SUNWARD SWE20F 2019, Руководство по эксплуатации и техническому обслуживанию

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74
Replacement of coolant every 1000 hours
1) Open the engine back cover.
2) Loosen the radiator box cover, release the press in radiator.
3) Loosen the water venting plug
①
to vent the coolant into some kind of container.
4) Screw down the water venting screw plug and add some cleanser and water, fill the radiator
water tank with water. This job may take some time. Please use the cleanser under the
instruction on this manual.
5) Start engine, run idle for about 30 mins. Pay
attention to the cleanser level and add water if the
level goes down.
6) Shut off engine and vent all the cleanser.
7) Screw down the water venting plug
①
, add water,
start engine and run idle for 10 mins, then shut off
the engine and vent all the water.
8) Repeat the hereinbefore cleaning work until the
water is clean.
9) Screw down the water venting plug
①
and add new
coolant till the appointed height after clean job.
10) Start engine and run it idly, exhaust air, shut off

Shut off engine and cool down the machine before operation.

The body 、 muffler 、 radiator and other parts of the machine will be very hot when
the engine is just stopped, touching these parts may cause serious scald.

The cooling water of engine is also very hot, be careful when loosen radiator box
cover and venting plug to avoid serious scald by the injection of high temperature
and high pressure cooling water.
 If it is needed to maintain the machine while engine is running, the cooperated
work of 2 men is necessary, one should sit on the operator’s seat while another
one do maintenance work.

Keep your body and clothes away from the transmission parts.
 When the engine is running, it is very dangerous to stand behind the machine, as
the machine is likely to move suddenly.
 Do not move the radiator box cover or the water venting plug before the engine
coolant has cooled down. Shut off engine, slowly loosen the radiator box cover
and water venting plug after the engine and radiator cover have cooled down.
①
FIG. 4-19