Yanmar 4TNV98, Service Manual

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4TNV98 & 4TNE98 Diesel Engine Section 3. Engine 75
Special Service Tools
No. Tool Name Applicable Model and Tool Size Illustration
Model L1 L2 d1 d2
4TNV98
0.787 in.
(20 mm)
2.953 in.
(75 mm)
0.256 in.
(6.5 mm)
0.394 in.
(10 mm)
4TNE98
0.787 in.
(20 mm)
2.953 in.
(75 mm)
0.295 in.
(7.5 mm)
0.433 in.
(11 mm)
1
Valve Guide
Tool (For
Removing
Valve Guide)
Locally Manufactured
Model L1 L2 d1 d2
4TNV98
0.276 in.
(7 mm)
2.362 in.
(60 mm)
0.512 in.
(13 mm)
0.630 in.
(16 mm)
4TNE98
0.591 in.
(15 mm)
2.559 in.
(65 mm)
0.551 in.
(14 mm)
0.787 in.
(20 mm)
2
Valve Guide
Tool (For
Installing
Valve Guide)
Locally Manufactured
L1 L2 d1 d2
0.787 in.
(20 mm)
3.937 in.
(100 mm)
1.181 in.
(30 mm)
1.299 in.
(33 mm)
4
Connecting
Rod Bushing
Replacer
(For
Removal/
Installation of
Connecting
Rod
Bushing)
Locally Manufactured
5
Valve Spring
Compressor
(For
Removal/
Installation of
Valve Spring)
Yanmar Part No.
129100-92630
Model d1 d2 d3 L1 L2 L3
4TNV98
0.598
in.
(15.2
mm)
0.827
in.
(21
mm)
0.472
in.
(12
mm)
0.465
in.
(11.8
mm)
2.559
in.
(65
mm)
0.157
in.
(4
mm)
4TNE98
0.638
in.
(16.2
mm)
0.866
in.
(22
mm)
0.531
in.
(13.5
mm)
0.669
in.
(17.0
mm)
2.560
in.
(65
mm)
0.157
in.
(4
mm)
6
Stem Seal
Installer
(for Installing
Valve Stem
Seal)
Locally Manufactured