TM-9-2320-366-34-1

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME NO. 1 OF 4

AUGUST 2005

CHANGE 2

TM-9-2320-366-34-1 - Page 1229 of 1591

TEST OPTIONS

KNOWN INFO

k1. DUMP BODY DOES NOT RAISE (CONT)

REASON FOR QUESTION

TM 9-2320-366-34-1

Pressure Test or

STE/ICE-R Test #51

NO

YES

WARNING

CAUTION

Clean or replace four-way relief

valve (para 17-3).

2.

Read WARNING and

CAUTION on

following pages.

2-1070.2

Change 2

Hydraulic oil level OK.

PTO OK.

Hydraulic hoses and fittings

OK.

Hydraulic oil filter OK.

Dump body electrical system

OK.

Hydraulic rotary pump OK.

POSSIBLE PROBLEMS

Faulty four-way relief valve.

Faulty pressure reducing valve.

Faulty dump body hoist

cylinder.

If four-way relief valve cannot

be adjusted to 2,825-2,875 PSI

(19,478-19,822 kPa), four way

relief valve is faulty.

Can four-way relief valve be

adjusted to 2,825-2,875 PSI

(19,478-19,822 kPa)?