, turn the adjusting screw till the feeler gauge being clamped and then lock the
nut;
Adjust the screw 1 and set a feeler gauge (0.4mm) in between the valve bridge and the screw 1;
Adjust the screw 1 to make the feeler gauge being clamped by the small piston and then lock the nut;
Check the valve clearance and make adjustment if necessary.
 Replace the fuel filter element (figure 5-12)
Replace the fuel filter element as follows:
a. Remove the used fuel filter element, if the water collector installed on the primary filter can be reused, please