Removing Cylinder Head - Mitsubishi S4Q User Manual

ENGINE MAIN PARTS
Figure 8 Removing rocker shaft assembly
Figure 9 Disassembling rocker shaft assembly
Figure 10

Removing cylinder head

Figure 11 Removing valves and valve springs
Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
7.1.1 Removing rocker shaft assembly
If the long bolt is loosened first, the rocker shaft
bracket might suffer damage.
7.1.2 Disassembling rocker shaft
7.1.3 Removing cylinder head
NOTE
If any parts of the cylinder head are faulty, check the
cylinder head bolts for torque with a torque wrench
before removing them.
7.1.4 Removing valves and valve springs
Valve
spring
pusher
NOTE
If the existing valves are to be reused, put a mark on
each valve for its location.
ENGLISH
CYLINDER HEADS AND VALVE
1) Loosen the adjusting screw one turn.
2) Loosen the bolts, long and short, that hold the
rocker shaft bracket to the cylinder head. Be
sure to loosen the short bolt first. Remove the
rocker shaft assembly from the cylinder head.
CAUTION
assembly
Arrange the disassembled rockers in the order
removed, so you can install them in that order at
reassembly. This will ensure the same rockershaft
clearance as before.
Remove the cylinder head bolts. Lift the head off
the crankcase.
Use valve spring pusher (30691-04500) to
compress the valve spring squarely, then remove
the valve cotters.
MECHANISM
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