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 TM9-2320-270-20-3
WINCH HYDRAULIC VALVES - CONTINUED
ACTION
REMARKS
ITEM
LOCATION
ADJUSTMENT - CONTINUED
a.
Using 2-inch wrench, unscrew and take
Inlet hose (2)
3. Elbow (1)
off.
b.
Install pressure gage between elbow
(1) and hose (2).
Using 1 1/16-inch wrench, unscrew and
Acorn nut (4)
4. Valve (3)
take off.
Using 1 1/16-inch wrench, unscrew part
Jamnut (5)
5.
way.
Using screwdriver, back off screw.
Pilot
adjustment
a.
6.
Screw in until screw just seats.
screw (6)
b.
Start engine (TM 9-2320-270-10) and
c.
set at 1500 RPM.
Pull until pressure reading is noted on
Control valve
7.
gage.
arm (7)
Using screwdriver, adjust until pressure
Pilot adjustment
8.
reads 2050 50 PSI at 39 GPM.
screw (6)
a.
Using screwdriver, and 11/16-inch
Jamnut (5)
9. Pilot adjustment
wrench, tighten.
screw (6)
Check gage and make sure reading is
b.
correct.
c.
Shut down engine
(TM 9-2320-270-10).
Screw on and tighten using 11/16-inch
Acorn nut (4)
10.
wrench.
a. Remove pressure gage.
Inlet hose (2)
11. Elbow (1)
b. Screw on and tighten using 2-inch
wrench.
Repeat steps 3 thru 11 for other
valve.
Put in place.
Front cover
12. Winch control
plate (9)
panel (8)
Screw in and tighten using 1/2-inch
12 screws (10),
13. Front cover
wrench.
washers (11), and
plate (9)
new Iockwashers (12)
4-1156
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