M1084/M1086 MATERIAL HANDLING CRANE (MHC) HAND PUMP DOES NOT WORK

TM 9-2320-366-20-3

y1. M1084/M1086 MATERIAL HANDLING CRANE (MHC) HAND PUMP DOES NOT WORK

INITIAL SETUP

Tools and Special Tools

Equipment Conditions

Tool Kit, Genl Mech (Item 46, Appendix C)

Engine shut down (TM 9-2320-366-10-1).

Pan, Drain (Item 24, Appendix C)

Goggles, Industrial (Item 15, Appendix C)

Materials/Parts

Rag, Wiping (Item 50, Appendix D)

START

WARNING

Read WARNING

KNOWN INFO

TEST OPTIONS

on following page.

Hydraulic fluid level OK.

Hand Pump Test

Hydraulic lines

REASON FOR QUESTION

and fittings OK.

Does hand pump

Faulty check valve or hand

All functions operate

build pressure?

pump will prevent manual

with PTO engaged.

operation of crane.

POSSIBLE PROBLEMS

Faulty input check valve.

Faulty hand pump.

YES

Replace hand pump

(para 17-10).

Notify DS Maintenance.

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