134420-0020 ZEXEL 9 411 610 823 BOSCH BLEEDER SCREW 9411610823 1344200020

1. Unscrew and remove filter (right hand thread). 2. Clean the filter housing base. Be sure all of old filter gasket is removed. 3. Lubricate the filter gasket with clean diesel fuel and fill the filter with clean diesel fuel. 4. Install the filter. Tighten filter by hand until gasket contacts base; then tighten 1/2 turn more.5. Prime the system. Priming Fuel System:1. Loosen the cap on the tee on top of fuel filter base. 2. Operate starter until the flow of fuel from the filter is continuous and free of bubbles.3. Tighten cap. If engine fails to start, misfires or smokes, further priming is necessary.4. Loosen each fuel line nut one at a time at