JLG 660SJ Operator Manual - Manual (Page 136)

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
6-32 – JLG Lift – 3121205
24. Electronic Pressure Regulator (LP only)
Interval - 3 Months or 150 hours of operation
Comments - Drain oil build up. Refer to Section 6.6,
DRAINING OIL BUILD UP FROM THE PROPANE REGU-
LATOR (Prior to S/N 0300132529)
25. Fuel Filter (Propane) - GM Engine
Interval - 3 Months or 150 hours of operation
Comments - Replace filter. Refer to Section 6.7, Propane
Fuel Filter Replacement