MWO-9-2320-280-35-2
MODIFICATION WORK ORDER
MODIFICATION OF THE HIGH-MOBILITY MULTIPURPOSE WHEELED VEHICLE; M998 SERIES; 3-POINT SEATBELT RESTRAINT SYSTEM FOR BASIC ARMORED AND NON-ARMORED VEHICLES
OCTOBER 2005
CHANGE 2
MWO-9-2320-280-35-2 - Page 18 of 116
MWO 9-2320-280-35-2
Change 2
13
(12)
Install three M7785/2-6-3 rivets through reinforcement and right side body as shown in figure 11.
f. LEFT TUNNEL REINFORCEMENT ASSEMBLY INSTALLATION.
(1) Remove screw, retainer, and insulation from left side tunnel as shown in figure 19.
(2) Remove rivet from left side tunnel as shown in figure 19.
(3) Position 12342723 template to left side tunnel and drill three 0.125-inch diameter holes as shown
in figure 20.
(4) Enlarge hole drilled in step (3) to 0.468-inch diameter in left side tunnel as shown in
figure 21.
NOTE
Ensure that release button on the buckle is positioned towards the tunnel.
(5) Position 12342386 reinforcement assembly to left side tunnel and secure with 12340058 washer,
buckle (part of seatbelt assembly 12480530), and 12340259-3 bolt as shown in figure 21. Tighten bolt to
35-40 lb-ft 48-54 N
•
m).
(6) Enlarge two holes drilled in step (3) to 0.191-inch diameter through left side tunnel and drill
through reinforcement assembly as shown in figure 21.
(7) Install two NAS9301/BNS-6-03 rivets through holes in left side tunnel and reinforcement
assembly as shown in figure 21.
(8) Install existing insulation, retainer, and screw to left side tunnel as shown in figure 19.
g. RIGHT TUNNEL REINFORCEMENT ASSEMBLY INSTALLATION.
(1) Remove two screws, clamp, retainer, and insulation from right side tunnel as shown in figure 22.
(2) Remove two rivets from right side tunnel as shown in figure 22.
(3) Position 12342724 template to right side tunnel and drill three 0.125-inch diameter holes as
shown in figure 23.
(4) Enlarge hole drilled in step (3) to 0.468-inch diameter in right side tunnel as shown in figure 24.
NOTE
Ensure that release button on the buckle is positioned towards the tunnel.
(5) Position 12342385 reinforcement assembly to right side tunnel and secure with 12340058
washer, buckle (part of seatbelt assembly 12480530), and 12340259-3 bolt as shown in figure 24. Tighten
bolt to 35-40 lb-ft (48-54 N
•
m).
(6) Enlarge two holes drilled in step (3) to 0.191-inch diameter through right side tunnel and drill
through reinforcement assembly as shown in figure 24.
(7) Install two NAS9031BNS-6-03 rivets through holes in right side tunnel and reinforcement
assembly as shown in figure 24.
(8) Install existing insulation, retainer, clamp, and two screws to right side tunnel as shown in
figure 22.
h. LEFT UPPER BRACKET ASSEMBLY INSTALLATION.
(1) If vehicle is equipped with a two-man soft-top, loosen turnbuttons and pull top assembly and rear
curtain away from "B" pillar as shown in figure 25.
(2) Remove two screws, washers, and nuts from left side "B" pillar as shown in figure 25.
(3) Remove two rivets and turnbutton from left side "B" pillar as shown in figure 25.
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