Buhler 2425 User Manual
Page 286
SECTION 3 - LUBRICATION AND MAINTENANCE
3-62
EVERY 2000 HOURS OR 2 YEARS
OPERATION 60
Change the Engine Coolant
WARNING:
BEFORE
DRAINING
THE
COOLING SYSTEM, WAIT UNTIL THE
ENGINE TEMPERATURE IS BELOW 50°C
(120°F)
BEFORE
REMOVING
THE
RADIATOR PRESSURE CAP. FAILURE TO
DO SO CAN CAUSE PERSONAL INJURY
FROM HEATED COOLANT SPRAY.
The cooling system must be clean to work
correctly. Drain the system, and flush with clean
water. If the system shows mineral buildup,
scale, rust, or oil, clean with a heavy-duty engine
coolant cleaner and follow the manufacturer’s
directions.
To drain the cooling system, first turn the
temperature control knob in the cab to the
maximum heat position. Make sure the heater
shutoff valve on the engine is wide open.
Remove the radiator cap from the top of the
radiator.
WARNING:
THE
COOLANT
SYSTEM
OPERATES UNDER PRESSURE WHICH IS
CONTROLLED
BY
THE
RADIATOR
PRESSURE CAP. IT IS DANGEROUS TO
REMOVE THE PRESSURE CAP WHILE THE
SYSTEM IS HOT. WHEN THE SYSTEM HAS
COOLED, USE A THICK CLOTH AND TURN
THE CAP SLOWLY TO THE FIRST STOP AND
ALLOW THE PRESSURE TO ESCAPE
BEFORE FULLY REMOVING THE CAP.
COOLANT SHOULD BE KEPT OFF THE
SKIN. ADHERE TO THE PRECAUTIONS
OUTLINED ON THE ANTIFREEZE AND
INHIBITOR CONTAINERS, WHERE USED.