GB-12
GB
JACOBSEN G-PLEX III Series: DN & DP
MAINTENANCE AND PARTS MANUAL
5 LUBRICATION AND MAINTENANCE
5.5 ENGINE OIL - DIESEL
Change engine oil.
1 After first warming up the engine remove
the drain plug and drain all the oil from
the crankcase sump.
2 Clean plug and replace.
3 Remove the filler cap (Fig. 5.5.2) and refill
with fresh oil up to the maximum level on
the dipstick (Fig. 5.5.1).
See Specification for oil grade and
amount.
4 Replace filler cap securely.
NOTICE
DO NOT overfill. Engine overheating and
damage may result.
1
Figure 5.5.1
1. Dipstick
1
Figure 5.5.2
1. Oil Filler Port
5.4 ENGINE OIL FILTER- GASOLINE
Change Engine Oil Filter
1. Drain engine oil and remove oil filter.
2. Before installing new filter, lightly oil filter
gasket with fresh, clean oil.
3. Screw filter on by hand until gasket
contacts filter head. Tighten 1/2 to 3/4
turn more.
4. Add fresh oil. Fill to FULL line on dipstick.
5. Start and run engine at idle and check for
leaks.
6. Stop engine, leave for 15 minutes, re-
check oil level. Add oil if required.
Fig. 5.4.1
A. Oil Filter