4-8
BVW-55 P2
GB(3) gear
assembly
Gear box housing
Bearing
Pulley
Timing belt
Post
GB(1) gear assembly
GB(3) gear assembly
Bearing
Bearing
7. GB(3) gear assembly replacement
(1) Remove the bearings in the shafts on both
ends of the GB(3) gear assembly.
(2) Clean the shafts from both ends of a new
GB(3) gear assembly with dry cloth.
(3) Install bearings in the shafts on both ends of
the GB(3) gear assembly.
8. Gear box housing installation
(1) Insert the bearing of the GB(3) gear assembly
into the hole shown in the figure and put up
the gear assembly.
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Be careful not to lose the bearing during
installation.
(2) Put the gear box housing among the three
posts on the mechanical deck as shown in the
figure, and push it to the position where the
pulley at the tip of the GB(1) gear assembly
touches the timing belt.
(3) Put the timing belt on the pulley using
tweezers and insert the bearing at the tip of
the GB(1) gear assembly firmly into the hole
of the mechanical deck.
(4) Push the gear box housing toward the
mechanical deck as far as it will go.
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Be careful not to interpose the timing belt
between the gear box housing and mechani-
cal deck at that time.
4-2. Gear in Gear Box Replacement
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