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Page Title:
INTEGRAL DERRICK AND DERRICK SHEAVE ASSEMBLY REMOVAL, REPAIR, AND REPLACEMENT - continued |
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 TM 9-2320-209-34-2-2
e. Replacement.
Slide derrick sheave assembly (1) into derrick assembly (2).
1.
Tighten two screws (3) against groove in shaft of support
2.
block (4).
3.
Put a coat of grease on derrick assembly (2) in derrick tube
base (5).
4.
Slide derrick assembly (2) over rack bar (6). Do not push it
into derrick tube base (5).
5.
Turn derrick assembly (2) so that boring machine operator will be
able to see sighting holes (7) when derrick is in vertical position.
6.
Push derrick assembly (2) into derrick tube base (5) as far as it
will go.
GO TO FRAME 2
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