Service Manual for WD10 Diesel Engine ATTENTION: In the adjusting process, you should rotate the bolt assembly 2 until the feeler gauge is gently infibulated, so that valve rocker piston 5 can be pushed to the bottom and no clearance between piston and piston hole bottom. 11 Hexagon bolt 12 Supporting arm 1 Adjusting nut 2 Bolt 3 Valve-rocker assembly 4 Steel ball 10 Pushrod end 5 Valve-rocker piston 6 Piston spring 9 Rocker seat 7 Roller pin 8 Ball valve spring Fig. 2-10 Exhaust valve and EVB clearance adjusting (6) Check the valve clearance again and readjust if necessary. Replace fuel filter element Follow the steps below to replace fuel filter element:
Remove the old fuel filter element; if the water collector that installed on coarse filter can be reused, please the take collector down. Lubricate the seal. Screw on the filter with hand until the seal touched the port. Continue to tighten the filter with hand until it is firmly installed (About 3/4 circle). Drain all air in fuel system out. Perform leakage test. ATTENTION: After replacing the spinning coarse filter or reassembling the oil delivery pipes, it is required to deflate the coarse filter. Deflating steps (as shown in Fig. 2-11): Shut down the engine. Remove the air bleed screw.
Operate the hand pump until only oil outflows from air bleed screw port Screw on air bleed screw tightly. 17