Volvo Penta D1-13 - 21-4 Valve Mechanism; Valve Adjustment and Removal

21-4 Valve Mechanism
Valves, Adjustment
Stopped engine and cold engine
1 Remove the
air filter housing (1) and valve cover
(2).
2 D1-13
Crank the engine clockwise until the valves (1) for
no. 1 cylinder overlap. Then crank the engine
exactly one more turn. You can now adjust the
valves for no. 1 cylinder. Refer to item 3 for the
adjustment procedure.
Crank the engine clockwise until the valves (2) for
no. 2 cylinder overlap. Then crank the engine
exactly one more turn. Adjust the valves for no. 2
cylinder.
D1-20, D1-30
Crank the
engine clockwise until the valves for no.
1 cylinder overlap. Adjust no. 2 inlet valve (1) and
no. 3 exhaust valve (2). Refer to item 3 for the
adjustment procedure. Crank the engine clock-
wise until the valves for no. 2 cylinder overlap.
Adjust no. 3 inlet valve (3) and no. 1 exhaust valve
(4). Crank the engine clockwise until the valves for
no. 3 cylinder overlap. Adjust no. 1 inlet valve (5)
and no. 2 exhaust valve (6).
1
2
P0008109
2
2
1
1
P0008110
1
4
6
3
2
5
P0008111
21-4 Valve Mechanism
70 47701798 05-2013 © AB VOLVO PENTA