MAINTENANCE
14
Air Filter (Mower Only)
Once every season, or every 50 hours, clean the air
filter housing and element. Do so more frequently
under dusty conditions.
Note: Do not operate the en
ine without the air filter in
place. Doin
so may dama
e the en
ine or cause
excessive en
ine wear.
1. To remove air filter (A), snap cover latch open,
swin
to side, and unhook. Remove the cover (B)
and air filter. (See Fi
ure 1.)
Figure 1
3297-005
2. Wash air filter in laundry deter
ent and water.
Squeeze filter to remove excess liquid and blot dry
with a paper towel or ra
(see Fi
ure 2). Do not
wrin
out the element or dama
e may occur.
Figure 2
3329-006
3. Apply one tablespoon SAE 30 or similar oil to the
air filter (see Fi
ure 3). Li
htly squeeze filter until
oil is distributed evenly throu
hout the filter. Blot
li
htly with paper towel to remove excess oil.
Replace filter with cleanest side facin
carburetor.
Note: Be sure filter is properly seated in air box and
is not puckered (allowin
direct passa
e of air and
dirt to carburetor).
Figure 3
3297-007
Spark Plug
A spark plu
that is dirty, pitted, carbon covered, or has
worn electrodes may cause hard startin
and poor
operation.
Replace spark plu
once a season or every 25 hours,
which ever occurs first. Use NGK BPMR 4A or
equivalent.
1.Set spark plu
ap to .030 (.76 mm). (See
Fi
ure 4.)
Figure 4
3297-008
2. Install spark plu
fin
er ti
ht, then torque per
specifications. (See Fi
ure 5.)
Figure 5
3297-009
IIIIIIIIIIIIIIIIII
.030 in. (.76mm)
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