TM 5-5420-280-23&P
0022 00
BRIDGE LOWER COUPLING CONNECTOR, RECEPTACLE, AND LOCK LEVERS REPLACEMENT (Contd)
INSTALLATION
NOTE
Clean remaining unlike metal compound from mating surfaces
prior to installation.
Apply unlike metal compound to mating surfaces prior to
installation.
1. Position lower coupling connector (7) and coupling support brackets (3) and (14) on lower support
rail (11), and drive ten screws (12) up into mounting holes from under side on lower support rail (11).
2. Install five screws (4) from outer side of bridge quarter (1) through coupling support brackets (3) and
(14) and side panel (2).
3. Install five washers (13) and new locknuts (5) on screws (4). Do not torque coupling support bracket
locknuts (5) until lower coupling locknuts (5) have been tightened.
NOTE
Tighten mounting locknuts alternately and evenly starting with
center inner and outer two screws and then following an X pattern
during torquing. Refer to metric torque limits, WP 0118 00.
4. Install ten washers (6) and new locknuts (5) on screws (12) of lower coupling connector (7) and
coupling support brackets (3) and (14) and tighten all locknuts (5).
NOTE
Apply light coat of grease to pin screw at installation.
5. If lock lever catch (8) was removed, install lock lever catch (8) on bracket (10) with screw (9).
6. Position lower coupling receptacle (20) and coupling support brackets (3) and (14) on lower support
rail (11), and drive ten screws (12) up into mounting holes from under side on lower support rail (11).
7. Install five screws (4) from outer side of bridge quarter (1) through coupling support brackets (3) and
(14) and side panel (2).
8. Install five washers (13) and new locknuts (5) on screws (4). Do not torque coupling support bracket
locknuts (5) until lower coupling locknuts (5) have been tightened.
NOTE
Tighten mounting locknuts alternately and evenly starting with
center inner and outer two screws and then following an X pattern
during torquing. Refer to metric torque limits, WP 0118 00.
9. Install ten washers (6) and new locknuts (5) on screws (12) of lower coupling receptacle (20) and
coupling support brackets (3) and (14) and tighten all locknuts (5).
NOTE
Apply light coat of grease to pin at installation.
10. If lock lever latch (17) was removed, install lock lever latch (17) on bracket (19) with pin (21) and two
snaprings (18).
11. Install spring ball setscrew (16) and nut (15) on bracket (19).
12. Adjust spring ball setscrew (16) to 7/32 in. (5.56 mm) and tighten nut (15).
13. Install bridge half on bridge pallet. Refer to WP 0018 00.
0022 00-4
