PRO12 HYDRAULIC MIXER • OPERATION AND PARTS MANUAL — REV. #3 (09/25/14) — PAGE 29
Perform the engine maintenance indicated below:
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.
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 (Figure 29), 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.
ENGINE OIL
1. Drain the engine oil when the oil is
warm
as shown
in Figure 30.
Figure 30. Engine Oil (Draining)
2. Remove the oil drain bolt and sealing washer and allow
the oil to drain into a suitable container.
3. Install drain bolt with sealing washer and tighten
securely.
Figure 29. Spark Plug Gap
MAINTENANCE
4. Replace engine oil with recommended type oil as listed
in Table 6. Engine oil capacity is 1.16 quarts (1.1 liters).
DO NOT
over fill.
ENGINE AIR CLEANER
1. Remove the air cleaner cover and foam filter element
as shown in Figure 31.
2. Tap the paper filter element (Figure 31) 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 31. Engine Air Cleaner
DANGER
DO NOT
use gasoline as a cleaning
solvent, because that would create a risk
of fire or explosion.
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