JLG 15/20MSP Operator Manual - Manual (Page 47)

SECTION 3 - MACHINE CONTROLS, INDICATORS AND OPERATION
3121230 – JLG Lift – 3-21
Figure 3-4. Machine Operating Specifications
GRADE
SMOOTH, FIRM AND LEVEL
DO NOT DRIVE MACHINE ON A GRADE OR SIDESLOPE EXCEEDING
THOSE SPECIFIED IN SECTION 5 - MACHINE SPECIFICATIONS
SIDESLOPE