3
CF65/75/85 series Removal and installation
ZF INTARDER
4-5
4.4 REMOVAL AND INSTALLATION, HEAT EXCHANGER
In the course of the following
operations, oil and water will
escape from the heat exchanger.
Collect the oil and water. Take
measures to prevent the heat
exchanger from falling down.
Removing the heat exchanger
1. Drain as much coolant and oil as necessary.
2. Remove the water hoses from the heat
exchanger.
3. Remove the air pipe from the solenoid
valve.
4. Remove all electrical wiring from the
intarder.
5. Remove the attachment nuts from the studs
attaching the heat exchanger to the
hydraulic control unit.
6. Remove an attachment bolt from the heat
exchanger oil connection flange attached to
the rear cover of the gearbox.
7. Remove the heat exchanger together with
the accumulator.
8. Remove the two O-rings for the oil ducts of
the heat exchanger from the control unit.
9. If necessary, remove the accumulator and
the solenoid valve.
10. If the heat exchanger displays any leaks, it
must be replaced, as it cannot be repaired.
V300448
V300195
12
ᓻ 200337
https://www.truck-manuals.net/
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