TM 9-2330-267-14&P
4-35. HYDRAULIC LINES, HOSES, AND FlTTINGS REPLACEMENT.
This Task Covers:
a.
Removal
c.
Backing Plate Line Removal
b. Installation
d. Backing Plate Line Installation
Initial Setup:
Materials/Parts:
Tools/Test Equipment:
l Rags (Item 18, Appendix E)
l General mechanic’s tool kit
0 Three Iockwashers
l Drain pan
a.
REMOVAL
1.
2.
3.
4.
5.
6.
7.
NOTE
The M149 does not use Iockwashers or nuts on loop clamps.
Remove three screws (14), loop clamps (15), Iockwashers (2), and nuts (1) from frame assembly. Discard
Iockwashers.
NOTE
Use a suitable container or drain pan to catch brake fluid. Clean up all spills.
Disconnect each end of tube assemblies (19 and 21) and remove union (20).
Remove master cylinder adapter (18) and washer (17) from master cylinder (16).
NOTE
M149A1 and M149A2 trailers have a washer which Is located between nut and hose
assembly. It is not shown here.
Remove nut (3) from hose assembly (4), and remove hose assembly from multiple connector (11).
Disconnect tube assemblies (6 and 12) at each end and remove from multiple connector (11) and five clips (13).
Remove bolts (7), washers (8), multiple connectors (9), and spacer rings (10) from each wheel.
Remove nut (5) and multiple connector (11).
b.
INSTALLATION
1.
2.
3.
4.
5.
4-62
Install multiple connector (11) and nut (5).
Install spacer rings (10), multiple connectors (9), washers (8), and bolts (7) on each wheel.
Install tube assemblies (6 and 12) in five clips (13). Connect tube assemblies at each end and to multiple
connector (11).
Install hose assembly (4) on multiple connector (11) and install nut (3) on hose assembly.
NOTE
M149 loop clamps are installed with self-tapping screws and do not use Iockwashers
and nuts.
Position tube assembly (19) on frame assembly and install three screws (14), loop clamps (15), new
Iockwashers (2), and nuts (1).
