TM-5-2330-378-14-P
SEMITRAILER, LOWBED: 40 TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 AND M870A1
TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
JUNE 1999
TM-5-2330-378-14-P - Page 210 of 524
TM 5-2330-378-14&P
4-56. MULTIFUNCTION VALVE REPLACEMENT AND OPERATING TEST (M870A1).
This Task Covers:
a.
Removal
b.
Installation
c.
Operating Test
Initial Setup:
Tools/Test Equipment:
- Tape, antiseizing (item 21, Appendix F)
- Tool kit, general mechanic's:
automotive
- Lockwasher
(item 10, Appendix 1)
(item 7, Appendix B).
- Self-locking
nut (item 29, Appendix 1)
Materials/Parts:
Equipment Conditions:
- Detergent (item 4, Appendix
F)
- Planks removed from stowed position (pare 2-8).
NOTE
The multifunction
valve is sometimes
called the "air pressure relay valve" or "spring
brake valve."
a.
REMOVAL
1 .
Open drain cocks (para 3-8).
2.
Tag and disconnect
10 air hoses (1) from multifunction valve (2).
2
1
0 0
3
2
5
4
6
4-122
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