GV 640 Service Manual 85
For internal use only
8.7 Heat exchanger
The heat exchanger is for taking in and draining off
water.
The illustration shows the heat exchanger compo-
nents and connections.
1 Heat exchanger
2 Heat exchanger sealing washer
8.7.1 Replacing the sealing washer
Removing
1. Remove the sealing washer by turning it
clockwise.
2. Pull it out of the heat exchanger.
Installation
1. Insert the sealing washer into the heat
exchanger.
2. Secure by turning it anti-clockwise.
Please note!
Drain off or collect the water if the
washer needs to be replaced.
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