JLG 660SJ Service Manual - Manual (Page 26)

SECTION 1 - SPECIFICATIONS
1-10 – JLG Lift – 3121298
12. Oil Change w/Filter - GM
Lube Point(s) - Fill Cap/Spin-on Element
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(JLG P/N 7027965)
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Capacity - 4.5 qt. (4.25 L) w/filter
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Lube - EO
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Interval - 3 Months or 150 hours of operation
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Comments - Check level daily/Change in accordance
with engine manual.
13. Fuel Filter - Deutz
Lube Point(s) - Replaceable Element

Interval - Every Year or 600 hours of operation
14. Fuel Filter (Gasoline) - GM
Lube Point(s) - Replaceable Element
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Interval - Every 6 months or 300 hours of operation
15. Air Filter
Lube Point(s) - Replaceable Element

Interval - Every 6 months or 300 hours of operation or
as indicated by the condition indicator
16. 2-Stage Vaporizer (LP only)
Interval - 3 Months or 150 hours of operation, or
whenever fuel is contaminated.

Comments - Drain oil build up or contamination.
17. Fuel Filter (Propane) - GM Engine
Interval - 3 Months or 150 hours of operation
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Comments - Replace filter.
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