Mitsubishi L2E Service Manual

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Service Manual Mitsubishi L-Series diesel engines
Version 08/2004
CYLINDER HEAD
ENGLISH
ENGINE MAIN PARTS
9.5 Repair of valve seat
If a valve seat is found defective, reface or replace it.
Figure 39 Checking valve sinkage
Figure 40 Refacing valve seat (Both inlet and
exhaust valves)
Seat contact and wear
Valve sinkage
Width of valve contact:
1.3 to 1.8 mm
[0.0512 to 0.0709 in.]
Sinkage of valve
Standard Service limit
0.5 mm [0.0197 in.] 1.5 mm [0.0591 in.]
Table 19 Sinkage of valve
CAUTION
a. When checking valve sinkage, the valve guide
must be in the normal condition.
b. Resurface the valve seat so that it contacts the
mid-portion of the valve face.

Mitsubishi L2E Specifications

General

Engine Model	L2E
Number of Cylinders	2
Starting System	Electric starter
Lubrication System	Forced lubrication by trochoid pump
Cooling System	Water-cooled