TM 9-2330-390-14&P
4-80. FRONT DOLLY PIVOTING TRAY REPLACEMENT.
This Task Covers:
a.
Removal
C.
Installation
b.
Cleaning and Inspection
Initial Setup:
Equipment Conditions:
• Front dolly air lines removed (see paragraph 4-72).
• Pivoting tray gladhands removed (see para-
graph 4-71).
• Airbrake valve removed (see paragraph 4-65).
• Front dolly booster relay valve removed (see para-
graph 4-63).
• Front dolly pressure protection valve removed (see
paragraph 4-64).
• Front dolly relay emergency valve and air reservoir
removed (see paragraph 4-62).
• Battery case removed (see paragraph 4-44).
• Hydraulic lines removed (see paragraph 4-109).
• Hydraulic reservoir and redundant power fittings
removed (see paragraph 4-111).
• Engine removed (see paragraph 4-115).
Materials/Parts:
• Sealing compound (item 11, Appendix F)
• Dry cleaning solvent (Item 27, Appendix F)
• Eight locknuts
Tools/Test Equipment:
• General mechanic’s toot kit (Item 30, Appendix G)
• Torque wrench, 0-175 lb.-ft. (Item 42, Appendix G)
Personnel Required: Two
General Safety Instructions:
• Dry cleaning solvent is flammable and must not be
used near an open flame. Use only in a well-venti-
lated area.
1.
Remove two locknuts (9) and flatwashers (8) from bearing rods (6). Discard locknuts.
2.
Remove pivoting tray (1) from two suspension link mounting brackets (7).
3.
Remove two locknuts (3) flatwashers (4), and bearing rods (6) from brackets (2). Discard locknuts.
4.
Remove two jamnuts (5) from bearing rods (6).
5.
Remove four locknuts (10), flatwashers (11), shoulder screws (13), Flatwashers (12) and two brackets (2) from
pivoting tray (1). Discard locknuts.
4-212
