Table 2-1. Preventive Maintenance Checks and Services (Cont)
Item to be
Inspect air shutter by loosening one hose
clamp, removing cover, and ensuring air
shutter moves freely without binding or
c. Inspect air shutter gasket for cracking and dry
b. Air shutter
binds or is stuck.
c. Gasket is
broken or dry
Check security of clamps on particle extraction
hose between air cleaner and tailpipe. Tighten
if loose (35-45 lb-in. (4-5 N·m)), replace if
broken. Examine particle extraction hose.
Replace if excessively worn.
air cleaner and
tailpipe is not