Service Manual

ISB, ISBe and QSB (Common Rail [...] Heat Exchanger
Section 8 - Cooling System - Group 08 Page 8-81
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Heat Exchanger (008-053)
Preparatory Steps
WARNING
Batteries can emit explosive gases. To reduce the
possibility of personal injury, always ventilate the
compartment before servicing the batteries. To
reduce the possibility of arcing, remove the negative
(-) battery cable first and attach the negative (-)
battery cable last.
WARNING
Coolant is toxic. Keep away from children and pets. If
not reused, dispose of in accordance with local
environmental regulations.
WARNING
Do not remove the pressure cap from a hot engine.
Wait until the coolant temperature is below 50°C
[120°F] before removing the pressure cap. Heated
coolant spray or steam can cause personal injury.
CAUTION
Use caution when draining the coolant. Do not spill
coolant into the bilge area. Coolant must not be
pumped overboard. The coolant must be disposed of
in accordance with local environmental regulations.
• Disconnect the battery power supply from the engine.
Refer to Procedure 013-009 in Section 13.
• Drain the engine coolant. Refer to Procedure 008-018
in Section 8.
• Disconnect the coolant make-up hose from the
expansion tank to the coolant transfer tube. Refer to
Procedure 008-052 in Section 8.
Remove
Loosen the hose clamp(s) on the engine coolant heat
exchanger inlet hose (1). Disconnect the hose from the
heat exchanger.
Loosen the hose clamp(s) on the engine coolant heat
exchanger outlet hose (2). Disconnect the hose from the
heat exchanger.
Loosen the hose clamp(s) to the sea water coolant heat
exchanger inlet hose (3). Disconnect the hose from the
heat exchanger.
Loosen the hose clamp(s) on the sea water coolant heat
exchanger outlet hose (4). Disconnect the hose from the
heat exchanger.