GENERAL
WG972-E4, WSM
G-27
Replacing Breather Hose [WG972-GL, WG972-L, WG972-N]
1. Replace the breather hoses (1) and the clamps between the
head cover and the gas mixer, and between the head cover and
intake manifold.
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Replacing Breather Hose [WG972-G]
1. Replace the breather hose and the clamps between head cover
and throttle body, and between head cover and intake manifold.
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Replacing Fuel Hose and Clamps (Gas Line) [WG972-GL,
WG972-L, WG972-N]
1. Replace the fuel hose and the clamps between gas tank and
gas mixer.
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Replacing Hot Water Line of Gas Regulator (Gas Line)
[WG972-GL, WG972-L, WG972-N]
1. Remove the hot water hoses (1) and replace with the new ones.
2. Connect the new hot water hoses (1) to the gas regulator (2).
3. The coolant filled to radiator, and bleed the air from the gas
regulator (2).
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Replacing Balance Hose of Gas Regulator (Gas Line)
[WG972-GL, WG972-L, WG972-N]
1. Remove the used balance hose and replace it with the new one.
2. Connect the new balance hose to the gas regulator.
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Replacing Radiator Hoses and Clamp Bands
• Do not remove the radiator cap when the engine is hot.
Then loosen cap slightly to the stop to relieve any excess
pressure before removing cap completely.
1. Drain the coolant.
2. Loosen the clamp bands.
3. Remove the upper hose (1) and lower hose (2).
4. Replace new upper / lower hose (1), (2) and clamp bands.
5. Tighten the clamp bands.
6. Fill with clean water and anti-freeze until the coolant level is just
below the port. Install the radiator cap securely.
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(1) Breather Hose
(1) Hot Water Hose
(2) Gas Regulator
A: Hot water IN
B: Hot water OUT
(1) Balance Hose
(1) Upper Hose (2) Lower Hose
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