TSUM - 2-004 Extend LH Stabilizer Leg (21) Part 1

TM 5-5420-279-23

TSUM - 2-004 Extend LH Stabilizer Leg (21) Part 1

Left Hand Stabilizer leg

does not extend

stabilizer leg pin

Yes

Rem ove pin

inserted in transit

hole

Operator

Tasks

Maintainer

Tasks

Fit a Pressure Gauge to TPB1

on Stabilizer m anifold

Manually operate A-Fram e

Stabilizer leg control valve,

located on the A-fram e Stabilizer

Leg Manifold , to extend leg and

observe pressure gauge

Greater than

pressure gauge

Zero

290 psi (2000 kPa)

reading

with no leg m ovem ent

Less than 290 psi (2000 kPa)

Stop m anual

operation of the

A-Fram e Stabilizer

leg control valve

Go To

Part 2

Refer to

Replace A-Fram e

operator's m anual Chap. 9

Stabilizer leg control valve

Para 9.6 Step 21 of the -10

See m aintenance procedure

Mechanical jam in stabilizer

5-127

leg m echanism