Figure; Installation Of The Fuel Injection Pump - Yanmar 4TNV98 Service Manual

Installation Of The Fuel Injection
Pump
1. Secure the fuel injection pump mounting flange
to the rear of the gear case housing with three
nuts. Be sure to match the marks (Figure7-40,
(1)) on the rear of the gear case housing and on
the fuel injection pump mounting flange.

Figure 7-40

2. Install the injection pump drive gear (Figure7-42,
(3)) on the injection pump shaft lining up the two
marks you made on the pump drive gear with the
mark you made on the idle gear. See (Figure7-
37).
Figure 7-41
4TNV98 & 4TNE98 Diesel Engine
3. Install the drive gear retaining nut (Figure7-42,
(1)) and washer (Figure7-42, (2)). While holding
the engine with a wrench on the crankshaft
pulley bolt, torque the retaining nut to 43.5 - 51 ft
lbs (59-69 N·m, 5 - 5.4 kgf·m).
4. Thoroughly clean all old sealant from the fuel
injection pump cover (Figure7-43, (1)) and gear
case housing. Apply ThreeBond, Yanmar Part No.
977770-01212, or equivalent sealant to the fuel
injection pump cover. Install the fuel injection
pump cover on the front gear case with seven
bolts. Tighten the bolts to the specified torque.
192
Figure 7-42
Section 4. Fuel System