H24d
Maintenance Instructions
Replacing and Repairing
71
Fuel Filter
Fuel
Filter
Fuel Filter Location
IMPORTANT:
Replace the fuel filter only in a clean
area where the connection surface will not be
contaminated by dust and dirt.
The Kohler engine has a spin-on type fuel filter that
should be replaced
every year
using the following
procedure:
1. Turn the fuel tank selector valve to the
OFF
position.
2. Before removing the fuel filter, clean the area
around the filter to keep dirt and debris out of
the engine fuel system.
3. Remove the fuel filter and wipe off the filter
mounting surface on the engine.
4. Install the new fuel filter. Turn the filter until
the rubber gasket contacts the sealing sur-
face, then tighten the filter an additional
1/2 to
3/4 turn.
Turn fuel tank selector valve
ON
to
one of the fuel tanks.
5. Before starting the engine, use the procedure
Fuel Pump Priming on page 30
for instruc-
tions to purge air out of the fuel system.
6. Start the engine and check for fuel leaks
around the filter/fuel hose connection used for
priming.
Mower Blades
Mower blades are removed and remounted as
de scribed in
Sharpen Mower Blades on page
63.
During the course of sharpening and
inspecting mower blades, if there are
any of the
following conditions of wear or dam age, blades
should be replaced
for reasons of safe ty and
performance of the machine:
● An excessive amount of the
flat section
of the
blade has been
ground away
(removed) when
the blade is sharpened. Replace the blade
when less than a 3/4 in. (19 mm) flat section
remains
at the blade tip.
● Examine ends of the blade carefully, especially
the intersection where the flat section of the
blade turns up to form the “wing tip” (refer to
the illustration
Mower Blade Profile for
Sharpening
on page 64 for location of the
wing tip and wear area). Since sand and abra-
sive ma terial can wear metal away in this area,
the blade should be
replaced when metal
thickness has worn to 1/16 in. (1.6 mm) or
less.
DANGER
When blades are operated over sandy soil,
and if blades are allowed to wear, a “slot”
may be worn into the wing tip of blade.
Eventually a piece of the blade may break
off creating a serious potential for injury or
damage.
● Check the blades for
straightness
by marking
blade tip position inside the deck housing and
then ro tating the opposite end of the blade to
the same po sition and comparing. If the differ-
ence in blade tip track is
more than 1/8 in. (3
mm),
the blade is bent and
should be
replaced.
● Inspect the blade surface, especially in formed
areas, for
cracks.
Replace the blade if any
cracks are found.
