Technical Description:
Before Modification:
Only one type of engine guide tube seat ring press-fitting can be carried out.
After modification:
1. Compatible with two types of diesel engine guide tube seat ring press-fitting.
2. When designing seat ring press-fitting heads for new models, the guide tube remains unchanged. When changing models, manually switch the seat ring press-fitting head. 3. Redesign and renovate the liquid nitrogen tank to accommodate the new seat ring size. 4. Manually switch between two types of material channels when changing models. 5. Manually switch the cylinder head fixture when changing models

Technical Description:
Before modification: Manual pre-tightening and tightening of bolts. After the transformation: Manual pre-tightening at the upper station, automatic tightening at this station, saving one worker.

Technical Description: Before the renovation: Two types of engine oil, two workstations, manual oil filling, oil filling at the oil port and the main oil passage. After the transformation: single station, fully automatic oil filling at the oil port and main oil passage, automatic switching between two types of oil at two positions, saving one worker.