EM120 HYD. PLASTER/MORTAR MIXER• OPERATION AND PARTS MANUAL — REV. #1 (09/09/19) — PAGE 27
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.
Wiring
Inspect the entire mixer for bad or worn electrical wiring
or connections. If any wiring or connections are exposed
(insulation missing) replace wiring immediately.
Piping and Hose Connection
Inspect all piping, oil hose, hydraulic hose and fuel hose
connections for wear and tightness. Tighten all hose clamps
and check for leaks. If any hose lines are defective replace
them immediately.
Fuel Strainer
1. Thoroughly clean the area around the fuel cap.
2. Remove the fuel cap from the fuel tank.
3. Next, remove, inspect and clean the fuel strainer
(Figure 23) with solvent.
Figure 23. Fuel Strainer
MAINTENANCE (ENGINE)
Spark Plug
1. 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.
Figure 24. Spark Plug Gap
ENGINE OIL
2. Drain the engine oil when the oil is warm as shown in
3. Remove the oil drain bolt and sealing washer and allow
the oil to drain into a suitable container.
4. Replace engine oil with recommended type oil as
listed in Table 5. For engine oil capacity, see Table 2
(Engine Specifications).
DO NOT
overfill.
5. Install drain bolt with sealing washer and tighten
securely.
Figure 25. Draining Engine Oil
0.024-0.028 IN.
(0.6-0.7 MM.)
GAP
OIL FILLER CAP
DIPSTICK
DRAIN
BOLT
SEALING
WASHER
