TSUM - 2-028 Lower Winch Function Check Part 2

TM 5-5420-279-23

TSUM - 2-028 Lower Winch Function Check Part 2

Part 2

All Maintainer

Tasks

Does

gauge read less than

Go to Part 4

3190 psi (22000

kPa)

Yes

Fit pressure gauge to

TPB1 on Launch Fram e

Pilot Manifold. Operate

joystick to Lower

Manually operate

Does

solenoid valve SV5 on

Does gauge

gauge read less than

Go to

Launch Fram e Pilot

read 580 psi

588 psi (4000

Part 3

Manifold and operate

(4000 kPa)

kPa)

joystick to pay out

winch rope

Yes

Check winch for m echanical

fault or jam m ing, see -10 chapter

coil on SV5 on Launch Fram e

9. If required, replace lower winch

Pilot Manifold. See m aintenance

assem bly. See m aintenance

procedure 5-124

procedure 6-016