2. Connect the rev counter to the engine: then warm up the engine.
3. Then apply the handbrake and press the foot brake, set the gear selector lever to position "D".
4. Press the accelerator pedal all the way down and note the engine speed then release the pedal Do not hold the pedal down for more than 5 seconds, otherwise the hydrokinetic transmission will overheat. After 20 seconds, repeat the test Accordingly, for gearbox types, the overload rotation speed should be equal to
TJA 2390 to 2640 rpm
TKA 2340 to 2390 rpm
Note: It is necessary to subtract 125 rpm for every 1000 m of altitude above sea level.
5. If the overload speed is higher than this, the forward clutch or the 1st speed unidirectional clutch may slip. It is necessary to repeat the test in position 1, if the load speed is now correct, then the 1st speed unidirectional clutch is damaged, if the speed is still very high, then the forward clutch is damaged
6. Overload speed up to 200 rpm and below this value indicates engine wear or poor adjustment.
7. If the measured overload speed is less than 200 rpm lower limit, the rotor of the one-way clutch of the hydrokinetic transmission is damaged, but first check whether the motor is adjusted correctly. If adjustment is necessary, check the overload speed
8. Turn off the engine and disconnect the rev counter.
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