LINE ASSEM. (No. 7) 6L3907 - Caterpillar

Illustration 2 g03795320
A view of the existing guard rail assembly
Remove the existing locking rod, spring, washer, and cotter-pin. Refer to Illustration 2.
Illustration 3 g03795350
A close up view of the hand rail plate
Assemble plate (1) to the hand rail using two clips (2), two clips (3), two grommets (4), two bolts (5), four hard washers (6), and two nuts (7) .Note: Do not tighten hardware at this time.
Illustration 4 g03795425
A close up view of the handrail bracket
Position bracket (8) and install pin (9) through and secure to plate (1). Secure pin (9) to bracket (8) using lanyard (10), cable splice sleeve (11), bolt (12), washer (13), and nut (14) .
Illustration 5 g03795749
A view indicating the proper alignment
Adjust the position of plate (1) and bracket (8) until pin (9) goes completely through all three holes. Tack weld bracket (8) in place.
Illustration 6 g03795771
Cross section view of the handrail and bracket (8)
Weld bracket (8) to the hand rail using a 3 mm (0.12 inch) flare bevel weld on the top on both sides.
Tighten all mounting hardware.
Illustration 7 g03797049
(A) 5 mm (0.2 inch) (B) Radius of 22 mm (0.866 inch) (C) 20 mm (0.787 inch) (D) Radius of 9 mm (0.35433 inch) (E) 50 mm (1.97 inch) (F) 60.7 mm (2.38976 inch) (G) Radius of 16.7 mm (0.657 inch) (H) 44 mm (1.73 inch)
Fabricate a plate (J) with the dimensions shown in Illustration
Install conical bumper (15) to plate (J) using one washer (16) and one nut (17) .
Illustration 8 g03797596
View of the kick plate
Put the handrail assembly in the stowed position and pin into place. Locate plate (J) with conical bumper (15) and bracket (18) such that conical bumper (15) is touching bracket assembly (18). Refer to Illustration 8. Mark the locations of plate (J) and bracket (18) .
Illustration 9 g03797605
View of the handrail assembly
Weld plate (J) in the marked position using a 3 mm (0.12 inch) flare bevel weld on both sides.
Illustration 10 g03797771
View of the kick plate
Drill two 13.5 mm (0.532 inch) M10 holes in the marked position for bracket assembly (18) and fasten the bracket to the kick plate using two bolts (19) and two hard washers (20) .The new rear access locking bracket system is adaptable to FDB1-1838 and effective with FDB1839-UP.