John Deere約翰迪爾強鹿4/6缸柴油發動機氣門調整的方法

John Deere約翰迪爾強鹿4缸柴油發動機點火順序1-3-4-2   氣門調整方法

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約翰迪爾強鹿6缸柴油發動機點火順序1-5-3-6-2-4.  氣門調整方法

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