wsm wg972-e4 - Page 35

GENERAL
WG972-E4, WSM
G-9
In order to keep your engine in good working conditions, be sure to follow the maintenance / checking schedule
given in the table below. (The schedule applies to an engine in use under normal conditions.)
[WG972-L-E4, WG972-N-E4]
(To be continued)
Item
Service Interval
Every
8hrs
(Daily)
Every
50 hrs
(Weekly)
Every
100 hrs
Every
200 hrs
Every
1000 hrs
Every
after
1000 hrs
Every
1 year
Every
2 years
Checking and Cleaning each part 
Checking and filling engine oil 
Checking and filling radiator coolant 
Checking air cleaner element
if
necessary
Checking the connector of fuel pipe and
clamps between gas tank and gas mixer

Cleaning air cleaner primary element
if
necessary

Checking fuel leakage of fuel pipe and
clamps between gas tank and gas mixer

Checking battery electrolyte level 
Cleaning spark plug
if
necessary
Adjusting spark plug
if
necessary
Checking fan belt tension and damage 
Adjusting fan belt tension
if
necessary
Replacing engine oil 
Replacing oil filter cartridge 
Checking fuel tank setting condition
(Gas line)
if
necessary

Checking battery specific gravity 
Checking radiator hoses and clamp bands 
*1 Replacing spark plug 
Checking hot water line of gas regulator 
Adjusting valve clearance 
Cleaning combustion chamber
if
necessary
*1
*2
*3
Replacing air cleaner primary element 
*1
*2
*3
Replacing air cleaner secondary element 
Replacing radiator coolant 
Cleaning radiator and water jacket 
*1
Replacing intake hoses and clamp bands
(Intake air line)

*1
Replacing fuel hoses and clamps between
gas tank and gas mixer

Replacing hot water line of gas regulator 
Checking inner parts of gas regulator 
Replacing breather tube

Rep
lacing Battery 
Repl
acing radiator hoses and clamp bands 
KiSC issued 07, 2015 A