Counterbalance Forklift
Disassembly and Assembly Method of Forklift Crankshaft Flywheel Assembly Jun 27 , 2024
I. Disassembly and assembly sequence of forklift spare parts crankshaft and flywheel
The disassembly sequence of crankshaft and cylinder block is as follows:
1. Remove the oil pan, then remove the oil pump, the front and rear oil seal flange bolts of the crankshaft, and then remove the oil seal flange and the intermediate shaft cover seat. Note that when disassembling the intermediate shaft of a gasoline engine, the gasoline pump and distributor must be removed first;
2. Remove the crankshaft main bearing cover bolts, remove each bearing cover and mark the order;
3. After removing the crankshaft front oil seal flange bolts, remove the oil seal flange on the front oil seal seat cover; if the oil seal is replaced, the oil seal flange screws must be removed;
4. Remove the crankshaft bearing and connecting bearing;
5. Remove the thrust washer;
6. Lift the crankshaft and remove all crankshaft bearings.
II. Disassembly of flywheel and clutch assembly
1. Diesel forklift truck engine flywheel and clutch assembly. Fix the flywheel with a press (puller), remove the flywheel screw, and rotate the screw to pull out the flywheel fastened to the engine crankshaft. Remove the flywheel and the clutch friction plate, pressure plate, release bearing and release bearing seat together;

2. Use a special tool to pry off the retaining ring in the first shaft, and then use a screwdriver to push the first shaft into the gearbox; or some cars have screws on the gearbox shell that slowly rotate to shrink the first shaft.

3. Use a clutch press to press the clutch pressure plate, or tighten the clutch pressure plate with screws, remove the pressure plate and protective plate, take out the clutch pressure plate, and then loosen the bolts or press;

4. Loosen the release bearing seat fixing bolts, remove the release bearing seat and replace the release bearing;

5. If the oil seal of the first shaft leaks oil, remove the bolts, remove the rear oil seal seat cover, remove and replace the new oil seal and paper pad; when replacing the oil seal, the oil seal can be removed with a special tool. When disassembling, tap the oil seal at different parts until the oil seal falls off. Avoid damage to the oil seal seat, etc.
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