JLG 4017PS Operator Manual - Manual (Page 165)

Section 7 - Lubrication and Maintenance
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B. Drain Fuel/Water Separator
1. Perform “Shut-Down Procedure” on page 4-3.
2. Open engine cover.
3. Loosen drain cock (3) on underside of fuel filter (4) and allow all water to drain
into a glass until clear fuel is visible. Tighten drain cock.
4. Close and secure engine cover.
50
OW0980
OW1000
OB0410
4
3