John Deere POWERTECH 4045 - Manual (Page 174)

Lubrication & Maint./2000 Hour/24 Month
OUO1089,0000208 –19–27JUL06–4/5
A
B
E
I
4
E
3
I
E
2
I
E
1
I
E
4
I
E
3
I
E
2
I
E
1
I
C
RG12357
–UN–29MAY02
4-Cylinder Valve Adjustment
A—Front of Engine
B—No. 1 Piston TDC Compression
C—No. 4 Piston TDC Compression
E—Exhaust Valve
I—Intake Valve
4-Cylinder Engine:
NOTE: Firing order is 1-3-4-2.
1. Using JDG1571 or JDE81-4 Timing Pin, lock No. 1
piston at TDC compression stroke (B).
2. Adjust valve clearance on No. 1 and 3 exhaust valves
and No. 1 and 2 intake valves.
3. Turn crankshaft 360
°
. Lock No. 4 piston at TDC
compression stroke (C).
4. Adjust valve clearance on No. 2 and 4 exhaust valves
and No. 3 and 4 intake valves.
OUO1089,0000208 –19–27JUL06–5/5
A
B
E
6
I
E
5
I
E
4
I
E
3
I
E
2
I
E
1
I
E
6
I
E
5
I
E
4
I
E
3
I
E
2
I
E
1
I
C
RG12170
–UN–21MAY02
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
6-Cylinder Engine:
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 exhaust
valves and No. 1, 2, and 4 intake valves.
3. Turn crankshaft 360
°
. Lock No. 6 piston at TDC
compression stroke (C).
4. Adjust valve clearance on No. 2, 4 and 6 exhaust
valves and No. 3, 5, and 6 intake valves.
35-14
080706
PN=172