Yanmar 3TNV82A Service Manual page 246

FUEL SYSTEM
Note: Use the Yanmar part no. 158090-51831
M14 adapter for the MP2 fuel injection
pumps (TNV82 - 88 model engines) or
Yanmar part no. 158090-51841 for the
M16 adapter used on the MP4 fuel
injection pumps (TNV94 - 106 model
engines) and Yanmar part no. 23000-
013000 plunger adapter clamp
(Figure 7-36, (1)).
Figure 7-36
5. Install a dial indicator (Figure 7-37, (1)),
Mitutoyo No. 2050SB or equivalent, with a
30 mm extension, Yanmar part no.
158090-51870 or Mitutoyo No. 303613, into the
adapter. Secure with the Yanmar part no.
23000-013000 plunger adapter clamp
(Figure 7-36, (1)) at approximately the mid-
point of its travel.
7-28
Checking and Adjusting Fuel Injection Timing
(1)
Note: The following references to the direction-
6. Using a wrench on the crankshaft pulley bolt,
0002068A
7. Typical flywheel markings are as shown in
Note: A typical flywheel will have multiple
(1)
Figure 7-37
of-rotation are facing the coolant pump
end of the engine and are adjusted by
turning the crankshaft pulley.
rotate the crankshaft in a clockwise direction
while looking through the flywheel inspection
port (Figure 7-38, (1)). Rotate the crankshaft
until the injection timing marks on the flywheel
are visible.
Figure 7-38
(Figure 7-39, (1)).
timing grids depending on the number of
cylinders. Any grid can be used to check
the fuel injection timing.
TNV DI Service Manual
0002069
00020
(1)