GENERAL
WG972-E4, WSM
G-13
Checking Fuel Tank Setting Condition (Gas Line) (If
Necessary) [WG972-GL, WG972-L, WG972-N]
1. Check that LPG or CNG fuel tank is installed firmly.
2. Be sure that the fill up valve and liquid withdrawal valve of the
LPG or CNG fuel tank can be opened and closed easily.
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Checking the Connector of Fuel Pipe and Clamps (Gas Line)
[WG972-GL, WG972-L, WG972-N]
1. Check the all connectors of fuel pipe and clamps between gas
tank and gas mixer for leaks.
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[2] CHECK POINTS OF INITIAL 50 HOURS
Replacing Engine Oil
• Be sure to stop engine before replacing engine oil.
1. Start and warm up the engine for approx. 5 minutes.
2. Place an oil pan underneath the engine.
3. To drain the used oil, remove the drain plug (1) at the bottom of
the engine and drain the oil completely.
4. Screw the drain plug (1).
5. Fill new oil up to upper line on the dipstick (2).
• When using an oil of different brands or viscosity from the
previous one, remove all of the old oil.
• Never mix two different types of oil.
• Engine oil should have properties of API classification SL
or higher.
• Use the proper SAE Engine Oil according to ambient
temperature.
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Above 25 °C (77 °F) SAE30 or SAE10W-30, SAE15W-40
0 °C to 25 °C (32 °F to 77 °F) SAE20 or SAE10W-30
0 °C to -20 °C (32 °F to -4 °F) SAE10W or SAE10W-30
Engine oil capacity
3.4 L
0.90 U.S.gals
Tightening torque Drain plug
33 to 37 N·m
3.3 to 3.8 kgf·m
24 to 27 lbf·ft
(1) Drain Plug (2) Dipstick
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