Shindaiwa DGK25F Owner's And Operator's Manual page 39

(1) Engine Oil Replacement
First Time
Thereafter Every 250 hours
1 Set a container to catch spilled engine oil.
Remove the oil filler cap.
2
After removing the oil drain plug and o-ring, open
3
the oil drain faucet and drain the engine oil.
After the oil has been drained,close the oil drain
4
faucet and reinsert the oil drain plug with o-ring.
5 Add oil through the oil filler until it is at the
maximum level while checking the oil level using
the oil level indicator.
6
Attach the oil filler cap.
< Note >
 Refer to section "8-1. Checking Engine Oil" for engine oil
replacement amounts and types.
 After reinserting the oil drain plug and shortly after starting
the engine, be sure to always check that there is no oil
leakage.
 Always be sure to wipe up any spilled engine oil.
(2) Replacing the Oil Filter
First Time
Thereafter Every 500 hours
1 Drain the engine oil. (Refer to section "(1) Engine Oil
Replacement".)
Remove the oil filter using a filter wrench.
2
Apply thin layer of oil on a new oil filter gasket.
3
Thread the oil filter by hand(do not use a filter wrench), and it in
4
until the gasket contacts the seal surface, and then tighten it
with one turn using filter wrench.
Add engine oil to the generator.
5
Shortly after starting the engine, always be sure to check that
6
there is no oil leaking from the seal surface.
< Note >
 Request the authorized distributor where the generator was purchased
to perform this procedure if you do not have a filter wrench.
 Oil filter part no.: 8944567412 (Isuzu part no.)
 Always be sure to wipe up any spilled engine oil.
50 hours
50 hours
36
Oil Filler
（Cap）
Oil Drain
Faucet
Oil Drain Plug
Packing
Open
Oil Drain Faucet
Oil Drain Plug
Oil Level
Indicator
Close
Oil Filter
Gasket