Bobcat 743 - Page 31

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REPLACEMENT OF ENGINE OIL AND FILTER
Replace the engine oil and filter after every 50 hours of loader operation.
RECOMMENDED SAE VISCOSITY NUMBER
(LUBRICATION OILS FOR ENGINE CRANKCASE)
Co -34 -29 -23 -18 -13 -7 -1 +4 +10 +15 +21 +27 +32 +38
PI- 358
FO -30 -20 -10 0 + 10 +20 +30 +40 +50 +60 + 70 +80 +90 + 100
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE
(GASOLINE: USE API CLASSIFICATION SE or SF)
(DIESEL: USE API CLASSIFICATION CC or CD)
To replace engine oil and filter:
1. Operate the engine for about 15 minutes. Stop the engine.
2. Remove the oil plug (Fig. 50, Item 2). Remove all the oil from the engine.
3. Remove the oil filter (Fig. 51, Item 1).
4. Clean the filter housing surface. Put clean oil on the gasket of the new filter.
Install the filter and tighten the filter hand tight.
5. Install the oil plug. Remove the oil filler cap (Fig. 51, Item 2). Put 9 quarts (8,5l)
of oil in the engine (See the Oil Chart).
Start the engine and let it run for about 5 minutes. Check for leaks at the filter. Check
the oil and add oil until the oil level is at the FULL mark on the dipstick.
NOTE: DO NOT overfill the crankcase.
COOLANT LEVER
The cooling system has a coolant recovery tank. The location of the tank is on the
right upright in the engine compartment (Fig. 52, Item 1). Check the coolant level.
When the engine is cool, the coolant recovery tank must be 1/3 full. Add coolant to
the coolant recovery tank when the coolant level is low.
-23-
g
B-3600
Fig. 50 Oil Plug
Fig. 51 Remove Oil Filler Cup
Fig. 52 Coolant Recovery Tank
743 Loader
Operator's Manual