Operating instructions

Filling coolant with pump
1. Connect appropriate pump with hose to
drain valve.
2. Open drain valve and pump coolant into en‐
gine at 0.5 bar minimum.
3. Fill expansion tank until overflow edge is
reached.
4. Close drain valve.
5. Check proper condition of breather valve,
clean sealing faces if required.
6. Set breather valve onto filler neck and close
it.
7. Start engine (→ Page 35).
8. After the engine has run at unloaded condi‐
tion for 10 seconds, stop engine
(→ Page 37).
9. Turn breather valve of filler neck on coolant
expansion tank counterclockwise to first
stop and allow pressure to escape.
10. Continue to turn breather valve counter‐
clockwise and remove.
11. Check coolant level (→ Page 105) and top
up if required:
a) Fill in coolant in expansion tank until the
coolant level at top edge of filler neck
remains constant.
b) Set breather valve onto filler neck and
close it.
c) Repeat the steps from "Start engine"
(→ Step 7) until coolant is no longer
needed to be topped up.
d) Disconnect pump and hose.
Filling coolant through filler neck
1. Alternatively: Fill in coolant in expansion tank until the coolant level at top edge of filler neck remains
constant.
2. Check proper condition of breather valve, clean sealing faces if required.
3. Set breather valve onto filler neck and close until first stop is reached.
4. Start engine (→ Page 35).
5. After the engine has run at unloaded condition for 10 seconds, stop engine (→ Page 37).
6. Turn breather valve counterclockwise and remove.
7. Check coolant level (→ Page 105) and top up if required:
a) Repeat the steps from "Start engine" (→ Step 4) until coolant is no longer needed to be topped up.
b) Check proper condition of breather valve, clean sealing faces if required.
c) Set breather valve onto filler neck and close it.
Final steps
1. Start the engine and operate it at unloaded condition for some minutes.
2. Check coolant level (→ Page 105) and top up if required.
M015675/05E 2011-10 | Task Description | 109
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