TM 5-3895-382-24
The relief valve for the engine oil pressure should open at the
following pressure setting:
Engines that are not equipped with piston
cooling jets ...........................340 to 395 kPa (49 to 57 psi)
Engines that are equipped with piston cooling
jets .........................................415 to 470 kPa (60 to 68 psi)
Engines that are equipped with counter
balancer...................................................... 523 kPa (76 psi)
(1)
Spring
Length under test force ......................59.8 mm (2.35 inch)
Length under test force for engines that are equipped
with counter balancer .............................................42.7 mm
(1.681 inch)
Test force........................................................ 15.9 to 23.1 N
(3.6 to 5.2 lb)
Test force with engines that are equipped with counter
balancer ................................................................34 to 38 N
(7.6 to 8.5 lb)
(2)
Outside diameter of plunger................18.16 to 18.18 mm
(.715 to .716 inch)
Outside diameter of plunger with engines that are
equipped with counter balancer .....................15.95 to 15.98 mm
(.628 to .629 inch)
Clearance of plunger in bore .............................. 0.06 to 0.11 mm
(.002 to .004 inch)
Clearance of plunger in bore with engines that are
equipped with counter balancer.......................... 0.02 to 0.08 mm
(.0008 to .0031 inch)
(3)
Diameter of the bore in the valve
housing ...................................................18.24 to 18.27 mm
(.718 to .719 inch)
Diameter of the bore in the valve housing with engines that are
equipped with counterbalancer.......................16.00 to 16.03 mm
(.630 to .631 inch)
(4)
Tighten the bolt to the following
torque: ............................................44 5 Nm (32 4 b-ft)
Engine Oil Pump
SMCS Code: 1304
Illustration 33
Oil pump cover
(1)
Tighten the cover bolts to the following
torque: ........................................................28 Nm (21 lb-ft)
When the pump is mounted to a balancer unit, tighten the
single bolt on the oil pump cover (not shown) to the following
torque: ....................................................................22 Nm (16 lb-ft)
Type ....................................................Gear driven differential rotor
Number of lobes
Inner rotor.............................................................................. 6
Outer rotor ............................................................................. 7
Illustration 34
Clearance for the outer rotor body (Typical Example)
Clearance of the outer rotor to the body
The balancer unit is not installed ........... 0.15 to 0.34 mm
(.006 to .013 inch)
The balancer unit is installed .................. 0.31 to 0.45 mm
(.012 to .018 inch)
5-24
