Installation Of Cylinder Head - TOHATSU MD 70-90C2 Service Manual

Power Unit

31) Installation of Cylinder Head

Attach anode 1 to cylinder.
1.
2. Attach dowel pins to cylinder head, and then attach
gaskets and cylinder head cover.
Temporary tighten cylinder cover securing bolts (M6) in
the order of the numbers shown.
Temporary Tightening :
2 N · m (1.4 lb · ft) [0.2 kgf · m]
3. Attach cylinder head with head cover and cylinder head
gasket to cylinder.
Tighten cylinder head securing bolts (M8)
order of the numbers shown.
Temporary Tightening :
12 N · m (9 lb · ft) [1.2 kgf · m]
Final Tightening :
32 N · m (23 lb · ft) [3.2 kgf · m]
Tighten cylinder head securing bolts in two steps
to specified torque.
4. Finally tighten cylinder head cover securing bolts (M6).
Final Tightening :
6 N · m (4 lb · ft) [0.6 kgf · m]
5. Attach air injectors and air rail to cylinder head.
Refer to "Assembly of Air Rail" in Chapter 4.
5-46
to in the
1 14
1
13
9
5
2
1
4
8
12
14
10
6
2
3
3
7
1
11
TLDI 75/90C2 2010