Check Points Of Every 1000 Hours - wsm wg972-e4 Workshop Manual

WG972-E4, WSM

[6] CHECK POINTS OF EVERY 1000 HOURS

Checking Radiator Hoses and Clamp Bands
1. Check to see if the radiator hoses are properly fixed every
200 hours of operation or every six months, whichever comes
first.
2. If the clamp is loose, apply oil to the threads and retighten it
securely.
3. The coolant hose is made of rubber and tends to age. It must be
replaced every two years. Also replace the clamp and tighten it
securely.
(1) Upper Hose
Replacing Spark Plug
1. Disconnect the ignition coil (1).
2. Remove the ignition coil stay (2).
3. Remove the spark plug.
4. Replace the new spark plug.
5. Tighten the spark plug with a plug wrench.
IMPORTANT
(When reassembling)
• Put the high tension cord cap inside the spark plug
terminal firmly.
• Make sure that the cylinder number is corresponding to the
high tension cord number.
• Wrong connection causes high temperature on catalytic
muffler/converter.
Spark plug
Tightening torque Spark plug
(1) Ignition Coil
Checking Hot Water Line of Gas Regulator (Gas Line)
[WG972-GL, WG972-L, WG972-N]
1. Check the coolant hoses (1) are not damaged.
2. If the coolant hoses (1) are damaged, replace it.
3. Check the hot water lines are not leaking.
(1) Coolant Hose
(2) Regulator with Vaporizer
Checking Balance Hose of Gas Regulator (Gas Line)
[WG972-GL, WG972-L, WG972-N]
1. Check the balance hose (1) is not damaged.
2. If the balance hose (1) is damaged, replace it.
(1) Balance Hose
G-21
GENERAL
(2) Lower Hose
9Y1211108GEG0034US0
NGK BKR6E
24.5 to 29.4 N·m
2.50 to 2.99 kgf·m
18.1 to 21.6 lbf·ft
(2) Ignition Coil Stay
9Y1211108GEG0035US0
A: Hot water IN
B: Hot water OUT
9Y1211108GEG0036US0
9Y1211108GEG0037US0
KiSC issued 07, 2015 A