1, one block, reverse gear normal, two block no driving force

First check the steer loader (skid) is in place, if not in place should be re adjusted. Then check the variable pressure gauge in the two block position whether the buck, if the buck, you must check the transmission of the 8 – shaped end cover of the periphery of the pressure oil outflow, if there is leakage phenomenon, you can tighten the bolt around. The above method still can not eliminate the faults, we must put the figure 8 cover removed, replace the O-ring and paper pad. At this point, if there is no pressure oil spill, it is proved that the two gear box has a problem, you must remove the two components. First check the oil seal outside the two block is damaged, and then break the two block component, remove the piston, check the piston ring, oil seal ring and the friction piece is damaged. Finally check the guide pin in the two block cylinder is off, if the guide pin off, the two block of the pressure oil from here a large number of outflow, resulting in two block pressure to reduce and can not travel. For the reasons for the buck, replace the seal or repair, change parts.

2, variable speed pressure, boom, bucket and steering are normal, but the loader is still unable to move forward and backward

First check the transmission box is short of oil and oil into the pipeline is blocked, and then check the transmission oil sump (motor electrical) and torque converter filter. If it is found that the metal fragments and other objects, it can be sure the gear box clutch parts were damaged in the Da Chao. If it is found that there are aluminum chips in the gearbox oil pan and the converter filter, it can be sure that the parts of the converter can be damaged. At this time, we must remove the transmission and torque converter, to repair and replace the damaged parts. Excluding the above reasons, cars are still unable to walk, we can determine the is the gearbox. Second gear component around the bolt is cut off,