TM-9-2330-335-14-P

SEMITRAILER, TACTICAL, BREAKBULK/CONTAINER TRANSPORTER, 22-1/2 TON, RESET M871R, M871A1R AND M871A2R

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE MANUAL (INCLUDES REPAIR PARTS AND SPECIAL TOOLS LIST)

SEPTEMBER 2008
TM-9-2330-335-14-P

  TM-9-2330-335-14-P - Page 340 of 640

TM 9-2330-335-14&P
0072-2
0072
REMOVAL
00072
1.
Remove eight bolts (Figure 1, Item 1), washers (Figure 1, Item 25), and locknuts (Figure 1, Item 24) from
trunnion center support. Discard locknuts.
2.
Remove four hex bolts (Figure 1, Item 2) and hex nuts (Figure 1, Item 10) from two bottom brackets of trunnion
center support.
WARNING
The trunnion must be firmly supported with jack stands or floor jacks prior to performing steps 3
and 4. Failure to comply could result in injury to personnel and damage to equipment.
3.
Remove four hex nuts (Figure 1, Item 22), washers (Figure 1, Item 21), and wear plate (Figure 1, Item 20) from
two trunnion U-bolts (Figure 1, Item 4) and separate lower trunnion hub (Figure 1, Item 7) from upper trunnion
hub (Figure 1, Item 5).
4.
Repeat step 3 on opposite side of semitrailer.
WARNING
The trunnion tube weighs 100 lb. (45.5 kg) and requires two persons to lift. Failure to comply could
result in injury to personnel.
5.
Remove two washers (Figure 1, Item 23) and bushings (Figure 1, Item 6) from both sides of trunnion tube
(Figure 1, Item 3) and remove trunnion tube from suspension.
WARNING
The axles must be firmly supported with jack stands or floor jacks prior to performing steps 6
thru 10. Failure to comply may result in injury to personnel.
6.
Remove eight hex nuts (Figure 1, Item 10) and 16 washers (Figure 1, Item 9) from four U-bolts (Figure 1, Item 19) and
remove U-bolts from two spring cap ends (Figure 1, Item 8).
7.
Repeat step 6 on opposite side of semitrailer.
WARNING
Axles weigh 200 lb (40.7 kg) and require four persons to lift. Failure to comply could result in
injury to personnel.
8.
Remove eight bolts (Figure 1, Item 11), washers (Figure 1, Item 17), and locknuts (Figure 1, Item 18) from two spring cap
ends (Figure 1, Item 8). Discard locknuts.
9.
Remove two spring seats (Figure 1, Item 16), adjustment plates (Figure 1, Item 15), and four rubber pads
(Figure 1, Items 13 and 14) from spring (Figure 1, Item 12).
10. Repeat steps 8 and 9 on opposite side of semitrailer.


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