Fuel system – Cub Cadet Yanmar 3TNV72 User Manual
Page 179

FUEL SYSTEM
7-18
TNV IDI Service Manual
Fuel Injection Pump
Figure 7-19
7. Tighten the fuel injection pump retaining nuts to
specification. See Special Torque Chart on
page 7-7.
8. Reconnect the fuel supply and return lines to
the fuel injection pump.
9. Reconnect the throttle linkage and stop
solenoid connector.
10. If installing a new or recalibrated fuel injection
pump, check the fuel injection timing before
completing the installation of the fuel injection
pump. See Checking and Adjusting Fuel
Injection Timing on page 7-19.
Note: While it is not required to check the
injection timing when reinstalling the
original fuel injection pump, it is
recommended that it be done.
11. Reinstall the lube oil line (Figure 7-20, (1)).
Figure 7-20
12. Apply ThreeBond Liquid Gasket No. 1212,
Yanmar Part No. 977770-01212, or equivalent
sealant to the sealing surface of the fuel
injection pump drive gear access cover.
Reinstall the cover on the front of the gear case
and tighten the bolts.
13. Reinstall the fuel injection high-pressure lines.
See Installation of High-Pressure Fuel Injection
Lines on page 7-12.
IMPORTANT
When installing a new or repaired fuel
injection pump, add 5 - 7 oz (150 - 200 cc)
of new, clean engine oil to the fuel injection
pump at the fill plug located in the upper
outside section of the governor housing.
14. Reinstall the coolant pump V-pulley
(Figure 7-21, (4)), spacer (Figure 7-21, (3)) (if
equipped) and engine cooling fan
(Figure 7-21, (2)).
0002416
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(1)
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TNV_IDI_ServiceManual_(3TNV72 for YN only).book 18 ページ 2007年11月29日 木曜日 午後2時58分