Joyner JNSZ1100SVB, Owner'S Manual, Page: 44 / 228

Engine maintenance
16. Service Air Filter
Service air filter refer to preventative log.
NOTE: Service more often under dusty conditions.
Remove filter cover ( See Fig. 36 ) Check the filter cover and the air filter, if the filter cover
and the air filter are dusty, please clear the filter cover and replace with a new air filter.
17. Engine Lubrication
18. Engine oil replacement
You must change the oil in the crankcase after the first 5 hours of operating of your
new engine and after 10 hours of use thereafter. That will insure proper lubrication of
internal parts and prevent costly repairs due to excessive wear. (See Fig. 37-39)
FIGURE 35
FIGURE 36
Cover
Filter
Rubber bushing
Oil inlet plug
Oil measure
Oil intlet