TM 5-3805-274-13&P
0029
WARNING
Subframe weighs 1500 lb (680 kg). Use caution when handling heavy
parts. Provide adequate support and use assistance during procedure.
Do not attempt to lift tailgate. Failure to comply may result in death or
injury to personnel. Seek medical attention in the event of an injury.
All nonessential personnel must stand clear during lifting operations.
Use taglines during removal and installation. Failure to comply may
result in death or injury to personnel. Seek medical attention in the
event of an injury.
REMOVAL
1. Remove 16 bolts (Figure 1, Item 7) and nuts (Figure 1, Item 4) from subframe brackets
(Figure 1, Item 6) and subframe (Figure 1, Item 16).
2. Loosen 16 bolts (Figure 1, Item 8) and nuts (Figure 1, Item 4) on subframe brackets (Figure 1, Item 6),
but do not remove subframe brackets (Figure 1, Item 6) from vehicle frame rails (Figure 1, Item 14).
3. Remove hydraulic hoses from clamps at transfer case if not removed (TM 9-2320-273-20).
4. Check that control valve cable at crossmember guide bracket and control valve is disconnected
5. Allow control valve cable to hang loose.
6. Remove two cotter pins (Figure 1, Item 10) and washers (Figure 1, Item 11) from pins
(Figure 1, Item 12). Discard cotter pins (Figure 1, Item 10).
7. Drive pin (Figure 1, Item 12) out of subframe (Figure 1, Item 16) and remove safety strut
(Figure 1, Item 9).
8. Remove two lube fittings (Figure 1, Item 13) from safety strut (Figure 1, Item 9) if damaged.
9. Attach four clevises (Figure 1, Item 5), two small front chains (Figure 1, Item 15), 10-ft lifting slings
(Figure 1, Item 1), and 12-ft lifting slings (Figure 1, Item 3) to subframe (Figure 1, Item 16), lifting
device (Figure 1, Item 2) and lift subframe (Figure 1, Item 16) off vehicle frame rail (Figure 1, Item 14).
Place subframe (Figure 1, Item 16) on dunnage.
END OF TASK
INSTALLATION
1. Attach four clevises (Figure 1, Item 5), two small front chains (Figure 1, Item 15), 10-ft lifting slings
(Figure 1, Items 1), 12-ft lifting slings (Figure 1, Items 3), and lifting device (Figure 1, Item 2) to
subframe (Figure 1, Item 16). Lift subframe (Figure 1, Item 16) off dunnage and place subframe
(Figure 1, Item 16) on vehicle frame rails (Figure 1, Item 14).
2. If removed, install two lube fittings (Figure 1, Item 13) on safety strut (Figure 1, Item 9).
3. Drive pin (Figure 1, Item 12) through subframe (Figure 1, Item 16) and safety strut (Figure 1, Item 9).
4. Install washers (Figure 1, Item 11) on pins (Figure 1, Item 12) with two new cotter pins
(Figure 1, Item 10).
5. Position control valve cable on subframe (Figure 1, Item 16) (WP 0035).
6. Check that control valve cable is at crossmember guide bracket and control valve lever (WP 0039).
7. Install hydraulic hoses on clamps at transfer case (TM 9-2320-273-20).
8. Install eight subframe brackets (Figure 1, Item 6) on subframe (Figure 1, Item 16) with 16 bolts
(Figure 1, Item 8) and nuts (Figure 1, Item 4). Tighten 5/8-in. bolts to 150 lb-ft (203.4 Nm) and -in.
bolts to 250 lb-ft (339 Nm).
9. Install 16 bolts (Figure 1, Item 7) and nuts (Figure 1, Item 4) on subframe brackets (Figure 1, Item 6)
and subframe (Figure 1, Item 16). Tighten bolts (Figure 1, Item 7) and nuts (Figure 1, Item 4).
10. Connect control cable (WP 0039).
11. Install tarpaulin storage tube (WP 0031).
12. Install hydraulic pump hoses (WP 0033).
13. Install dump body bed (WP 0028).
0029-2
