BOOM DOES NOT TELESCOPE OR TELESCOPES SLOWLY. (Cont) -726250664

TM 9-2320-364-34-1

13. BOOM DOES NOT TELESCOPE OR TELESCOPES SLOWLY (CONT).

KNOWN INFO

TEST OPTIONS

WARNING

Read WARNING

Unit Troubleshooting

Operation test.

on Page 2-581

tasks completed.

Crane swings.

REASON FOR QUESTION

Are at least 4 gpm

If TELE valve or orifice on four

POSSIBLE PROBLEMS

(15 lpm) measured from

valve bank is faulty, flow will be

TELESCOPE (TELE) valve

restricted.

Four valve bank faulty.

with valve isolated from

Telescope cylinder faulty.

Boom chain or cable faulty.

cylinders?

Go to Step 6 of this

Fault.

YES

2-580