PRODUCT INFORMATION
INDEX
DATE
Dep. 2
IT-G-E-10-001e G
August 2016
ADJUSTMENT OF GAS AND ETHANOL ENGINE VALVES.
VALVE CLEARANCE
3/4
Pairing of Cylinders at Top Dead Center
180
1 5 3 6 2 4 - - - - - - - - - -
6 2 4 1 5 3 - - - - - - - - - -
240
1 4 2 6 8 5 7 3 - - - - - - - -
8 5 7 3 1 4 2 6 - - - - - - - -
360
1 8 5 10 3 7 6 11 2 9 4 12 - - - -
6 11 2 9 4 12 1 8 5 10 3 7 - - - -
480/560
1 12 4 10 2 14 6 16 8 13 5 15 7 11 3 9
8 13 5 15 7 11 3 9 1 12 4 10 2 14 6 16
In all cases, when both valves of one cylinder are depressed (open, crossing stroke), the valves of the paired
cylinder are released (closed, on compression stroke) and can be adjusted.
12
0°
120°
PMS
PMS
10-9
3-4
60°
7-12
(PMS)
60°
60°
IGN
3-4
IGN
1-6
1-8
12-13
60°
60
°
5-2
60°
60°
8-11
60°
14-11
2-7
30°
6-3
16-9
(PMS)
30°
60°
30°
10-15
4-5
30°
60°
90°
90
°
1-8
90°
12
0°
5-2
90
°
IGN
PMS
2-7
6-3
1-6
IGN
PMS
4-5
FLYWHEEL ROTATION
FLYWHEEL ROTATION
FLYWHEEL ROTATION
FLYWHEEL ROTATION
Marks on flywheel
180
Marks on flywheel
240
Marks on flywheel
360/420
Marks on flywheel
480/560
5.2.43
O&M_2.002211.810_A_10_2016