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QP402H CENTRIFUGAL PUMP • OPERATION AND PARTS MANUAL — REV. #2 (01/29/14) — PAGE 23
ENGINE AIR CLEANER
1. Remove the air cleaner cover and foam filter element
as shown in Figure 21.
2. Tap the paper filter element (See Figure 21)
several times on a hard surface to remove dirt, or
blow compressed air [not exceeding 30 psi (207 kPa,
2.1 kgf/cm
2
)] through the filter element from the air
cleaner case side. NEVER brush off dirt. Brushing
will force dirt into the fibers. Replace the paper filter
element if it is excessively dirty.
3. Clean foam element in warm, soapy water or
non-flammable solvent. Rinse and dry thoroughly. Dip
the element in clean engine oil and completely squeeze
out the excess oil from the element before installing.
Figure 21. Engine Air Cleaner
DANGER
DO NOT use gasoline as a cleaning
solvent, because that would create a risk
of fire or explosion.
BLOW COMPRESSED
AIR FROM THE
INSIDE OUT
DAILY
1. Thoroughly remove dirt and oil from the engine and
control area. Clean or replace the air cleaner elements
as necessary. Check and retighten all fasteners as
necessary. Check the spring box and bellows for oil
leaks. Repair or replace as needed.
WEEKLY
1. Remove the fuel filter cap and clean the inside of the
fuel tank.
2. Remove or clean the filter at the bottom of the tank.
3. Remove and clean the spark plug (See Figure
19), then adjust the spark gap to 0.028~0.031 inch
(0.6~0.7 mm). This unit has electronic ignition, which
requires no adjustments.
Figure 19. Spark Plug Gap
ENGINE OIL
1. Drain the engine oil when the oil is warm as shown
in Figure 20.
2. Remove the oil drain bolt and sealing washer and allow
the oil to drain into a suitable container.
3. Replace engine oil with recommended type oil as listed
in Table 5. Engine oil capacity is 1.16 quarts (1.1 liters).
DO NOT over fill.
4. Install drain bolt with sealing washer and tighten
securely.
Figure 20. Engine Oil (Draining)
MAINTENANCE (ENGINE)