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 265 of 524
TM 5-2330-378-14&P
SectionII AXLEMAINTENANCE
Paragraph
Page
Number
ParagraphTitle
Number
5-2
General
.......................................................................................................................................
5.3
5-3
Middle Axle Replacement (M870) .
..............................................................................................
5-3
5-4
Middle Axle Replacement (M870A1) .
..........................................................................................
5-9
5-5
Front and Rear Axle Replacement (M870) .
.................................................................................
5-15
5-6
Front and Rear Axle Replacement (M870A1) .
............................................................................
5-18
5-7
Equalizing Beam Replacement (M870)
.......................................................................................
5-22
5-8
Equalizing Beam Replacement (M870AI)
..................................................................................
5-26
5-9
Trunnion Tube and Bracket Replacement (M870)
......................................................................
5-30
5-10
Trunnion Tube Replacement (M870A1)
......................................................................................
5-32
5-2.
GENERAL
This section provides information for performing
Direct Support level axle repairs on the M870 and M870AI
semitrailers.
5-3.
MIDDLE AXLE REPLACEMENT (M870).
This Task Covers:
a.
Removal
b.
Installation
Initial Setup.,
Tools/Test Equipment:
Equipment Conditions:
• Field maintenance too[ set (item 4, Appendix B)
Both radius rods removed (para 5-26).
• Tool kit, general mechanic's:
automotive
(item 7, Appendix B)
Personnel Required:
Three
• rrestle (6) (item 1, Appendix B)
MaterialslParts:
Self-locking nut (Item 36, Appendix 1)
REMOVAL
3
NOTE
For secure placement of jacks, it
is
recommended
that
this
procedure
be performed on hard
floor surface.
1 .
Loosen, but do not remove, 10 lugnuts (1)
3
on tire and wheel assembly (2).
2.
Using hydraulic
hand jack, raise two rear
2
1
semitrailer corners (3) 32 inches (81 cm).
Place trestles under corners.
5-3
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