12-16
LUBRICATION AND MAINTENANCE WORK – ADDITIONAL WORK
Cleaning and adjusting the carburetor
– See Chapter 8
Changing the cooling liquid
NOTE: change the cooling liquid after you have finished the general
lubrication and maintenance work.
!
CAUTION
!
T
O AVOID BURNING YOURSELF
,
ALWAYS DRAIN THE COOLING LIQUID WHEN THE
ENGINE IS COLD
.
– Open the radiator cap
1
.
– Remove the drain plug
2
on the engine and allow the cooling liquid
to drain into a receptacle. Mount the oil drain plug with a new seal
ring and tighten to 10 Nm.
– Remove the compensating tank
3
, open and drain the coolant into a
receptacle.
– Mount the compensating tank again.
– Remove the drain plug
4
on the radiator and allow the cooling liquid
to drain into a receptacle. Mount the drain plug again and tighten.
– Fill approx. 2.1. liters of a mixture of 40% antifreeze (e.g. Motorex
Antifreeze) and 60% water (minimum protection -25ºC), into the
radiator and compensating tank.
– Unscrew the bleeder screws on the water pump
5
and the radiators
6
until cooling liquid runs out without bubbles, tighten the screws
again, close the radiator cap.
!
CAUTION
!
O
NLY USE HIGH
-
GRADE ANTIFREEZE
(
E
.
G
. M
OTOREX
A
NTIFREEZE
)
TO AVOID THE
RISK OF CORROSION AND FOAMING
.
– Start the engine and allow to run warm until the radiator fan switches
on.
– Allow the cooling system to cool down and add more coolant if
necessary.
1
3
2
5
6
4
