ar2000s1010b

Checking cooling system for leaks

Type ar · topic 20.00 · version 0105 · 2006-07-26

Applies to: ENGINE 601 in MODEL 638

Where it sits

Function group 1 Engine › 20 Engine cooling system › 20.00 General — Series 601 · Series 638

EinPAS 15 Engine › 15.25 Engine cooling system › 15.25.5 Coolant circuit, complete — Series 601 · Series 638

AR20.00-S-1010B

Checking cooling system for leaks

24.7.95

ENGINE 601 in MODEL 638

Checking cooling system for leaks

S20.00-2000-05

1 Expansion reservoir

2 Cooling system cap

3 Tester

Checking

1

Warm engine up to operating temperature

Coolant temperature approx. 80 °C

2

Set heating to maximum capacity

Danger!

Risk of injury to skin and eyes from scalding from hot coolant which splashes out. Risk of poisoning from swallowing coolant.

Do not open the cooling system unless the coolant temperature is below 90 °C. Open cap slowly and allow the pressure to release. Do not pour coolant into containers for drinks.

Wear protective gloves, protective clothes, and eye protection.

AS20.00-Z-0001-01A

3

Take off cooling system cap (2)

Replace cooling system cap (2) if corrosion present

4

Inspect coolant level, adjust if necessary

AP20.00-D-2010A

5

Attach tester (3) to expansion reservoir (1)

*124589152100

6

Pressurize cooling system

Pressure approx. 1.4 bar

7

Inspect all pipes and hoses of the cooling and heating system, radiator, coolant pump, coolant pump housing, cap of coolant thermostat, oil-water heat exchanger and cylinder head gasket for loss of coolant. Inspect condition and installation of hose clips, tighten if necessary

*WH58.30-Z-1002-06A

*WH58.30-Z-1001-06A

8

Disconnect tester (3)

9

Install in the reverse order

Checking cooling system for leaks

124 589 15 21 00

Tester

Commercially available tools

Number

Designation

WH58.30-Z-1001-06A

6 mm socket hexagon on flexible shaft for hose clamps with worm drive

WH58.30-Z-1002-06A

7 mm socket hexagon on flexible shaft for hose clamps with worm drive

Referenced documents