Service and cleaning
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Service work
Coolants may not be mixed together.
► Observe engine temperature.
► Engine temperature may not increase above 95° C.
► If the engine temperature rises above 95° C, shut down portable pump
and leave it to cool for 10-15 minutes.
Coolant has been added.
► Repeat the above procedures for adding coolant.
► Repeat process until 2.5 - 2.7 l (0.66 - 0.71 gal) of coolant is in the
cooling circuit.
► If after the third repetition the required quantity is still not in the
cooling circuit, contact Rosenbauer customer service or the near-
est Rosenbauer service centre immediately.
The coolant quantity is 2.5 - 2.7 l (0.66 - 0.71 gal).
► When the portable pump is primed, increase the speed to approx.
3000-3500 min
-1
.
► Add coolant quantity to approx. 3.3 - 3.5 l (0.87 - 0.92 gal).
► Observe engine temperature.
The coolant has been changed.
Replace spark plugs
The spark plugs on the propulsion engine should be changed every 150
hours of operation or every 3 years, whichever comes first.
The spark plug picture can give details of the ignition settings, as well as
status and operating conditions of the propulsion engine.
Spark plugs specification:
Refer to chapter "Propulsion engine".
► Position the portable pump on a flat, even surface.
► Open the engine cover.
Refer to chapter "Open the engine cover".
► Dismantle the fastening screws on the ignition coil.
► Use of a TORX Allen wrench TX30.
► Carefully pull out ignition coils.
Store ignition coils in a clean and dust-free location.
► Remove the spark plugs.
► Use of spark plugs applicator 5/8 square 16 mm.
► Dispose of old spark plugs.
Observe the local disposal regulations.
► Mount spark plugs.
► Use of spark plugs applicator 5/8 square 16 mm.
Tightening torque of the spark plugs 13 Nm (+/- 1 Nm).
► Carefully slide in ignition coils.
► Mount the fastening screws on the ignition coil.
► Use of a TORX Allen wrench TX30.
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