Simplicity 759 3415H - Every 100 Hours or Once a Year

Ficjjne 31. Hydrostatic transmission fluid reservoir and bevel
gear housing located under seat deck.
the vent plug located on top of the bevel gear housing. If oil
is required, add SAE 90 weight transmission oIL FQl only
until oil can be seen in the bottom of the pipe elbow. If it
should be necessary to drain the bevel gear housing, the drain
plug is located at (EJ. Always tighten it securely when replac¬
ing to prevent oil leakage.
CHECK BATTERY WATER LEVEL: Seefigure32,
Every 25 hours, or more often when operating the tractor in
temperatures above 72PF* remove the 6 battery caps (A} and
check the water level in each cell. When the battery Is in use,
water evaporates from it. Never allow the water level in the
battery to get below the top of the plates. Fill the battery to
marking ting (D) with distilled water as shown in figure 32.
If distilled water is not available, clean tap water may be used.
EVERY 100 HOURS OR ONCE A YEAR
CLEAN OR REPLACE AIR FILTER ELEMENT:
The engine air cleaner is made up of two types of filters. The
foam filter (Figure 23* Item B) and a dry filtering element.
The foam element should be cleaned and oiled every 25 hours
as explained under the Every 25 Hour Maintenance Services.
Once a year or every 100 hours, which ever occurs first, the
paper element should be removed and cleaned or replaced
Proceed as follows:
1. See figure 22. Remove wing nut (B) and cover (C) from
the air cleaner.
2. See figure 23- Remove the foam element (E) and clean
and oil It as described in the Every 25 Hour Maintenance Ser¬
vice.
3. Remove wing nut (C) and remove the paper element from
the air cleaner.
4. Clean the element by tapping it gently on a flat surface.
Ifltis very dirty, replace the dement or wash it in detergent,
and water rinse until water remains clear. The dement must
Figure 32. Tractor battery visible when hood is raised,
be dried thoroughly before using.
5. S ee figure 23- Replace the paper element and wing nut
(O and tighten it securely.
& Install the foam element (B) over the paper element as
shown in figure 23,
7. See figure 22. Replace cover (C) and wing nut (BJ and
tighten securely.
REPLACE FUEL FILTER: See figure 22 Every 100
hours or more often under dirty field conditions; the fuel
filter (F) should be rejoiced. CAUTION: DO NOT REMOVE
THE FUEL FILTER WHEN THE ENGINE IS HOT, AS
SPILLED GASOLINE MAY IGNITE. USE CARE WHEN
REMOVING AND INSTALLING CLAMPS (G), NOT TO
SPREAD THEM ANY MORE THAN NECESSARY AS
THEY MAY TAKE A SET AND NOT HOLD THE HOSE
TO THE FILTER PROPERLY.
In extremely dirty fhel conditions, the fuel filter may be¬
come filled with dirt and restrict fuel flow. The filter can be
washed in solvent and blown out with compressed air and
used.
REPACK FRONT WHEEL BEARINGS: Every 100
hours of operation or Once a year, the front wheel bearings
should be removed and repacked with grease. Proceed as fel¬
lows:
1. Block or jack the front of the tractor so the wheel you are
to work on is not supporting the tractor.
2r See figure 33. Remove the grease cup (A} by prying off
with a screw driver.
5. Use an Allen wrench to loosen the set collar (B).
4 Remove the set collar (B) r washer (E), outer bearing (C),
wheel (D), and inner bearing (F).' It is best to keep the two
hearings separate so you can put them back in their original
place. Wash the bearing shaft, bearings, and wheel housing
with a solvent such as kerosene and wipe dry. Inspect the
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