TM 9-2320-269-20-2
DERRICK LEG ELEVATION HYDRAULIC DRIVE LINES - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
INSPECTION/REPLACEMENT - CONTINUED
16.
All hose
a. Look for cracks, breaks, tears, and
assemblies
b. Look for loose connectors.
c. Look for damaged threads.
INSTALLATION
NOTE
Before installation, wrap all hose assembly external threads with two turns of teflon tape
(page 2-142).
17. Derrick mast (1)
Two derrick
With help from assistant, and using
and console (2)
operator's valve-
fish tape, put in position.
to-selector valve
hose assemblies
(3) and (4)
2-981