M1089 MATERIAL HANDLING CRANE (MHC) HAND PUMP DOES NOT WORK

TM 9-2320-366-20-3

w10. M1089 MATERIAL HANDLING CRANE (MHC) HAND PUMP DOES NOT WORK

INITIAL SETUP

Equipment Conditions

Tools and Special Tools

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

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

Pan, Drain (Item 24, Appendix C)

Goggles, Industrial (Item 15, Appendix C)

Materials/Parts

Rag, Wiping (Item 50, Appendix D)

START

WARNING

KNOWN INFO

TEST OPTIONS

Read WARNING

Hydraulic oil level OK.

Hand Pump Test

on following page.

REASON FOR QUESTION

Hydraulic lines

and fittings OK.

Faulty check valve or hand

Does hand pump

All functions operate

pump will prevent manual

build pressure?

with PTO engaged.

operation of crane.

POSSIBLE PROBLEMS

Faulty input check valve.

Faulty hand pump.

YES

Notify DS Maintenance.

2-2266