TSUM - 2-015 Boom Bridge Forward Low Bank (56) Part 2

TM 5-5420-279-23

TSUM - 2-015 Boom Bridge Forward Low Bank (56) Part 2

Maintainer

Operator

Part 2

Tasks

Does

O perate joystick to

Go to Upper W inch

Lower W inch

pay out a sm all

Check. See hydraulic

operate under

Yes

am ount of slack

trouble shooting chapter 2

proportional

rope.

procedure 2-029

control

NOTE CAUTION

CAUTIO N

W hen checking function of

Step to Level

winches by paying out rope allow

Bank m ode.

O NLY SUFFICIENT SLACK to

O perate joystick to

dem onstrate correct functioning.

Carriage Out

DO NOT ALLOW SLACK rope to

becom e caught on other parts of

the equipm ent or becom e

incorrectly positioned on sheave

blocks etc.

Check for m echanical

jam m ing of of carriage,

Does bridge

bridge section or roller

m ove forward

brakes. See -10

chapter 9

Yes

Does

bridge stop when

Fault cleared

slack in rope is

taken up

Yes

Ensure MIMIC panel

indication and LED

illum ination agree with

energisation chart at

Appendix G Annex 1

Page 3

See electrical

MIMIC

Go to

trouble shooting

Yes

panel indications

Part 3

chapter 3 procedure

and lit LEDs

3-011

agree

2-50