Zf 4wg200 pdf

If a Shift Control has not a normal pressure because of long-term service, put a washer not exceeding 1mm in pole chamber under the spring is useful.

In addition there is another hole on this plate what is the position of oil intake, if this hole is not clean, the oil-distributor plate must be check because there are more dirties under this plate. Here the dirty comes from the filter. Anyway this washer should be renewed every time.

The concave was downward to hold the solenoid. The torque of bolts was 7—8Nm. The solenoid always was damaged by water in oil. In this case, the solenoid M1 which is in charge reversing can be damaged early. SEM wheel loader adopts semiautomatic control. The difference between semi- and fully automatic control primarily lies in the load- and speed- dependent automatic gearshifts with the fully automatic control.

The housing bust be connected to the chassis mass. The positions speeds 1 to 4 are selected by turning grip, the driving direction by swiveling grip forward F-neutral N- reverse R.

With transmission having only 3 reverse speeds, the speed 3R is engaged in position 4R. Following this method, check all the gears position. This means that normally only the Out-put for starter interlock and Reversing Lights have to be actuated by relays. Then a speed can be engaged. After a short holding time 2 seconds , the 2nd gear of the opposite direction of the travel is engaged, and finally it is shifted up into the pre-selected gear. Function only available at 1st and 2nd gears on ZF range selector offer an easy and comfortable operati on system for wheel loader drivers, during the operation.

The transmission can be shifted automat ically from 1F to 2R. It interrupts the power flow in the transmission as long as this signal is given. In SEM products, this signal is supplied by Brake Switch which mounted on the Main Braking Valve and this pressure cut off function be activated by the relay which mounted in the microprocessor control unit housing.

These signals will be eliminated as soon as a specified maximum speed is exceeded for wheel loader: 2nd gear. Its failure during travel is detected by the electronic control. A failure will also be assumed when the vehicle has already refersed at least once and then stands still for longer than 10 sec. Furthermore reverse shifts from the 3rd and the 4th are only possible to the 2nd gear of the reverse direction of travel.

In case of gear engagement from neutral the highest available gear will be selected and then downshifts will be made step by step to the pre-selected lower gear. In this case, there is no automatic up-shifting to a possible pre-selected higher gear. To obtain this clearance make sure use the former washer when you change this new sensor. Use glue on the screw of the new sensor in case of oil leakage. In case of inadmissible combinations e.

The same applies when the power supply exceeds specific limits or in case of short-circuit. The same applies for the up-shift interlock after an former inductive sensor failure. In this case, the interlock will also be canceled as soon as pre-selected and engaged gear are identical. At the oil-level check,, the oil dipstick has to be inserted into the oil level pipe until contact is obtained.

Besides, a cover plate has to be planned to protect the parking brake against oil wetting. On a level and horizontal roadway it is possible that the vehicle begin to creep, because the idling is creating through the converter a slight drag torque. Thus if the condition is permitted, the vehicle must be braked down first with the foot brake at the downshifting of speeds to gradually slow down the speed and then shift the speed.

Downgrades against inadvertent rolling away not only by a pplication of the parking brake but additionally by a brake block on the wheel, if the driver has th e intention to leave the. If this pressure is dropping at engaged clutch below the prescribed minimum pressure at the shifting itself, the pressure will drop for a short time , the reason for the pressure drop must be eliminated. The consequences of a too low control pressure are damages of the clutches which are constantly slipping because of a too low contact force, and are therefore damaged by overheating.

On the schedule of measuring points and the oil circulation diagrams, the measuring points of the single speeds, the converter pressures and the lubricating pressure can be seen. The final decisive standard for the oil —level is to meet the requirement of the hot oil —level check. After we co nfirm all these components are normal we can estimate this Control Unit is damaged. If transmission still have noise, repair transmis sion. Open navigation menu.

Close suggestions Search Search. User Settings. Skip carousel. Carousel Previous. Carousel Next. What is Scribd? Explore Ebooks. Bestsellers Editors' Picks All Ebooks. Explore Audiobooks. Bestsellers Editors' Picks All audiobooks. Explore Magazines. Electronic workshop manual contains repair and service informartion, maintenance instructions, a complete description of troubleshoot procedures for power transmission ZF WG and WG Electronic manual includes illustrations, which help to get a detailed description of all the systems of transmission ZF.

Workshop manual helps to quickly and easily calibrate transmission ZF, fix problems, to solve any problems, find information about the equipment. This manual comes in PDF. Electro-hydraulic gearbox control: 1. Cast-iron gearbox control; 1. Aluminium sand-casting gearbox control; 1. Aluminium die-cast gearbox control 2. Torque converter: 2. Disassembly; 2. Reassembly 3. Gearbox: 3. Disassembly; 3.

Reassembly 4. Retarder: 4. Disassembly; 4. Reassembly 5.