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BBC Under Deck Components Assembly (cont'd)
Figure 96
NOTE: If the crankshaft nut is tightened with these tabs
misaligned, the boss at the bottom of the keyway on
the self-propel pulley will break and the self-propel
pulley will be free to slide up and down on the
crankshaft. This can result in premature belt wear and
belt jumping.
7.
Press the bearings into the bearing block, using
an arbor press. Press only
on the outer race,
otherwise bearing damage will result (use an
appropriately sized arbor or a 28 mm (1-1/8")
socket to press the bearing into the block).
8.
Make sure that
the anti-vibration pads are
in
place on the brake drum and assemble the brake
drum bearing block and BBC screws onto the
crankshaft as shown in Figure
97.
Secure with
the crankshaft nut.
Crankshaft Nut Torque:
78.8 N-m
(58 ft
Ibs)
Figure 97
BBC System
NOTE: Make sure that the BBC screws are properly
aligned before tightening the crankshaft nut.
9 .
Install the BBC cover with the four flanged head
self-tapping screws.
10. Install the BBC screen, the blade spacer, the
blade and the anti-scalp disk onto the BBC
screws and secure with the two flanged nylon
locknuts. Torque to 3.80 kg m (330 in. Ibs.).
Blade Locknut Torque
37 N-m
(330
in Ibs)
11. Complete BBC service by checking BBC and
self-propel controls, making sure
that all are
functioning normally. Adjust
as
necessary.
BBC CABLE
BBC Cable Removal
1.
Remove the two flanged head
self-tapping
screws securing the screen panel to the housing
and remove the screen panel as shown
in Figure
2 2 ,
page 24.
2.
The end of the BBC cable sheath has two
protruding ears that catch the underside of the
cable bracket. Remove the cable by squeezing
the ears together, then pulling the cable out
vertically. See Figure
98.
3 .
BBC CABLE
LOCATI O N
I
Figure 98
Bend the throttle control locking
tab back slightly
and tap the throttle control from
the control panel
with a rubber mallet. See Figure 51, page
X X .
Place a piece of duct tape over the heads of the'
handle and the BBC control box. This will prevent
control box components from falling out of the
handle during disassembly.
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