TM 55-1680-320-23 & P
2-18. BOOM HEAD ASSEMBLY - SERVICE
2-18
This task covers: Draining and Servicing
INITIAL SETUP
Personnel Required:
67N, UHl Helicopter Repairer
67T, UH60 Helicopter Repairer
Parts/Materials:
Automatic Transmission Fluid (Item 3,
App. D)
Lockwire (Item 18, App. D)
Packing, MS28775-O1O
Tools and Test Equipment:
Tool Set, Aviation Unit Maintenance
NSN 4920-00-567-0
Tool Kit, Aircraft Mechanic
NSN 5180-00323-4692
Equipment Condition:
Hoist installed in assembly stand
Equipment Condition Para:
Task 2-5
References:
None
1. Draining
[
NOTE
Before removing boom head drain
plugs, place container below boom
head to catch fluid.
a.
Remove lockwire from drain plugs (1) and
discard. Remove drain plugs from side covers
(2) and allow fluid to drain.
b. Remove and discard packings (3). Lubricate
new packings and install onto drain plugs (l).
Install plugs into side covers (2) and secure
using lockwire.
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