Toro TimeCutter Z420 - Engine System Maintenance

Engine Maintenance
Servicing the Air Cleaner
F oam Element: Clean after ev er y 25 operating
hours , or yearly , whic hev er occurs first.
P aper Element: R e place after ev er y 100 operating
hours or yearly , whic hev er occurs first.
Note: Ser vice the air cleaner more frequently
(ev er y few hours) if operating conditions are
extremely dusty or sandy .
Removing the Foam and Paper
Elements
1. P ark the mac hine on a lev el surface and
diseng ag e the blade control switc h.
2. Mo v e the motion control lev ers to the brak e
position, stop the engine , remo v e the k ey , and
w ait for all mo ving par ts to stop before lea ving
the operating position.
3. Clean around the air cleaner to prev ent dir t
from g etting into the engine and causing
damag e . Pull up on the air cleaner co v er handle
and rotate it to w ard the engine ( Figure 21 ).
R emo v e the air cleaner co v er .
Figure 21
1. Air cleaner cover 2. Air cleaner cover handle
4. Carefully slide the paper element and foam
element from the blo w er housing ( Figure 22 ).
Figure 22
1. Paper element 4. Tab
2. Foam element 5. Slot
3. Air cleaner cover 6. Blower housing
Cleaning the Foam Element
1. W ash the foam element in liquid soap and
w ar m w ater . W hen the element is clean, rinse
it thoroughly .
2. Dr y the element b y squeezing it in a clean
cloth. Do not oil the element.
Important: R eplace the f oam element
if it is tor n or w or n.
Important: Do not clean or oil the paper
element . R eplace the paper element if it is
dama ged or cannot be cleaned thor oughl y .
Installing the Foam and Paper
Elements
Important: T o pr ev ent engine dama ge,
al w ays operate the engine with the complete
f oam and paper air cleaner assembl y installed.
1. Place the foam element and paper element into
the blo w er housing .
Note: Mak e sure that the r ubber seal is flat
ag ainst the air cleaner base .
2. Align the tabs on the air cleaner co v er with the
slots of the blo w er housing ( Figure 22 ). Hook
the handle onto the co v er and press do wn on
the handle to loc k the co v er in place .
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