John Deere约翰迪尔强鹿4缸柴油发动机点火顺序1-3-4-2 气门调整方法
NOTE: Firing order is 1-3-4-2.
1. Using JDG1571 or JDE81-4 Timing Pin, lock No. 1piston at TDC compression stroke (B).
2. Adjust valve clearance on No. 1 and 3 exhaust valvesand No. 1 and 2 intake valves.
3. Turn crankshaft 360°. Lock No. 4 piston at TDCcompression stroke (C).
4. Adjust valve clearance on No. 2 and 4 exhaust valvesand No. 3 and 4 intake valves.
A—Front of Engine
B—No. 1 Piston TDC Compression
C—No. 4 Piston TDC Compression
E—Exhaust Valve
I—Intake Valve
John Deere约翰迪尔强鹿6缸柴油发动机点火顺序1-5-3-6-2-4. 气门调整方法
NOTE: Firing order is 1-5-3-6-2-4.
1. Lock No. 1 piston at TDC compression stroke (B).
2. Adjust valve clearance on No. 1, 3 and 5 exhaustvalves and No. 1, 2, and 4 intake valves.
3. Turn crankshaft 360°. Lock No. 6 piston at TDCcompression stroke (C).
4. Adjust valve clearance on No. 2, 4 and 6 exhaustvalves and No. 3, 5, and 6 intake valves.
A—Front of Engine
B—No. 1 Piston TDC Compression
C—No. 6 Piston TDC Compression
E—Exhaust Valve
I—Intake Valve