Fuel System Specifications - Yanmar 4TNV98 Service Manual

Fuel System Specifications

Special Torque Chart
Component
Fuel Injector Retainer Bolt
Fuel Pump Drive
Gear Nut
High-Pressure Fuel Injection Line Nuts
Fuel Return Line Bolts
Fuel Injection Pump Mounting Nuts
Fuel Injector Nozzle Case Nut
Fuel Injection Pump
Plunger Plug
4TNV98 & 4TNE98 Diesel Engine
Tightening Torque
(39.2 N·m; 4 kgf·m)
4TNV98
11.5-12.5 kgf·m)
4TNV98
29 ft·lb
83-91 ft·lb
(113-123 N·m;
22-25 ft·lb
(29-34 N·m;
3.0-3.5 kgf·m)
69-87 in·lb
(7.8-9.8 N·m;
0.8-1.0 kgf·m)
17-21 ft·lb
(23-28 N·m;
2.3-2.9 kgf·m)
30-33 ft·lb
(39.2-44.1 N·m;
4-4.5 kgf·m)
30-33 ft·lb
(40-45 N·m;
4.1-4.6 kgf·m)
143
Lubricating Oil Application
(Thread Portion and Seat Surface)
Not Applied
Not Applied
Not Applied
Not Applied
Not Applied
Not Applied
Not Applied
Section 4. Fuel System