TM 5-5420-209-12
4-36. Guide Sheave, Pin, and Mounting Bracket (Transporter Model RBT).
This task covers: Replace
INITIAL SETUP
Tool
Equipment Condition:
General Mechanic’s Automotive Tool Kit
Bay removed (para. 2-16).
(Item 1, Appendix B)
Materials/Parts
Grease, Automotive and Artillery (Item 2, Appendix E)
a. Replace. (figure 4-40)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
WARNING
When working under boom, support boom by blocking or other suitable means.
Raise boom (1) 5 ft (1.90 m) and block in position.
Remove nut (2), lockwasher (3), and screw (4).
Remove nut (5), washer (6), screw (7), and remove guide sheave (8).
Remove two nuts (9), screws (10), and remove bracket (11).
Install bracket (11) and secure with two screws (9) and nuts (10).
Apply grease to screw (5).
Ensure winch cable (12) is on outside half of guide sheave (8) and secure guide
sheave (8) with screw (5), washer (6), and nut (7).
Install screw (4), lockwasher (3), and nut (2).
Remove blocking and lower and secure boom (1).
4-146
