JLG 450A_AJ Series II Service Manual - Manual (Page 265)

SECTION 3 - CHASSIS & TURNTABLE
3121180 – JLG Lift – 3-215
A
B
C D
A. Exhaust Venturi
B. 1/4" (6.35 mm) minimum clearance all around.
C. 3/4" (19.05 mm) minimum engagement
D. Exhaust Pipe Outlet
OUTLET PIPE MUST BE CENTERED WITHIN 1/4" (6.35 MM) MINIMUM
CLEARANCE TO EXHAUST VENTURI AROUND VENTURI’S PERIMETER.
IF EXHAUST PIPE TOUCHES VENTURI, IT WILL MELT THE HOOD. IF
EXHAUST PIPE IS NOT CENTERED, ADJUST MUFFLER OR OUTLET AS
NEEDED FOR NECESSARY CLEARANCE.
Figure 3-104. Exhaust Venturi Adjustment