Full Product Manual

20
MAINTENANCE
8.1.1 Change lube oil
Screw out the dipstick and remove the drain
plug. Drain old lube oil while the lube is still
hot. The drain plug is located at the bottom of
the cylinder block. Fasten the drain plug then
fill with the recommended lube oil.
Change the lube oil after 20hrs of initial
operation or at the end of the first month, and
then once every 50hrs for three times, once
every three months, or once every 100 hours
thereafter.
8.1.2 Clean the lube oil filter
Loosen the fasten bolt and pull out oil filter to
clean
Time to be cleaned
Every 6 months or
every 500 hours
Replace it if necessary
8.1.3 Change the air filter
Don’t clean the air filter or air element with
detergent, use a soft brush clean dust
accumulated on the external surface of
element.
Time to be cleaned
Every 3 months or
every 100hours
CAUTION: Never start the diesel
engine without the filter element. Change
any damaged or old filter element when
needed.
8.1.4 Clean and replace the fuel filter
The fuel filter should be cleaned regularly to
insure maximum output power.
Time to be cleaned
Every 6 months or
every 500 hours
Time to be replaced
Every year or every
1000 hours
(1) Drain the fuel oil from the fuel tank
(2) Loosen the small screw of the fuel cock
and pull out the filter from fuel filling mouth.
Wash it thoroughly with diesel oil.
(3) Fuel filter on silent type generator is
locate beneath the fuel tank, open the case
door so you can see it and disassemble.
Clean or replace as necessary.
Time to be cleaned
Every 3 months or
every 1000 hours
8.1.5 Fasten cylinder head bolts (refer to
operation instructions of diesel engine)
8.1.6 Check the injection nozzle and
injection pump.
8.1.7 Adjust the valve clearance for the
intake and exhaust valves.
8.1.8 Replace piston ring.
The operations from 8.1.5 to 8.1.8 require
specific tools and skills. Do not try it yourself.
CAUTION: When operating, do not
expose bare skin to fuel spray. The fuel
can penetrate the skin and cause injury.