ENGINE
4241262-Rev B 3-7
3
Installation Notes
• Install fan belt by reversing order of removal.
• Adjust belt tension by loosening alternator mounting
screws (1 and 3) and pulling alternator (2) against
belt (4) until proper tension is achieved.
• Measure belt tension at midpoint between pulleys.
Adjust alternator belt to 0.25–0.313 in. (6 to 8 mm)
deflection with a tension of 20 lb (89 N).
• See engine manufacturer’s manual for further
information.
Air Cleaner Assembly
Removal and Installation
See Figures 3-8 through 3-10.
!
CAUTION
NOTES
• Air filter on this engine is a dry type; never apply oil to
this air filter.
• Naturally aspirated engine shown; turbocharged
engine is similar.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Raise the hood.
Figure 3-8
NOTE
Note orientation of air inlet (3) before removing air filter
dust cap (1) to ensure correct installation.
3. Release retaining clips (2) and remove air filter dust
cap (1).
4. Using damp, lint-free cloths, thoroughly clean inside
of dust cap.
Figure 3-9
5. Pull air filter element (4) from filter housing (5). Using
damp, lint-free cloths, clean inside of filter housing.
6. Inspect air intake hoses (6 and 7) for wear or
damage, and replace as necessary.
• Do not open the air cleaner assembly for
inspection and cleaning until the air filter
restriction gauge indicates an air filter
restriction. Removing the air filter increases
the possibility of dust, dirt, and contaminants
entering the engine.
• Do not remove the air filter with the engine
running.
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TN3593
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3
TN3594
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