JLG 450A_AJ Series II Service Manual - Manual (Page 211)

SECTION 3 - CHASSIS & TURNTABLE
3121290 – JLG Lift – 3-171
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 VEN-
TURI, IT WILL MELT THE HOOD. IF EXHAUST PIPE IS NOT CENTERED, ADJUST MUFFLER
OR OUTLET AS NEEDED FOR NECESSARY CLEARANCE.
Figure 3-79. Exhaust Venturi Adjustment