Level 1 technical maintenance: According to the daily maintenance items, and add the following tasks:
1. Check the cylinder pressure or vacuum degree.
2. Check and adjust the valve clearance.
3. Check whether the thermostat works normally.
4. Check whether the multi-way reversing valve, lifting cylinder, tilt cylinder, steering cylinder and gear pump work normally.
5. Check whether the shifting work of the transmission is normal.
6. Check and adjust the gap between the brake pads of the hand and foot brakes and the brake drum.
7. Replace the oil in the oil pan, check whether the crankcase ventilation pipe is intact, and clean the oil filter and diesel filter element.
8. Check whether the generator and starter motor are installed firmly, whether the wiring head is clean and firm, and whether the carbon brush and commutator are worn.
9. Check the tightness of the fan belt.
10. Check whether the wheel is installed firmly, whether the tire pressure meets the requirements, and remove the sundries embedded in the tread.
11. Parts are disassembled due to maintenance work, and the forklift road test shall be carried out after reassembly.
(1) The braking performance under different degrees should be free from deviation or snaking. On steep slopes, after the hand brake is tightened, it can stop reliably
(2) Listen to whether the engine is running under acceleration, deceleration, heavy load or no load, and whether there is any abnormal sound.
(3) After a certain mileage of road test, check the brake, transmission, front axle housing and gear pump for overheating.
(4) Whether the lifting speed of the fork frame is normal and whether there is tremor.
12. Check if the filter at the oil inlet of the diesel tank is blocked or damaged, and clean or replace the filter.
