4-26. Walkways.
This task covers:
a. Replace
b. Repair
INITIAL SETUP
Tool
Equipment Conditions
General Mechanics Automotive Tool Kit
Bay removed (para. 2-16).
(Item 1, Appendix B)
Wheel splash guards removed (para. 3-8).
Reflectors removed (para. 4-22).
Materials/Parts
Solvent, Dry Cleaning (Item 18, Appendix E)
Rag, Wiping (Item 12, Appendix E)
Grease, Automotive and Artillery (Item 2, Appendix E)
a. Replace. (figure 4-13)
(1) Remove wing nut (1), washer (2), and remove hook or bolt (3).
NOTE
Step (2) is for left hand walkway only.
(2) Remove boat hook (4).
When working under boom, support boom by blocking or other suitable means.
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(lo)
(11)
Raise boom (5) approximately 10 ft (3.83 m) and block in place.
Remove 12 screws (6), washers (7), and nuts (8) securing walkway (9).
Remove four screws (10), washers (11), and nuts (12) securing clamp (13) and remove walkway (9).
Apply grease to clamp (13) and walkway (9) at boom pivot point.
Install walkway (9) and secure to boom (5) with clamp (13), four screws (10), washers (11), and nuts (12).
Secure walkway with 12 screws (6), washers (7), and nuts (8).
Remove blocking and lower and secure boom (5).
Install hook or bolt (3) and secure with washer (2) and wing nut (1).
Install boat hook (4).
TM 5-5420-209-12
4-60