TM 9-2330-359-14&P
5-7. KINGPIN REPLACEMENT (M872A1 AND M872A3).
This Task Covers:
a.
Removal
b.
Installation
Initial Setup:
Equipment Conditions:
Tools/Test Equipment:
l Wheels chocked.
l General mechanics tool kit
References:
l Fieid automotive shop set
l TM 9-237
l Welders tool kit
a .
REMOVAL
1.
2.
3.
4.
5.
Measure 221/4 in. (56.5 cm) from rear of bulkhead
and 181/2 in. (47 cm) from either seam of center
plate. Mark centerpoint.
NOTE
Measurement In steps 2 and 3 should be in line
with spot welds.
Measure 36 in. (91.4 cm) from rear of bulkhead on
center plate. Mark a line across center plate.
Measure 123/4 in. (32.4 cm) from rear of bulkhead.
Mark a line across center plate.
Air-arc welds and remove center plate.
CAUTION
Service and emergency air lines and wires from
nose box run under center plate. Pull wires and
lines to one side to prevent damage.
Air-arc welds and remove kingpin.
b .
INSTALLATION
1.
Weld kingpin in place and position service and emergency air lines and wires to middle of semitrailer.
2.
Weld center plate into place.
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