Servicing The Air Cleaner - Toro 74177 Operator's Manual

blade is not balanced, file some metal off the end of
the sail area only (Fig. 31). Repeat this procedure until
the blade is balanced.
1
Figure 33
1. Blade
Installing the Blades
1. Install the blade onto the spindle shaft (Fig. 31).
Important The curved part of the blade must be
pointing upward toward the inside of the mower to ensure
proper cutting.
2. Install the flat washer, lock washer and blade bolt
(Fig. 31). Torque the blade bolt to 85–110 ft-lb
(115–150 N m).

Servicing the Air Cleaner

Foam Element: Clean and re-oil after every 25 operating
hours.
Paper Element: Replace after every 100 operating hours.
Note: Service the air cleaner more frequently (every few
hours) if operating conditions are extremely dusty or
sandy.
Removing the Foam and Paper Elements
1. Disengage the power take off (PTO), set the parking
brake, and turn the ignition key to off. Remove the
key.
2. Clean around the air cleaner to prevent dirt from
getting into the engine and causing damage. Unscrew
the knob and remove the air cleaner cover (Fig. 34).
2
m–1855
2. Balancer
29
5
7
4
3
2
9
1
Figure 34
1. Knob
2. Air cleaner cover
3. Cover nut
4. Cover
5. Foam element
6. Paper element
3. Carefully slide the foam element off the paper element
(Fig. 34).
4. Unscrew the cover nut and remove the cover and paper
element (Fig. 34).
Cleaning the Foam Element
1. Wash the foam element in liquid soap and warm water.
When the element is clean, rinse it thoroughly.
2. Dry the element by squeezing it in a clean cloth (do
not wring).
3. Put oil on the element (Fig. 35). Squeeze the element
to distribute the oil.
Important Replace the foam element if it is torn or
worn.
1
Figure 35
1. Foam element
11
10
6
8
m–4086
7. Rubber seal
8. Air cleaner base
9. Knob gasket
10. Spitback cup
11. Spitback gasket
2
m–1213
2. Oil