JLG X23J - X700AJ Service Manual - Manual (Page 304)

SECTION 3 - CHASSIS & TURNTABLE
3121448 – JLG Lift – 3-277
On new or reconditioned engines, after the first 25
operating hours, always:
– Change engine oil.
– Check valve clearances and adjust if necessary.
– Examine screw connections. Do not tighten the cylin-
der head fastening.
If the engine is not used frequently, change the engine
oil after 12 months at the latest, regard-less of the actual
number of hours it has been inn operation.
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