JLG 680S Operator Manual - Manual (Page 112)

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
6-24 – JLG Lift – 3121678
13. Fuel Filter (Propane) - GM Engine
Interval - 3 Months or 150 hours of operation
Comments - Replace filter. Refer to Section 6.6, Propane Fuel
Filter Replacement
6.5 TIRES & WHEELS
Tire Inflation
The air pressure for pneumatic tires must be equal to the air pres-
sure that is stenciled on the side of the JLG product or rim decal
for safe and proper operational characteristics.
Tire Damage
For pneumatic tires, JLG Industries, Inc. recommends that when any
cut, rip, or tear is discovered that exposes sidewall or tread area cords
in the tire, measures must be taken to remove the JLG product from
service immediately. Arrangements must be made for replacement
of the tire or tire assembly.