Toro Greensmaster Flex21 04021 - Engine Oil Maintenance; Servicing the Air Cleaner

Engine Maintenance
Engine Oil
Chec k the engine oil lev el eac h time the mo w er is
used or after ev er y 8 operating hours . Chang e the
oil after the first 8 operating hours and ev er y 50
hours thereafter . More frequent oil c hang es are
required in dusty or dir ty conditions . T he crankcase
m ust be filled with appro ximately 20 fluid ounces of
proper viscosity oil before staring . T he engine uses
any high-quality oil ha ving the American P etroleum
Institute - APl - “ser vice classification" SF , SG , SH or
SJ . Oil viscosity - w eight - m ust be selected according
to ambient temperature . Figure 19 illustrates the
temperature/viscosity recommendations .
Figure 19
Note: Using m ulti-g rade oils (5W -20, 10W -30, and
10W -40) will increase oil consumption. Chec k the oil
lev el more frequently when using them.
Checking the Engine Oil Level
1. P osition mo w er so the engine is lev el and clean
around oil lev el g aug e ( Figure 20 ).
Figure 20
1. Oil level gauge 2. Drain plug
2. R emo v e oil lev el g aug e b y rotating it
countercloc kwise .
3. Wipe oil lev el g aug e clean and inser t it into filler
por t. Do not screw into por t. T hen remo v e
and c hec k lev el of oil. If lev el is lo w , add only
enough oil to raise lev el to bottom of filler opening .
R ec hec k lev el of oil. Do not o v erfill.
4. R einstall oil lev el g aug e and wipe up any spilled oil.
Changing the Engine Oil
1. Star t and r un engine for a few min utes to w ar m
the engine oil.
2. Place a drain pan at rear of mac hine under drain
plug ( Figure 20 ). R emo v e drain plug .
3. Push do wn on handle to tip mo w er and engine
bac kw ard, allo wing more oil to r un into drain pan.
4. Install drain plug and refill crankcase with proper
oil; refer to Chec king the Oil Lev el.
Servicing the Air Cleaner
Nor mally , clean air cleaner foam element after ev er y 25
operating hours . More frequent cleaning is required
when mo w er is operated in dusty or dir ty conditions .
1. Mak e sure wire is off spark plug .
2. R emo v e wing n uts securing air cleaner co v er to air
cleaner and remo v e co v er . Clean co v er thoroughly
( Figure 21 ).
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