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blade is not balanced, file some metal off the end of
the sail area only (Fig. 19). Repeat this procedure until
the blade is balanced.
1
Figure 21
1. Blade
Installing the Blades
1. Install the blade onto the spindle shaft (Fig. 19).
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. 19). Torque the blade bolt to 85–110 ft-lb
(115–150 N m).
Cleaning the Cooling System
Clean the air intake screen from grass and debris before
each use.
Clean cooling fins and engine shrouds every 300 hours or
yearly, which ever comes first.
1. Stop the engine, set the parking brake, remove the key
and disconnect the spark plug wire(s) from the spark
plug(s).
2. Remove air intake screen, air cleaner cover, fan
housing, and bolts (Fig. 22).
3. Clean debris and grass from engine shrouds and
cooling fins.
4. Reinstall air intake screen, air cleaner cover, fan
housing and bolts. Install bolts to 4.3 ft-lb (5.9 N m)
torque (Fig. 22).
2
m–1855
2. Balancer
29
1
5
3
Figure 22
1. Air intake screen
2. Fan housing
3. Air cleaner cover
Air Cleaner
Foam Element: Clean and re-oil after every 25 operating
hours.
Paper Element: Clean after every 100 operating hours.
Replace after every 300 operating hours or yearly. Which
ever comes first.
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" to stop the
engine. Remove the key.
2. Clean around the air cleaner to prevent dirt from
getting into the engine and causing damage. Remove
cover nuts and cover (Fig. 23).
3. Remove wing nuts and air cleaner elements (Fig. 23).
4
5
2
6
5
m–4369
4. M6 x 10mm bolt
5. M6 x 12m bolt
6. M6 x 20mm bolt
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