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2. Remove cap from fuel tank and use pump-type syphon
to drain fuel into clean gas can.
Note: This is the only procedure recommended for
draining fuel.
Changing Crankcase Oil
Change oil after the first 5 operating hours and then after
every 50 hours or every season. Change oil while engine
is warm.
Note: Change oil every 25 hours when operating under
heavy load or in high temperatures.
1. Stop engine and wait for all moving parts to stop. Pull
wire off spark plug (Fig. 9).
2. Remove grass bag. Drain gasoline from fuel tank: refer
to Draining Gasoline, page 13.
3. Remove dipstick from oil fill tube and place a drain
pan next to left side of mower.
4. Tip mower on its left side, allowing oil to drain into
drain pan (Fig. 19).
1
Figure 19
1. Oil fill tube
5. When oil is drained, return mower to upright position
and add fresh oil to engine. Refer to Fill Crankcase
With Oil, page 7.
Replacing Oil Filter
Replace the oil filter (Fig. 19) after every 100 operating
hours or yearly, whichever occurs first.
1. Drain gasoline from fuel tank; refer to Draining
Gasoline, page 13.
2. Drain oil. Refer to Changing Crankcase Oil, page 14.
3. Place a rag under oil filter to catch any oil that may
leak out as filter is removed.
2
m–3848
2. Oil filter
4. Remove oil filter and discard it.
5. Using your finger, coat the gasket on the new filter
with oil (Fig. 20).
1. Gasket
6. Install the new filter and hand tighten it 2/3 turn only.
7. Check the filter for any oil leaks.
8. Properly discard the oily rag.
Adjusting Throttle
Throttle control adjustment may be required if engine
does not start. Whenever a new throttle control cable is
installed, throttle must be adjusted.
1. Stop engine and wait for all moving parts to stop. Pull
wire off spark plug (Fig. 9).
2. Loosen cable clamp screw until throttle cable slides
(Fig. 21).
3. Move governor control lever, throttle cable and casing
in direction of arrow as far as possible (Fig. 21).
1. Cable clamp screw
2. Governor control lever
4. Move throttle control to
5. Tighten cable clamp screw to lock adjustment in place.
14
1
Figure 20
Figure 21
3. Throttle cable
4. Casing
(FAST position).
m-3862
m-3638
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