WAGNER HC 920 Operating Manual

Also see for HC 940: Operating manual

Contents

WAGNER HC 920 Operating Manual Manual pdf 50 page image

48 HC 920 • HC 940 • HC 960GBServicing10. Servicing10.1 General servicingThe unit should be serviced once a year by the Wagner Service.1. For servicing of the gasoline engine, refer to the engineinstructions.2. Check the high-pressure hoses for damage.3. Check the inlet and outlet vents for wear.4. Check oil level in hydraulic oil tank.5. Carry out an oil change if necessary.10.2 Checking the oil level in the hydraulic oiltanki Gasoline units — Check oil level daily.DangerElectric units — Switch off unit “O” (OFF).Remove the mains plug from the socket.1. Turn oil measuring stick (fig. 18, item 1) to the left and pullout.2. The oil level should be visible between the marking (seearrows) on the oil measuring stick.3. If necessary, refill oil. For information on the oil grade,refer to the oil change section, chapter 10.3.min:max:110.3 Oil and oil filter change ot the hydraulic oilpumpCarry out oil and oil filter change once every 12 months.i Danger to the environmentDo not dispose of waste oil into the sewer or soil.Polluting the ground water is a crime. Waste oilcan be returned where hydraulic oil is bought.i Carry out an oil change while the unit is stillwarm from operation.DangerElectric units — Switch off unit “O” (OFF).Remove the mains plug from the socket.1. Turn off the gasoline engine or electric motor.2. Move the hydraulic ball valve (fig. 19, item 1) on thematerial feed pump to its vertical position (open).3. Remove the screws on the hydraulic oil pump cover (2)and remove cover.4. Turn oil measuring stick (3) to the left and pull out.5. Screw out oil filter (4) with a strap spanner and replace.6. Screw out sealing screw (5) under the hydraulic oil tank.Drain the waste oil.7. Replace the sealing screw into the hydraulic oil tank.8. Fill in 4.7 liters of ESSO NUTO H 32 hydraulic oil.i When oil is filled in, air can enter thehydraulic system. Therefore, the system must bevented.9. Let the unit run for at least five minutes at low pressure toautomatically bleed the air from the hydraulic system.3154 210.4 High-pressure hoseInspect the high-pressure hose visually for any notches orbulges, in particular at the transition in the fittings. It must bepossible to turn the union nuts freely.