Install three fittings (2) on quick-release valve (1).
1.
Install two fittings (2) and fitting (6) on doublecheck valve No. 3 (16).
2.
Install two fittings (2) and fitting (5) on doublecheck valve No. 4 (12).
3.
Install quick-release valve (1) on access box cover (16) with two screws (17), washers (14), and new
4.
locknuts (13).
Install doublecheck valve No. 3 (16) on access box cover (16) with screw (17), washer (14), and new
5.
locknut (13).
Install doublecheck valve No. 4 (12) on access box cover (16) with screw (17), washer (14), and new
6.
locknut (13).
Connect air lines (4), (6), and (7) to quick-release valve (1).
7.
Connect air lines (3), (7), and (8) to doublecheck valve No. 3 (16).
8.
Connect air lines (8), (9), and (10) to doublecheck valve No. 4 (12).
9.
Install access box cover (16) on step box access (11) with eight new lockwashers (18) and screws (19).
10.
Install new tiedown strap (21).
11.
Install clamp (24) on front step brace (20) with screw (22) and new locknut (23).
12.
3-612
