TM-5-2330-378-14-P

SEMITRAILER, LOWBED: 40 TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 AND M870A1

TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

JUNE 1999

TM-5-2330-378-14-P - Page 99 of 524

TM 5-2330-378-14&P

4-15.

QUICK GUIDE TO TROUBLESHOOTING.

ITEM

SYMPTOM

PARAGRAPH

LIGHTS

NO TRAILER LIGHTS WORK (M870). 4-16a(1)

NO TRAILER LIGHTS WORK (M870Al). 4-16a(2)

ONE OR MORE CLEARANCE

LIGHTS DO NOT WORK

4-16a(3)

(M870).

STOPLIGHTS DO NOT WORK (M870). 4-16a(4)

TURN SIGNALS DO NOT WORK (M870). 4-16a(5)

ONE OR MORE (BUT NOT ALL) LIGHTS DO NOT

LIGHT (M870Al).

4-16a(6)

BRAKES

BRAKES DO NOT APPLY.

4-16b(1)

BRAKES GRAB.

4-16 b(2)

BRAKES DO NOT RELEASE.

4-16b(3)

BRAKES ARE SLOW TO APPLY OR RELEASE.

4-16b(4)

BRAKES DRAG WITH ONE OR MORE BRAKE-

DRUMS RUNNING

HOT.

4-16b(5)

GOOSENECK

GOOSENECK

WILL NOT RAISE OR LOWER.

4-16c(1)

TIRES

TIRES ARE EXCESSIVELY

WORN, CUPPED,

OR SCUFFED.

4-16d(1)

4-11