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WC-62P/S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #7 (06/30/05) — PAGE 25
Maintenance
Perform the scheduled maintenance procedures as defined by
Table 6 and below:
DAILY
■
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
gearbox for oil leaks. Repair or replace as needed.
WEEKLY
■
Remove the fuel filter cap and clean the inside of the fuel
tank.
■
Remove or clean the filter at the bottom of the tank.
■
Remove and clean the spark plug (Figure 24), then adjust
the spark gap to 0.024 ~0.028 inch (0.6~0.7 mm). This unit
has electronic ignition, which requires no adjustments.
DO NOT use gasoline as a cleaning solvent,
because that would create a risk of fire or
explosion.
DANGER :
ENGINE OIL
1. Drain the engine oil when the oil is
warm
as shown in
Figure 25.
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 7. For engine oil capacity, see Table 2 (engine
specifications). DO NOT overfill.
4. Install drain bolt with sealing washer and tighten se-
curely.
Figure 25. Engine Oil (Draining)
Figure 24. Spark Plug Gap
WC-62P/S CONCRETE MIXER — MAINTENANCE (ENGINE)
ENGINE AIR CLEANER
1. Remove the air cleaner cover and foam filter element as
shown in Figure 26.
2. Tap the paper filter element (Figure 34) 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 nonflammable
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 26. Engine Air Cleaner