PAGE 30 — MAYCO LS450 CONCRETE PUMP • OPERATION MANUAL — REV. #2 (02/23/21)
BEFORE STARTING
1. Read the safety instructions at the
beginning of this manual.
2. Clean the entire pump, removing dirt and dust—
particularly the engine cooling air inlet and heat
exchanger.
3. Check the air filter for dirt and dust. Replace the air
filter if it is excessively dirty.
4. Check fastening nuts and bolts for tightness.
WARNING
NEVER operate the pump in a confined
area or enclosed area structure that
does not provide ample free flow of air.
ALWAYS wear approved eye and
hearing protection when operating
the pump.
NEVER operate the engine with the
engine hood removed. The possibility
exists of hands, long hair, or clothing
becoming entangled with the V-belt,
causing injury and bodily harm.
NEVER place hands or feet inside
the hopper. ALWAYS shut down the
engine before performing any kind of
maintenance service on the pump.
NOTICE
Refer to Figure 5–Figure 8 for the location of any control
or component mentioned in this section.
INSPECTION
FUEL SAFETY
FUEL CHECK
1. Check the fuel gauge (Figure 9) built into the fuel tank
cap to determine if the pump’s engine fuel is low.
Figure 9. Fuel Cap Gauge
DANGER
Handle fuel safely. Motor fuels are highly flammable
and can be dangerous if mishandled. NEVER smoke
while refueling. NEVER attempt to refuel the pump
when the engine is hot or running.
DANGER
Diesel fuel is extremely flammable
and its vapors can cause an explosion
if ignited. NEVER start the engine
near spilled fuel or combustible fluids.
NEVER fill the fuel tank while the
engine is running or hot.
DO NOT overfill the tank, as spilled fuel can ignite if it
comes into contact with hot engine parts or sparks from
the ignition system. Store fuel in approved containers,
in well-ventilated areas, away from sparks and flames.
NEVER use fuel as a cleaning agent.
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