7.1. Breather tube (2)Cover screw
2. 8.Air cleaner cover Filter element
9.3. 11mm breather bolt (2)Seal ring
4. 10.Screw (3) Backplate
11.5. GasketClip nut
6. 12.Bracket Gasket
Figure 4-1. Air Cleaner Assembly
INSTALLATION
1. See Figure 4-1. Position new gasket (12) on backplate.
Insert two breather bolts (9) (metric) into backplate.Thread
bolts loosely into each cylinder head. Final tighten bolts
to 22-24 ft-lbs (29.8-32.5 Nm).
2. Position new gasket (11) on filter element (8). Make sure
gasket holes are aligned with screw holes.
3. Attach breather tubes (7) to breather screws on backplate.
4. Install air filter element (8) and bracket (6) using three
screws (3). Tighten to 40-60 in-lbs (4.5-6.8 Nm). Slide
clip-nut (5) to the right and into place.
5. Insert breather tubes (7) into holes in filter element.
6. Install air filter cover (2).
a. Apply a drop of LOCTITE THREADLOCKER 243
(blue) to threads of air cleaner cover screw (1).
b. Install air cleaner cover and tighten screw to 36-60
in-lbs (4.1-6.8 Nm).
BACKPLATE ASSEMBLY: HDI MODELS
See Figure 4-2. HDI models have unique backplates. These
parts may be distinguished by:
• A different intake with a solenoid-operated trap door
assembly at the mouth of the intake.
• An intake solenoid connector (2) on the backplate.
Perform the same routine maintenance on HDI models, but
also check that the trap door in the backplate operates properly.
2008 Dyna Service: Fuel System 4-5
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