Usage:
Combustion chamber compression pressure at 200 rpm engine warm (minimum) ... 350 psi(2413 kPa) (24 bar)
Combustion chamber compression pressure difference (maximum) ... 50 psi(345 kPa) (3 bar)
Engine Lubrication System
Oil pressure at fast idle with engine temperature at 180° to 220°F (82.2° to 104.4°C) ... 50 ± 15 psi(345 ± 103 kPa) (3 ± 1 bar)
Oil pressure at slow idle with engine temperature at 180° to 220°F (82.2° to 104.4°C) ... 15 psi (100 kPa)(1 bar)
Engine Cooling System
Radiator leakage test pressure (maximum) ... 9 psi(62 kPa) (0.6 bar)
Radiator pressure cap valve opening pressure ... 6.25 to 7.50 psi(43 to 52 kPa) (0.4 to 0.5 bar)
Fan belt deflection (no gauge) ... 0.75 in. at 25 lb.(19 mm at 111 N)
Fan belt deflection (with gauge) (new belt) ... 100 to 110 lb.(445 to 490 N)
Fan belt deflection (with gauge) (old belt) ... 80 to 110 lb.(356 to 490 N)
Fuel System
Injection pump cam advance:
SLOW IDLE
All pumps ... 0 to 1°
FAST IDLE
JDB331MD2406 (AR49904) ... 8° minimum
JDB435AL2442 (AR51747) ... 6-1/2°
JDB635AL2446 (AR51568) ... 5-1/2° minimum
JDB331CM2667 (AR66282) ... 5-1/2°
DM4627MD2684 (AR66395) ... 6°
JDB431CM2701 (AR66995) ... 5°
JDB635CM2757 (AR66996) ... 4-1/2° minimum
JDB435MD2793 (AR70530) ... 8°
JDB435MD2802 (AR51747) ... 7°
JDB435CM2819 (AR70531) ... 5°
DM4627AL2824 (AR70778) ... 6°
DM4627HB2825 (AR70551) ... 3°
DM4627HB2826 (AR70780) ... 3°
DM4427MD2876 (AR71421) ... 7-1/2°
DM4427HB2915 (AR70538) ... 3°
DM4427NH2957 (AR76503) ... 3°
JDB435CM2974 (AR77422) ... 9°
JDB333CM3009 (AR79211) ... 10°
JDB435CM3010 (AR79212) ... 9 ± 1/2°
JDB635CM3011 (AR79213) ... 9°
JDB435MD3021 (AR78647) ... 8°
DM4427MD3051 (AR80325) ... 5-1/2° minimum
DM4627MD3052 (AR80352) ... 6 ± 1/2°
JDB435MD3053 (AR80230) ... 8° minimum
JDB635MD3142 (AR80603) ... 6°
DM4627HB3220 (AR80353) ... 3 ± 1/2°
JDB435CM3223 (AR80233) ... 5 ± 1/2°
DM4427HB3224 (AR80326) ... 3°
JDB635CM3243 (AR80604) ... 5°
DM4427NW3262 (AR87186) ... 6 ± 1/4°
DM4627AL3335 (AR70778) ... 7 ± 1/2°
DM4627NH3642 (AR89482) ... 5 ± 1/2°
DM4427HB3986 (AR99951) ... 3 ± 1/2°
DM4627HB3987 (AR99952) ... 3 ± 1/2°
DM4627MD4012 (AR104000) ... 7°
DM4627ABE4083 (AR100427) ... 7 ± 1/2°
DM4627ABE4118 (AR100427) ... 7 ± 1/2°
Fast Idle:
Slow idle ... 800 +25 -0 rpm
Turbocharger Boost Pressure
Fig. 17-Turbocharger Boost Pressures
