ap2000g2080b

Replace coolant

Type ap · topic 20.00 · version 0300 · 2015-03-21

Applies to: ENGINE 900.915/916, 902.923/924/935, 904.927/928, 906.935/955

Where it sits

Function group 1 Engine › 20 Engine cooling system › 20.00 General — Series 900 (models 915, 916) · Series 902 (models 923, 924, 935) · Series 904 (models 927, 928) · Series 906 (models 935, 955)

EinPAS 15 Engine › 15.25 Engine cooling system › 15.25.5 Coolant circuit, complete — Series 900 (models 915, 916) · Series 902 (models 923, 924, 935) · Series 904 (models 927, 928) · Series 906 (models 935, 955)

AP20.00-G-2080B

Replace coolant

18.3.15

ENGINE

900.915/916, 902.923/924/935, 904.927/928, 906.935/955

Modification notes

23.2.15

Coolant

BF20.00-N-1001-01I

24.2.15

"Bleed engine cooling system" added

Operation step 12

Replace coolant
Replace coolant

G20.00-3114-01

model 405.05

1

Cap

2

Coolant expansion reservoir

MODEL 405.10/12/20/22

1

Cap

2

Coolant expansion reservoir

G20.30-3127-01

Replace coolant
Replace coolant

G20.20-3175-01

Right engine radiator

3

Drain screw

Left additional engine radiator (only with ENGINE 902.923/924/935, 906.935/955)

4

Drain screw

G20.20-3269-01

Danger !

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

Danger !

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Notes on coolant

AH20.00-N-2080-01A

1

Set heater control to warm and fan to maximum blower stage

See owner's manual.

2

Detach side radiator grille from left additional engine radiator

ENGINE 902.923/924/935, 906.935/955

3

Detach radiator grille from left additional engine radiator

ENGINE 902.923/924/935, 906.935/955
with CODE C47 (Protection grid behind both radiators)

The radiator grill must be removed as otherwise the drain screw (3) is not accessible.

Installation: Install new self-locking nuts.

4

Turn cap (1) of coolant expansion reservoir (2) slowly in order to reduce overpressure in cooling system

5

Unscrew drain screw (3) on right engine radiator and collect coolant in a container

The old coolant must be drained completely.
Legal provisions and local wastewater regulations must be observed for disposal.

6

Open drain plug (4) on left additional engine radiator and collect coolant in a container

ENGINE 902.923/924/935, 906.935/955

The old coolant must be drained completely.
Legal provisions and local wastewater regulations must be observed for disposal.

7

Tighten drain screw (3) on right engine radiator

Drain screw to engine radiator

*BA20.20-N-1001-01K

8

Tighten drain screw (4) on left additional engine radiator

ENGINE 902.923/924/935, 906.935/955

Drain screw to engine radiator

*BA20.20-N-1001-01K

9

Pour in coolant

ENGINE 900.915/916 in MODEL 405.050
Add coolant up to the MAX. mark on the coolant expansion reservoir (2). Use only coolant of the specified composition.

ENGINE 900.915/916, 902.923/924/935, 904.927/928, 906.935/955 in MODEL 405.10/12/20/22
Add coolant up to the lower edge of filler opening of coolant expansion reservoir (2). Use only coolant of the specified composition.

Coolant

*BF20.00-N-1001-01I

10

Start engine and run for about 1 minute at varying speeds

Top up any shortage in coolant with the engine running.

11

Tighten cap (1)

12

Purge engine cooling system

AR20.00-G-1040B

Radiator, coolant hoses

Number

Designation

ENGINE 900.915/916, 904.927/928

Engine 902.923/924/ 935, 906.935/955

BA20.20-N-1001-01K

Drain screw to engine radiator

Nm

25

25

Engine cooling

Number

Designation

ENGINE 900.915/916 in MODEL 405.050

ENGINE 900.915/916 in MODEL 405.101/121

BF20.00-N-1001-01I

Coolant

Total filling capacity

l

24

26

Anticorrosion and antifreeze agent down to –37 °C

l

12

13

Anticorrosion and antifreeze agent down to –45 °C

l

13,2

14,3

Sheet

BB00.40-P-0310-01A

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-05A

BB00.40-P-0325-05A

Engine cooling

Number

Designation

ENGINE 900.916 in MODEL 405.103/123

ENGINE 902.923/924

BF20.00-N-1001-01I

Coolant

Total filling capacity

l

26

36

Anticorrosion and antifreeze agent down to –37 °C

l

13

18

Anticorrosion and antifreeze agent down to –45 °C

l

14,3

19,8

Sheet

BB00.40-P-0310-01A

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-05A

BB00.40-P-0325-05A

Engine cooling

Number

Designation

ENGINE 902.935, 906.935/955

ENGINE 904.927/928

BF20.00-N-1001-01I

Coolant

Total filling capacity

l

36

26

Anticorrosion and antifreeze agent down to –37 °C

l

18

13

Anticorrosion and antifreeze agent down to –45 °C

l

19,8

14,3

Sheet

BB00.40-P-0310-01A

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-05A

BB00.40-P-0325-05A

Referenced documents