Servicing and cleaning
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Inspection procedures
Change air filter
The air filter of the portable fire pump engine should be replaced every 5
years. When using in regions with specially heavy dust loads the change,
may take place earlier, depending on the contamination.
► Position the portable fire pump on an even surface.
► Open the engine cover (MH1).
► Remove the 9 pcs. fastening screws on the air filter cover (LD1).
► Remove air filter cover (LD1)
► Remove air filter
► Installation of the air filter takes place in reverse order, the screws on
the air filter cover are to be fitted hand-tight.
Air filter has been changed.
Spark plugs
The spark plugs of the portable fire pump engine should be replaced every
150 operating hours or 3 years. The spark plug picture can give details of
the ignition settings, as well as status and operating conditions of the en-
gine.
Specification:
3 pcs. NGK MR7BI-8
Iridium spark plugs
Electrode gap 0.7 - 0.8 mm (not adjustable)
Spark plug change:
► Position the portable fire pump on an even surface.
► Open the engine cover (MH1).
► Dismantle the fastening screws on the ignition coil (M19).
► Use of TORX TX30 angle screwdriver.
► Remove ignition coil.
► Remove the spark plugs.
► Use of spark plugs applicator 5/8 square 16 mm.
► The installation of the spark plugs is done in reverse order.
Tightening torque of the spark plus 13 Nm (+/- 1 Nm).
Spark plugs have been changed.