Lubrication & Maint./2000 Hour/24 Month 4-Cylinder Engine: A NOTE: Firing order is 1-3-4-2. E I 4 E 3 I E 2 I E 1 I 1. Using JDG1571 or JDE81-4 Timing Pin, lock No. 1 piston at TDC compression stroke (B). B 2. Adjust valve clearance on No. 1 and 3 exhaust valves and No. 1 and 2 intake valves. E 4 I E 3 I E 2 I E 1 I RG12357 –UN–29MAY02 3. Turn crankshaft 360 ° . Lock No. 4 piston at TDC compression stroke (C). C 4-Cylinder Valve Adjustment 4. Adjust valve clearance on No. 2 and 4 exhaust valves and 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 OUO1089,0000208 –19–12MAR03–4/5 6-Cylinder Engine: A NOTE:
Firing order is 1-5-3-6-2-4. E 6 I E 5 I E 4 I E 3 I E 2 I E 1 I 1. Lock No. 1 piston at TDC compression stroke (B). B RG12170 –UN–21MAY02 2. Adjust valve clearance on No. 1, 3 and 5 exhaust valves and No. 1, 2, and 4 intake valves. E 6 I E 5 I E 4 I E 3 I E 2 I E 1 I 3. Turn crankshaft 360 ° . Lock No. 6 piston at TDC compression stroke (C). C 4. Adjust valve clearance on No. 2, 4 and 6 exhaust valves and No. 3, 5, and 6 intake valves. 6-Cylinder Valve Adjustment A—Front of Engine B—No. 1 Piston TDC Compression C—No. 6 Piston TDC Compression E—Exhaust Valve I—Intake Valve OUO1089,0000208 –19–12MAR03–5/5 35-14 021604 PN=172