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Service standards
Location
4
Outer valve
spring
5
Inner valve
spring
7
Inlet valve
7, 17
Clearance between inlet valve stem and inlet valve
guide
8
Exhaust valve
8, 19
Clearance between exhaust valve
stem and exhaust valve guide
19
Seat width of inlet valve seat
20
Seat width of exhaust valve seat
23
Cylinder head
Ê Tightening torque
Location
Parts to be tightened
11
Glow plug
12
Bolt (Nozzle bridge mounting)
- Lubricant
Location
1
Slide contact areas of valve cap and rocker
6
Lip of valve stem seal
7, 8
Valve stem
Maintenance item
Without load
Installed load
(Installed length 47.25 {1.86})
Tilt
Without load
Installed load
(Installed length 40.3 {1.59})
Tilt
Stem diameter
Valve recess from the cylinder
head bottom surface
Valve margin
Valve seat angle
Outer diameter of stem
Valve recess from the cylinder
head bottom surface
Valve margin
Valve seat angle
Distortion of bottom
Height from top to bottom
Points of application
Standard value
(Basic diameter in [ ])
66.1 {2.60}
273±12 N
{62±2.6 lbf, 27.9±1.2 kgf}
—
60.0 {2.36}
119±4.4 N
{27±1.0 lbf, 12.1±0.45 kgf}
—
8.96 to 8.97 {0.3529 to 0.3531}
0.75 to 1.25 {0.030 to 0.049}
1.5 {0.059}
45°±15'
[9] 0.04 to 0.06
{[0.35] 0.0016 to 0.0024}
8.93 to 8.94 {0.3515 to 0.3519}
0.75 to 1.25 {0.030 to 0.049}
1.5 {0.059}
45°±15'
[9] 0.07 to 0.1
{[0.35] 0.0028 to 0.0039}
2±0.2 {0.079±0.0079}
2±0.2 {0.079±0.0079}
0.05 {0.0020} or less
95±0.1 {3.74±0.0039}
Tightening torque
15 to 20 {11 to 14, 1.5 to 2.0}
25 {18, 2.5}
Kinds
Engine oil
Engine oil
Engine oil
11
Unit : mm {in.}
Limit
Remedy
63.0 {2.48}
Replace
230 N {52 lbf,
Replace
23.7 kgf}
2.5 {0.098}
Replace
52.1{2.05}
Replace
79 N {18 lbf,
Replace
8.1 kgf}
2 {0.079}
Replace
8.85 {0.348}
Replace
1.5 {0.059}
Inspect
each part
1.2 {0.047}
Correct or
replace
—
Correct or
replace
0.15
Replace
{0.0059}
8.85 {0.348}
Replace
1.7 {0.067}
Inspect
each part
1.2 {0.047}
Correct or
replace
—
Correct or
replace
0.2
Replace
{0.0079}
2.8 {0.11}
Correct or
replace
2.8 {0.11}
Correct or
replace
0.2 {0.0079}
Correct or
replace
94.6 {3.72}
Replace
Unit : N·m {lbf.ft, kgf·m}
Remarks
—
—
Quantity
As required
As required
As required
11-17
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