MD31A; TMD31A; TMD31B; TAMD31A; TAMD31B; AD31; AQAD31A; AD31B; 290A; DP-A; DP-B; DP-A1; DP-B1; SP-A; SP-A1 Engine Camshaft and Valve Mechanism: A EPC Volvo Penta Parts catalog

Camshaft and Valve Mechanism: A

TMD31B

Pos.	Part No	Qty	Parts name	Comments
1.	838630	[1]	Camshaft
2.	1542221	[1]	Spacer washer
3.	910116	[1]	Woodruff key
4.	1542067	[5]	Camshaft bushing
5.	838992	[1]	Thrust washer
6.	946440	[2]	Flange screw
7.	1542034	[1]	Gear
8.	1542223	[1]	Washer
9.	965193	[1]	Flange screw
10.	1542208	[8]	Valve tappet
11.	838636	[8]	Push rod
12.	418301	[4]	Rocker arm	No.1,3,5,7
12.	418298	[4]	Rocker arm	No.2,4,6,8
13.	418297	[8]	Bushing
14.	418286	[8]	Ball stud
15.	921781	[8]	Hexagon nut
16.	838641	[1]	Rocker arm shaft
17.	955083	[1]	Cap plug
18.	840444	[1]	Sleeve
19.	914456	[2]	Snap ring
20.	411139	[3]	Compression spring
21.	400722	[2]	Shim
22.	840686	[2]	Spring washer
23.	838726	[1]	Adapter
24.	838647	[3]	Bearing bracket
25.	838732	[4]	Stud
26.	838637	[4]	Inlet valve
26.	838638	[4]	Exhaust valve
27.	419653	[8]	Valve guide
28.	859171	[8]	Valve stem seal
29.	1545198	[8]	Valve spring
30.	838639	[8]	Washer
30A.	1332137	[8]	Valve spring washer
31.	465284	[16]	Lock
32.	860686	[1]	Tube
33.	969198	[2]	O-ring
34.	7745620_021		timing gear casing and gears
34.