TM 55-1680-320-23 & P
2-19. BOOM HEAD ASSEMBLY - REPAIR (cont)
2-19
4. Repair. Repair of parts is limited to the removal
of minor nicks, burrs, scratches or other surface
damage using aluminum oxide cloth or fine
abrasive. Clean parts thoroughly after repair. If
damage is extensive, or if minor repair will affect
serviceability, replace the part.
5. Reassembly.
a.
b.
c.
d.
e.
f.
g.
h.
i.
j.
Coat sight plugs (31) with RTV-732 sealant
and install.
Lubricate packings (30) oil and install onto
side covers (26).
Install (29) into bearing bore of cover
(26).
Position side cover assemblies (26), ensuring
proper packing seat. Secure using bolts (27)
and washers (28).
Install actuator leaves (24) and position with
microswitch assemblies (25) and boom hous-
ing.
Install screws (21), washers (22) and nutplates
(23).
Install cable guide (19) using screws (20).
Pcsition spring (18) onto boom head boss, en-
suring snug fit.
Position actuator assembly (15) to beam head
housing. Fit bolt (16) through actuator assemb-
ly and spring (18). Secure using nut (17).
Adjust actuator assembly (Task 2-24).
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