1. Check the cylinder pressure or vacuum.
2. Check and adjust the valve clearance.
3. Check whether the thermostat works normally.
4. Check whether the multi-way directional valve, lifting cylinder, tilt cylinder, steering cylinder and gear pump work normally.
5. Check whether the transmission shifts normally.
6. Check and adjust the clearance between the brake pad and brake drum of hand and foot brakes.
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 firmly installed, whether they are clean and firm with the connector, and whether the carbon brush and commutator are worn.
9. Check the tightness of the fan belt.
10. Check whether the wheel is firmly installed, whether the tire pressure meets the requirements, and remove the sundries embedded in the tread.
11. If the parts are disassembled due to maintenance work, the forklift road test shall be carried out after reassembly.
(1) The braking performance under different degrees shall be free from deviation and snaking. On steep slopes, it can stop reliably after the hand brake is tightened.
(2) Listen for abnormal sound when the engine is running under acceleration, deceleration, heavy load or no load.
(3) After the road test for a certain mileage, check whether there is overheating at the brake, transmission, front axle housing and gear pump.
(4) Whether the lifting speed of the fork frame is normal and whether it trembles.
12. Check whether the filter screen at the oil inlet of the diesel tank is blocked or damaged, and clean or replace the filter screen.