Be prepared for it when it happens by simply purchasing this service manual for later use! See below for a list of items that most of our manuals cover. Some manuals actually cover more items that are not even listed! Your Satisfaction is very important to us. Download Now. Open the side covers on both sides of the hydraulic tank and remove the lower cover plates. Disconnect the governor control rod from the injection pump. Remove the preheating relay bracket and the bracket for air conditioning drier filter if fitted from the bracket by the engine induction manifold.
Place the drier filter on the frame without disconnecting the hoses. Loosen the bracket for the engine oil and the coolant draining hoses. Disconnect fuel lines from injection pump and feed pump. Loosen the water trap and put it on the frame Swing out the radiator and condenser if fitted , remov e the fan and the fan hub.
Remov e the attaching stays, 3 pcs, for the air guide ring. Remove the fan belts and the belt pulley. Also remove the belt pulley for the air conditioning compressor if fitted Remove fan belt pulley complete with hub, bracket and tensioning pulley, see Fig.
Figure 2 Fan belt pulley complete with hub, bracket and tensioning pulley Remove the breather filter and loosen the secondary steering pump, if fitted Free the electrical lead for the air filter dust indicator from the tank Connect a lifting device to the engine, see Fig. Remove the bolts between engine mounting and rubber cushion. Remove the bolts between the engine and the transmission. Specifications, L90B Where tolerance limits have been given and unless otherwise stated, these apply to new parts and are not wear tolerances Weights approx.
Unless otherwise stated the data are the same for all three versions of the engine, i. General Designation, basic version. Specifications Unless otherwise stated the data are the same for all three versions of the engine, i.
Specifications Important! Nuts and bolts which are not listed here, see [Invalid linktarget]. Engine See also separate Service Manual for the engine. Specifications, L90B Unless otherwise stated the data are the same for all three versions of the engine, i. General Oil pressure. If the machine is not provided with a display unit and there is no service display unit available, the rotational speed can b e checked with a frequency meter.
Th e signal, which is checked, is the signal which the control unit ECU obtains from the speed sensor. The following applies when checking: L90B: Low idling speed:. Units using a lot of electricity and any AC-unit should be turned off. Remove the wall lining by the electrical distribution box. Disconnect the connector OA from the circuit board. The frequency rotational speed is checked in connector OA at pin 1 signal and at pin 2 chassis connection , see Fig.
The machine travelling speed can be checked in the same connector OA at pin 4 signal and at pin 2 chassis connection. Slacken the bleeder screw on the filter head. Pump with the hand pump until fuel free from air bubbles flows out. Tighten the bleeder screw. Slacken the pressure equaliser slightly using E at the back of the injection pump and repeat the pumping with the hand pump as described above.
Slacken the delivery pipes at the injectors and crank the engine with the starter motor until fuel free of air bubbles squirts out. Tighten the delivery pipe unions. Start the engine and check that there are no leaks. Fuel system, bleeding, L90B. JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
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