TM 55-2210-223-12
TO 45A2-2-14-41
4-12. UPRIGHT, CUTTER LEVER, AND STEP
This task covers:
a.
Removal
c.
Cleaning
e.
Repair
g.
Installation
b.
Disassembly
d.
Inspection
f.
Assembly
INITIAL SETUP:
Tools
Material/Parts
Tool kit SC4940-97-CL-E16
Drycleaning solvent (Item 20, Appendix E)
Torch outfit 3433-00-026-4718
REMOVAL AND DISASSEMBLY
NOTE
All handrails, uprights, and steps are removed in a
similar manner.
1.
Remove six nuts (1), lockwashers (2), and bolts (3).
2.
Remove lower step (4). If required, use a cutting torch and remove two upper steps.
3.
Use cutting torch and remove weld on two pins (5). Remove two nuts (6), lockwashers (7), and bolts (8).
Remove handrail (9).
WARNING
Components of this assembly are heavy and
may be awkward to handle. Use correct
lifting procedures, indicated lifting devices,
and/or assistance from other personnel to
avoid injury.
4.
Remove two cotter pins (10), pins (11), and devises (12). Remove pin (13).
5.
Remove two cotter pins (14), pins (15), and clevises (16). Remove four nuts (17), two clevises (18), and chains
(19).
6.
Remove two nuts (20), lockwashers (21), and bolts (22). Remove upright (23) and catwalk (24).
7.
Remove cotter pin (25), pin (26), and clevis (27).
8.
Remove eight capscrews (28), lockwashers (29), four clamp blocks (30), and cutter lever (31).
4-22
