DL06K Interim Tire-4 Diesel Engine Technical Information
38
2.3.24. Valve clearance adjust procedure
z Rotate the crankshaft to make #1 cylinder piston to reach the compression TDC
(top dead center) and then, adjust the valve clearance.
z
Unfasten the rocker arm fixing nut and insert the clearance gauge between
rocker arm and valve and then, adjust each clearance with adjusting screw and
fasten the fixing nut.
z Adjust the valve clearance as follows, when the engine cools down.
Engine model Intake valve (A) Exhaust valve (B)
DL06K 0.3 mm 0.4 mm
< Adjust the valve clearance by the following sequence.>
Rotate the engine so that #6 cylinder valve is overlapped.
Adjust the clearance of the valve corresponding to "A," when #1 cylinder
reaches TDC.
Adjust the "B" marking part, when #5 cylinder reaches TDC (180 °C rotation).
Rotate the crankshaft one time (360 °C rotation) so that #1 cylinder valve is
overlapped.
Adjust the clearance of the valve corresponding to "C" in the following table,
when #6 cylinder reaches TDC.
Adjust the "D" marking part, when #2 cylinder reaches TDC (540 °C rotation).
Check the valve clearance again, and adjust it again, if necessary.
EJ9OM089
A
B
Rocker arm
Rocker arm
Calliper adjusting
screw
Calliper
Calliper
Intake valve spring
(inside & outside)
Intake valve
Valve seat
Valve seat
Push rod
Push rod
Valve adjusting bolt
Valve
adjusting
nut
Exhaust valve spring
(inside & outside)
Exhaust valve
Adjusting
screw
Intake valve adjusting Exhaust valve adjusting
Valve adjusting
nut
Valve adjusting
screw
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