Adding Coolant - Northern Lights OM-C3 Operator's Manual

Adding Coolant

CAUTION: Explosive release of fluids from
pressurized cooling system can cause
serious burns.
Shut off engine. Only remove filler cap when
cool enough to touch with bare hands. Slowly
loosen cap to first stop to relieve pressure
before removing completely.
IMPORTANT: Never pour cold liquid into a hot
engine, as it may crack cylinder head or
block. DO NOT operate engine without
coolant for even a few minutes.
John Deere TY15161 Cooling System Sealer
may be added to the cooling system to stop
leaks. DO NOT use any other stop-leak
additives in the cooling system.
Air must be expelled from cooling system
when coolant is added.
1. Loosen temperature sending unit fitting at rear of
cylinder head or plug in side of thermostat housing to
allow air to escape when filling system.
IMPORTANT: When adding coolant to the system,
use the appropriate coolant solution. (See
Replacing Dry Air Cleaner Element
IMPORTANT: ALWAYS REPLACE primary air cleaner
element when air restriction indicator (A) shows
vacuum of 625 mm (25 in.) H
button has popped up (if equipped). Also
replace element if it is torn, or visibly dirty.
1. Release air filter assembly clamps (A) and remove
cover.
IMPORTANT: Insure all air intake connections
are secure to prevent ingestion of abrasive
dirt and dust into the system, causing
possible engine damage.
2. Install new air filter element (B), install cover and
engage clamps.
Service as Required
2. Fill until coolant level touches bottom of coolant tank
3. Tighten plugs and fittings when air has been expelled
O, or when reset
2
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High-Pressure Fluids
ENGINE COOLANT SPECIFICATIONS in
Fuels, Lubricants, and Coolant Section
for mixing of coolant ingredients before
adding to cooling system.)
Do not overfill cooling system. A pressurized
system needs space for heat expansion without
overflowing at top of coolant tank.
filler neck.
from system.
Replace Air Filter Element
A—Air Filter Assembly Clamps
RG,RG34710,5593 -19-04JAN02-1/1
B—Air Filter Element
RG19661,00003F5 -19-22FEB13-1/1