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................. MAINTENANCE
SERVICE
The engine components listed on this page should
be serviced on a regular basis to keep it in top
working condition. Refer to the "SERVICE
SCHEDULE" on page 13 of this manual for the
recommended intervals. Refer to the Engine
Owner's Manual for specific instructions.
ENGINE PRE-CLEANER
The engine pre-cleaner should be removed and
cleaned every 25 operating hours. See Figure 25 and
25A. Refer to the Engine Owner's Manual for specific
cleaning instructions.
ENGINE AIR CLEANER
The engine air cleaner element should be cleaned each
time the pre-cleaner is serviced and should be replaced
every 100 operating hours. See Figure 25 and 25A.
Refer to the Engine Owner's Manual for specific details
_---_'_-_- "_,,_ COVER RETAINING KNOB
L_ _=""----AIR CLEAN ER COVER
ELEMENT RETAINING KNOB
IDGE ELEMENT I
RETAINING STUD
AIR CLEANER BASE
ISINGLE CYLINDER ENGINE TYPE I
FIGURE 25
AIR CLEANER
CARTRIDGE
NG PLATE
RETAINING KNOB
"AIR CLEANER COVER
RETAINING CLIPS
ITWINCYLINDERENGINETYPEI
FIGURE 25A
18
J
INSTRUCTIONS I
• i
SPARK I
PLUG
\
.030"(0.76mm)
WIRE GAGE
FIGURE 26
SPARK PLUG
Remove and replace engine Spark Plug(s) after 100
operating hours. Refer to Engine Owner's Manual for
correct replacement Plug and Spark gap specifica-
tions. See Figure 26.
ENGINE COOLING SYSTEM
The engine cooling system consists of an engine shroud
and engine fins. These should be kept clean and free of
debds as needed or cleaned at least every 100
operating hours or more often under dusty, dirty
conditions.
FUEL FILTER
The engine Fuel Filter should be replaced every 100
operating hours. Remove and replace the fuel filter as
follows (when Engine is cold):
1. Raise tractor hood, remove Spark Plug Wire(s)
from Plug(s) and secure the Wire(s) away from the
Spark Plug(s).
.
Locate the Fuel Filter. On single cylinder engines,
the Fuel Filter is located under the air cleaner. On
the twin cylinder models, it is located above the
valve cover.
3. Drain gasoline from Fuel Tank before removing
Fuel Filter to prevent gasoline spillage. Drain fuel
into a clean container if fuel is to be re-used.
=
Have a container handy to drain the fuel into, then
remove the hose clamps above and below the fuel
filter and drain fuel from the tank and carburetor into
the container.
e
Install a new SNAPPER Part Number 1-4359 Fuel
Filter in place of the old Filter. Re-install the Hose
Clamps and reconnect the Fuel Lines. See Figure
27.
.
Re-fill Fuel Tank with gasoline. Re-connect Spark
Plug Wire(s) to Spark Plug(s) and lower the tractor
hood.
FIGURE 27-
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