LUBRICATION
8-4
6LPA Service Manual
Specifications
© 2007 Yanmar Marine International
SPECIFICATIONS
Note: All pressure specifications are with engine at normal operating temperature.
Test and Adjustment Specifications
Special Torque Chart
Inspection Item
Specification
Oil Pressure
0.3 kgf/cm
2
, 0.03 MPa (4.26 psi) or more at
800 rpm
4.5 kgf/cm
2
, 0.44 MPa (64 psi) at 3800 rpm
Oil Pump Rotor Tooth Tip
Clearance
Standard
0.80 to 160 mm (0.031 to 6.29 in.)
Maximum
0.21 mm (0.008 in.)
Oil Pump Body Clearance
(Standard)
Standard
0.100 to 0.170 mm (0.003 to 0.006 in.)
Maximum
0.20 mm (0.007 in.)
Oil Pump Side Clearance
(Standard)
Standard
0.030 to 0.090 mm (0.011 to 0.035 in.)
Maximum
0.15 mm (0.005 in.)
Component
Specification
Drain Plug x Oil Pan
350 kgf·m, 34.32 N·m (303.7 lb-in.)
Relief Valve x Timing Gear Case
425 kgf·m, 41.68 N·m (368.8 lb-in.)
Oil Filter x Main Bearing Cap
90 kgf·m, 8.83 N·m (78.1 lb-in.)
Timing Gear Case x Cylinder Block and Main Bearing Cap
200 kgf·m, 19.61 N·m (173.5 lb-in.)
Injection Pump x Timing Gear Case
185 kgf·m, 18.14 N·m (160.5 lb-in.)
Oil Pan x Main Bearing Cap, Timing Gear Case and Rear Oil Seal Retainer
100 kgf·m, 9.81 N·m (86.8 lb-in.)
Oil Cooler Cover x Oil Cooler
160 kgf·m, 16.28 N·m (144.0 lb-in.)
Oil Cooler Cover and Oil Dipstick Guide x Cylinder Block
200 kgf·m, 19.26 N·m (170.4 lb-in.)
Relief Valve x Oil Cooler Cover
400 kgf·m, 39.23 N·m (347.2 lb-in.)
Check Valve x Oil Cooler Cover
275 kgf·m, 26.97 N·m (238.7 lb-in.)
Oil Nozzle x Cylinder Block
275 kgf·m, 26.97 N·m (238.7 lb-in.)