Bolens 247.77010 - Manual (Page 13)

5 .
Remove hex screw and flat washer on top of
rear housing near mounting bracket and the lock
nut that secures flail screen. See Figure 12 and
14
.
Remove and clean the screen by scraping or
washing with water. Reinstaii the screen.
SHARPENING OR REPLACING CHIPPER
BLADE
Because the engine on this unit has a tapered crank­
shaft, a special impeller removal tool (part number
753-0638) is required to remove the impeiler assem­
bly. For further assistance, contact your Sears Ser­
vice Center.
NOTE: When tipping the unit, empty the fuel tank
and keep engine spark plug side up.
1. Disconnect and ground the spark plug wire.
2. Remove the front hubcaps, shoulder screws,
wave washers, and bell washers that attach to
the front wheels. See Figure 15.
3. Remove the shoulder screws that go through the
pivot arms and height bracket adjusters to the
front support brace. See Figure 15.
4. Remove the three screws on the upper housing
that secure the nozzle cover and the nine
screws that secure the lower housing to the
upper housing. See Figure 16.
5.
6 .
Remove lock nut that secures flail screen to the
lower housing. The flail screen does not have to
be removed. See Figure 12 and 14.
Remove the hex bolt, lock washer, and flat
washer that secure the impeller assembly to the
crankshaft. See Figure 17.
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