BY Service Manual
7-1
BY Service Manual
Section 7
COOLING SYSTEM
Page
Before You Begin Servicing ............................................................ 7-3
Introduction...................................................................................... 7-5
Specifications .................................................................................. 7-5
Test and Adjustment Specifications .......................................... 7-5
Repair Specifications................................................................. 7-5
Special Torque Chart................................................................. 7-5
Special Service Tools...................................................................... 7-6
Measuring Instruments.................................................................... 7-6
Cooling Flow Diagram ..................................................................... 7-7
Tests and Adjustments.................................................................... 7-8
Pressure Testing Cooling System and Filler Cap...................... 7-8
Testing Thermostat.................................................................... 7-9
Repair............................................................................................ 7-10
Prepare Engine for Long-Term Storage .................................. 7-10
Drain Seawater Cooling System.............................................. 7-10
Check and Replace Zinc Anodes ............................................ 7-11
Draining and Filling Closed Cooling System ........................... 7-12
Disconnect and Connect Quick-Connect Fittings.................... 7-13
Remove and Install Hydraulic Oil Cooler................................. 7-13
Inspect and Clean Hydraulic Oil Cooler................................... 7-14
Remove and Install Charge Air Cooler.................................... 7-14
Disassemble and Assemble Charge Air Cooler ...................... 7-15
Remove and Install Heat Exchanger....................................... 7-16
Disassemble and Assemble Heat Exchanger ......................... 7-16
Remove and Install Coolant Pump.......................................... 7-17
Remove and Install Thermostat............................................... 7-19
Seawater Pump....................................................................... 7-20
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