0009 00
TM 1-1670-260-12&P
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(4) Position the mid-point of the green/white sling (4) View A, under the 10 o'clock position main rotor blade
retention assembly by threading the green/white sling (4) through the opening above the Droop Stop
(a) Ensure sling does not cross itself at any point.
(b) Bring sling eyes together.
d. Carefully lay sling eyes for green/white slings (1), (2), (3), and (4) on the helicopter for easy access during the
crossbar installation.
e. Install crossbar (5) and attach slings (1) through (4) and (6) through (9) to crossbar as follows:
(1) Assemble crossbar as follows: (Figure 2)
CAUTION
The crossbar assembly is assembled on the MMA.
Maintain control of crossbar while assembling and
hooking up sling crossbar.
(a) Place the main member of the crossbar on top flat surface of MMA with the foam side down.
(b) Securely holding crossbar assembly in place, insert each tube assembly into a cavity of the main
member aligning the TOP/BOTTOM arrows of the tube assembly with the main member cavity.
(c) Secure each tube to main member using the quick-release pin at that station of main member.
Figure 2. Crossbar Assembly
(2) Balance the crossbar assembly on the top of the MMA by placing one hand on top of the center of
the crossbar assembly. Orient crossbar assembly tubes to align with main rotor blades.
(3) Attach green/white slings (1) through (4) to crossbar assembly with free hand as follows:
(a) Grab both sling eyes from the green/white sling (1) at the 2 o’clock main rotor blade (View B) and
snap them into the corresponding sling lug located at the end of the crossbar assembly tube.
(b) Grab sling eyes from the green/white sling (2), View A, at the 4 o’clock main rotor blade (View B)
and snap them into the corresponding sling lug located at the end of the crossbar assembly tube.
(c) Grab sling eyes from the green/white sling (3), view A, at the 8 o’clock main rotor blade (View B)
and snap them into the corresponding sling lug located at the end of the crossbar assembly tube.
(d) Grab sling eyes from the green/white sling (4), View A, at the 10 o’clock main rotor blade (View B)
and snap them into the corresponding sling lug located at the end of the crossbar assembly tube.
0009 00-6
Ring and Droop Stop Follower Spring ensuring that the sling passes inboard of the inboard strap pack hub bolts.
