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-directional valve, lifting cylinder, tilting cylinder, steering cylinder and gear pump work normally.
5. Check whether the shifting 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 connection is intact, and clean the oil filter and diesel filter element.
8. Check whether the generator and starter motor are installed firmly, and whether the terminal is clean and firm, and check 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. Dismantle parts due to maintenance work, after reassembly, forklift truck road test is required.
(1) The braking performance at different levels should be free from deviations and meandering. On a steep slope, after the hand brake is tightened, it can stop reliably.
(2) Listen for abnormal sound when the engine is running under acceleration, deceleration, heavy load or no load.
(3) After a road test for a mileage, check the brakes, 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 diesel oil inlet filter screen is blocked or damaged, and clean or replace the filter screen.
