16
Hydro
Midsize
MAINTENANCE
HYDRAULIC RESERVOIR
CHECK, DRAIN AND FILL
Check level every 100 hours or when a leak has oc-
curred. To check level: Remove reservoir cap. Add
10W30 oil until the oil level reaches the bottom of the
ller tube. Do not overll.
EVERY 500 HOURS:
Change hydraulic oil and lter. Remove plug D to
drain reservoir. Remove and replace lter. Filter is
located on front of tank at G. Reinstall plug and ll
with 10W30 oil to the bottom of the ller tube F.
SPARK PLUG
Remove plug and check condition.
Good operating conditions are indicated if the plug has a light grey or tan deposit. A white blistered coat-
ing may indicate overheating. A black coating usually means an “over rich” fuel mixture caused by a
clogged air cleaner or improper carburetor adjustment. Do not sandblast, wire brush or otherwise try to
clean a dirty plug. Best results are obtained with a new plug.
See engine manufacturers manual for proper spark plug gap.
In-Line Fuel Filter
When required, the fuel lter X may be replaced.
See the Setup, Parts & Maintenance manual for ser-
vice part numbers.
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