Cub Cadet Yanmar 3TNV72 - Manual (Page 168)

FUEL SYSTEM
TNV IDI Service Manual 7-7
Fuel System Specifications
FUEL SYSTEM SPECIFICATIONS
Special Torque Chart
Test and Adjustment Specifications
Note: Fuel injector pressures given are for used parts. New injectors (5 hours operation or less) will read
approximately 72.5 psi (0.5 MPa; 5 kgf/cm 2 ) higher.
Component Tightening Torque
Lubricating Oil Application
(Thread Portion and Seat Surface)
Fuel Injector
36.1 - 43.5 ft·lb
(49 - 59 N·m,
5.0 - 60 kgf·m)
Not Applied
Fuel Pump Drive Gear Nut
44 - 51 ft·lb
(59 - 69 N·m;
6 - 7 kgf·m)
Not Applied
High -Pressure Fuel Injection Line Nuts
22 - 25 ft·lb
(29 - 34 N·m;
3.0 - 3.5 kgf·m)
Not Applied
Fuel Return Line Nuts
18 - 24 ft·lb
(24 - 33 N·m;
2.5 - 3.3 kgf·m)
Not Applied
Fuel Injection Pump Mounting Nuts
17 - 21 ft·lb
(23 - 28 N·m;
2.3 - 2.9 kgf·m)
Not Applied
Fuel Injector Nozzle Case Nut
21.4 - 36.1 ft·lb
(29 - 49 N·m;
3.0 - 5.0 kgf·m)
Not Applied
Fuel Injector Pressure Fuel Injection Timing
1784 - 1929 psi
(12.3 - 13.3 MPa;
125 - 136 kgf/cm 2 )
See Checking and Adjusting Fuel Injection Timing on
page 7-19
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