Page 1
VALTRA – VALMET MEGA MEZZO HI-TEC WORKSHOP MANUAL...
Page 2
General Engine Electrical system Power transmission Brake system Steering sys- tem and Front axle Frame and Wheels Service Manual Cab and Shields Tractors Groups 10---100 Hydraulics Valtra Inc. 44200 Suolahti, Finland Tools...
Page 3
Model Code Page 1. 8. 2000 22. Fuel system 6000-- 8950 1. 9. 2002...
Page 4
Model Code Page 1. 4. 1997 22. Fuel system 6000-- 8750 1. 6. 1999 Repair instructions B. Bleeding thermostart system Always remove air from the glow plug fuel pipe when the pipe Fuel feed pump and fuel filter (Op no 222) or reservoir has been emptied during repair work etc.
Page 5
Model Code Page 22. Fuel system 6000-- 8750 1. 9. 1992 D. Checking overflow valve E. Changing fuel feed pump valves If the fuel feed pressure deviates from the prescribed value, 1. Clean the feed pump. Disconnect fuel pipes to the feed check the opening pressure of the overflow valve.
Page 6
Model Code Page 1. 8. 1998 22. Fuel system 6000-- 8750 1. 6. 1999 Fuel injection pump and injectors (Op no 223) (Bosch in ---line pump) Note! Concerning fuel injection pumps with a new type gov- ernor, see page 223/8. 9025 99000 A.
Page 7
Model Code Page 8. 11. 1990 22. Fuel system 6000-- 8750 1. 9. 1992 9052 48900 5. Use puller 9052 48900 and loosen the gear from the injec- tion pump camshaft front end. 6. Remove the injection pump attaching nuts (17 mm). Remove the injection pump.
Page 8
Model Code Page 22. Fuel system 6000-- 8750 1. 9. 1992 E. Checking/changing delivery valve 5. Bleed the fuel system (Op no 222 A). 6. Adjust the injection timing (Op B). 1. Clean the injection pump, injectors and surrounding parts. Disconnect the delivery pipes.
Page 9
Model Code Page 22. Fuel system 6000-- 8750 1. 9. 1992 2. Ensure that the throttle lever is in the idling position and that the engine is at normal operating temperature. 3. Start the engine and loosen the adjusting screw of the addi- tional spring so that it does not affect the idling speed.
Page 10
Model Code Page 22. Fuel system 6000-- 8750 1. 9. 1992 G. Removing injectors 1. Clean the injectors and the area around them. Disconnect the delivery pipes and the leak ---off pipes. 9051 71300 2. Secure the injector in a test bench and check the follow- ing: --- injector opening pressure --- the properties of the chattering (creaking) sound and the...
Page 11
Model Code Page 22. Fuel system 6000-- 8750 1. 9. 1992 Tightness of nozzle Press down the tester pump lever until the pressure rises to approx. 20 bar below the adjusting value. Maintain this pres- sure for approximately 10 seconds and check whether drops of fuel are formed on the point of the nozzle.
Page 12
Model Code Page 22. Fuel system 6000-- 8750 1. 9. 1992 K. Fitting delivery pipes J. Fitting injector in engine 1. Check the state of the pipes. If there are kinks, damage by chafing, or if the tapered sealing end is damaged, the pipes 1.
Page 13
Model Code Page 1. 8. 1998 22. Fuel system 6800, 8750 1. 6. 1999 8950 L. Adjusting injection timing on 6800, 8750 and 8950 tractors Important! Adjusting fuel injection timing on 6800, 8750 and 8950 tractors and later on all tractors which have Bosch in --- line pump (G4720 --- (320), G2358 --- (420) and G5294 --- (620, 634), the injection timing is adjusted according to this instruc- tion.
Page 14
Model Code Page 15. 5. 1996 22. Fuel system 6800 1. 6. 1999 Manifold pressure compensator on 6800 tractor (Bosch LDA) Note! Boost control is fitted also on 8750 and 8950 tractors which have SigmaPower system. The boost control unit on the governor housing has been connected via a hose to the engine inlet manifold.
Page 15
BUY NOW Then Instant Download the Complete Manual Thank you very much! ...
Need help?
Do you have a question about the VALMET 6000 and is the answer not in the manual?
Questions and answers