Yanmar SK1550, Operator'S Manual

Page: 81 / 99

Service - 80
SK1550 Operator’s Manual
Procedures
Fluid
,
Hydraulic
Check before startup and every 10 hours. Change
every 500 hours.
Check Level
1. Check level at sight glass (2).
2. Add THF at fill (1) as needed to keep level at
halfway point on sight glass when engine is
off, cylinders are fully retracted, and fluid is
cool.
Change Fluid
1. Remove plug (3) to drain.
2. Install plug.
3. Add THF at fill to keep level at halfway point on sight glass.
Fuel Hose
Check fuel hose (shown) and clamp bands every
50 hours.
If clamp is loose, apply oil to the threads and
retighten. If hose is worn, replace.
Bleed fuel system if hose and/or clamp is
changed.
NOTICE: Change every 250 hours if jobsite
temperature exceeds 100°F (38°C) more than
50% of the time.
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