TM 5-3805-274-13&P
0035
REMOVAL
1. Start engine, engage PTO, and raise dump body bed. Raise safety strut to locked position, lower dump
body bed, and shut down engine (TM 9-2320-273-10).
NOTE
Have a suitable container that will hold up to 27 gal. (102 L) ready
to catch oil.
2.
Disconnect hydraulic hoses (Figure 1, Items 1, 2, and 4) from fittings on hydraulic control valve
(Figure 1, Item 5).
3.
Remove two cotter pins (Figure 2, Item 6), clevis pins (Figure 2, Items 4, 8, and 9), and control link
(Figure 2, Item 7) from two links (Figure 2, Item 10) and hydraulic control valve (Figure 2, Item 1).
4.
Remove three nuts (Figure 2, Item 2), screws (Figure 2, Item 3), and hydraulic control valve
(Figure 2, Item 1) from mounting bracket (Figure 2, Item 5).
5.
Disconnect hydraulic hose (Figure 1, Item 3) from fitting on hydraulic control valve (Figure 1, Item 5).
6.
Remove hydraulic control valve (Figure 1, Item 5) from vehicle.
7.
If replacing hydraulic control valve (Figure 1, Item 5), remove four fittings (Figure 1, Item 6) and
O-rings (Figure 1, Item 7). Discard O-rings (Figure 1, Item 7).
END OF TASK
INSTALLATION
1. If replacing hydraulic control valve (Figure 1, Item 5), install four new O-rings (Figure 1, Item 7) and
fittings (Figure 1, Item 6) on hydraulic control valve (Figure 1, Item 5).
2. Position hydraulic control valve (Figure 1, Item 5) on vehicle.
3. Connect hydraulic hose (Figure 1, Item 3) to fitting on hydraulic control valve (Figure 1, Item 5).
4. Install hydraulic control valve (Figure 2, Item 1) on mounting bracket (Figure 2, Item 5) with three
screws (Figure 2, Item 3) and nuts (Figure 2, Item 2).
5. Install control link (Figure 2, Item 7) and two links (Figure 2, Item 10) on hydraulic control valve
(Figure 2, Item 1) with clevis pins (Figure 2, Items 4, 8, and 9) and two new cotter pins
(Figure 2, Item 6).
6. Connect hydraulic hoses (Figure 1, Items 1, 2, and 4) to fittings on hydraulic control valve
(Figure 1, Item 5).
7. Start engine and engage PTO. Check system for oil leaks, raise dump body bed, lower safety strut to
stowed position, lower dump body bed, and shut down engine (TM 9-2320-273-10).
0035-2