Perkins Phaser Series - Page 202

19 LUBRICATION SYSTEM
Pressure to open valve (Four cylinder engines):
- Without piston cooling jets . . . . . . . . . . . . . . . . . . . . . . . 340/395 kPa (49/57 lbf/in
2
) 3,4/4,0 kgf/cm
2
- With piston cooling jets . . . . . . . . . . . . . . . . . . . . . . . . . 415/470 kPa (60/68 lbf/in
2
) 4,2/4,8 kgf/cm
2
- Six cylinder engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345/414 kPa (50/60 lbf/in
2
) 3,5/4,2 kgf/cm
2
Oil pressure relief valve (with balancer)
Diameter of bore for plunger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16,00/16,03 mm (0.630/0.631 in)
Outside diameter of plunger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15,95/15,98 mm (0.628/0.629 in)
Clearance of plunger in bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0,02/0,08 mm (0.0008/0.003 in)
Length of spring (fitted) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42,7 mm (1.7 in)
Load on spring (fitted):
- Engines without piston cooling jets . . . . . . . . . . . . . . . . . . . . . . . . . 24/30 N (5.4/6.7 lbf) 2,4/3,1 kgf
- Engines with piston cooling jets . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34/38 N (7.6/8.5 lbf) 3,5/3,9 kgf
Pressure to open valve:
- Engines without piston cooling jets . . . . . . . . . . . . . . . . . . . . . . . . . 414 kPa (60 lbf/in
2
) 4,2 kgf/cm
2
- Engines with piston cooling jets . . . . . . . . . . . . . . . . . . . . . . . . . . . . 523 kPa (76 lbf/in
2
) 5,3 kgf/cm
2
Oil filter
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Full flow, screw-on type canister
Pressure to open by-pass valve in filter . . . . . . . . . . . . . . . . . . 55/83 kPa (8/12 lbf/in
2
) 0,6/0,8 kgf/cm
2
Pressure to open by-pass valve in oil cooler . . . . . . . . . . . . . . . . . . . . 172 kPa (25 lbf/in
2
) 1,8 kgf/cm
2
19A.22 Perkins Phaser/1000 Series, April 1995