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MAYCO C-30HDNI (PRECISION) PUMP — OPERATION AND PARTS MANUAL — REV. #7 (04/03/12) — PAGE 25
C-30HDNI (PRECISION) PUMP — ENGINE COMPONENTS
Figure 9. Nissan Model A15 Basic Engine Components
Operating the engine without an air
filter, with a damaged air filter, or a
filter in need of replacement will allow
dirt to enter the engine, causing rapid
engine wear.
8. Crankcase Drain Plug – Remove this plug to drain engine
oil from the crankcase. Replace with recommended engine
oil as specified in the maintenance section of this manual.
9. Fuel Pump/Fuel Filter – Replace or clean the fuel pump
or fuel filter as specified in the maintenance section of this
manual.
10. Distributor – NEVER
allow concrete or any foreign debris
to come in contact with the distributor.
11. Spark Plug – Provides spark to the ignition system. Set
spark plug gap to 0.6 - 0.7 mm (0.028 - 0.031 inch). Clean
spark plug once a week.
12. Dipstick – Remove this dipstick to determine if engine oil
is low. Maintain oil level at the "H" marking on the dipstick.
NEVER run engine with low oil.
13. Oil Filler Port Cap – Remove this cap to add engine oil to
the crankcase. Fill with recommended type oil as specified
in the maintenance section of this manual
14. Fuel Injection System – ALWAYS keep dirt, dust, and any
foreign debris from entering the fuel injection system. Clean
the fuel injection system as recommended in the
maintenance section of this manual.
TOP VIEWFRONT VIEW
Figure 9 illustrates the location of the basic components for the
NISSAN A-15 Engine.The function of each component is
described below:
1. Oil Filter – Replace this filter as recommended in the
maintenance section of this manual
2. Oil Pressure Switch – In the event of low oil level, this
switch will shutdown the engine.
3. Starter Motor/Solenoid – NEVER
allow concrete or any
foreign debris to come in contact with the starter motor/
solenoid.
4. Fan V-Belt – ALWAYS make sure that V-belt is properly
tensioned. A loose or defective V-belt can adversely affect
the performance of the pump.
5. Alternator – Provides power to the electrical system.
Replace with only manufactures recommended type
alternator.
6. Air Cleaner – Prevents dirt and other debris from entering
the fuel system. Remove wing-nut on top of air filter
cannister to gain access to filter element. Replace with only
manufactures recommended type air cleaner.
7. Cooling Fan Blades – Make sure that the blades of the
cooling fan are not
bent or broken
. A damaged fan blade
can cause the engine to run hot and overheat.
NOTE