SERIES 50 OPERATOR'S GUIDE ENGINES WITH FUEL PRO FILTERS ........................................ 95 HOW TO SELECT COOLANT ......................................................... 96 DEFINITIONS .............................................................................. 96 ANTIFREEZE .......................................................................... 96 COOLANT ............................................................................... 96 DROP-OUT ............................................................................. 96 FULLY FORMULATED ANTIFREEZE ..................................... 96 INITIAL–FILL COOLANT .........................................................
96 OAT ......................................................................................... 97 SCA ......................................................................................... 97 APPROVED COOLANTS ............................................................ 97 EG OR PG & WATER + SCA INHIBITOR ............................... 98 MIXING EG OR PG ANTIFREEZE AND WATER ................... 98 RECYCLED ANTIFREEZE .................................................... 101 EG OR PG & WATER + OAT INHIBITOR ............................... 101 WATER ONLY + SCA OR WATER ONLY + OAT INHIBITOR 102 WATER REQUIREMENTS .....................................................
102 COOLANTS NOT RECOMMENDED .......................................... 103 ALL ANTIFREEZES AND COOLANTS CONTAINING PHOSPHATE ........................................................................... 103 AUTOMOTIVE TYPE COOLANTS .......................................... 103 METHYL ALCOHOL-BASED ANTIFREEZE ........................... 104 METHOXY PROPANOL-BASED ANTIFREEZE ..................... 104 GLYCOL-BASED COOLANTS FORMULATED FOR HVAC ... 104 ADDITIVES NOT RECOMMENDED ........................................... 104 SOLUBLE OIL ADDITIVES ..................................................... 104 CHROMATE ADDITIVES ........................................................
104 COOLANT MAINTENANCE ........................................................ 104 COOLANT INHIBITOR TEST INTERVALS ............................ 104 SUPPLEMENTAL ADDITIVES ................................................ 105 COOLANT MAINTENANCE INTERVALS ............................... 106 SCA TEST PROCEDURES ......................................................... 108 NEED-RELEASE FILTERS (NON-OAT SYSTEMS) .................... 109 DROPOUT ................................................................................... 109 EXTENDER ADDITIVE FOR OAT COOLANT ............................ 110 OAT COOLANT DRAIN INTERVAL ........................................
110 CHRONIC COOLANT SYSTEM PROBLEMS ............................. 110 MAINTENANCE PRODUCTS ..................................................... 111 All information subject to change without notice. (Rev. 01/04) vii DDC-SVC-MAN-0058 Copyright © 2004 DETROIT DIESEL CORPORATION