TM-9-2320-366-10-2

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

TECHNICAL MANUAL; OPERATOR’S INSTRUCTIONS; VOLUME NO. 2 OF 2

AUGUST 2005
CHANGE 2

  TM-9-2320-366-10-2 - Page 596 of 930

TM 9-2320-366-10-2
Table 3-2. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
q. FIFTH WHEEL (CONT)
q1.
FIFTH WHEEL DOES NOT LOCK WHEN COUPLING TRAILER TO TRACTOR (CONT).
(d)
Check that jaws stay open with primary lock release handle in locked position.
(e)
If fifth wheel still does not lock when coupling trailer to tractor, notify Unit Maintenance.
q2.
EXCESSIVE MOVEMENT OF TRAILER KING PIN IN FIFTH WHEEL.
Notify Unit Maintenance.
q3.
FIFTH WHEEL DOES NOT UNLOCK WHEN DISCONNECTING TRAILER FROM TRACTOR.
Check that coupler jaws lock open.
(a)
Pull out secondary lock release handle and latch in position.
(b)
Pull out primary lock release two times.
(c)
Put primary lock release handle in locked position.
(d)
Check that jaws stay open with primary lock release handle in locked position.
(e)
If fifth wheel still does not lock when coupling trailer to tractor, notify Unit Maintenance.
q4.
FIFTH WHEEL SLIDING MECHANISM DOES NOT OPERATE.
Check that coupler jaws lock open.
(a)
Pull out secondary lock release handle and latch in position.
(b)
Pull out primary lock release two times.
(c)
Put primary lock release handle in locked position.
(d)
Check that jaws stay open with primary lock release handle in locked position.
(e)
If fifth wheel still does not lock when coupling trailer to tractor, notify Unit Maintenance.
r. SUSPENSION SYSTEM
r1.
WANDERS, PULLS TO ONE SIDE, OR SHIMMIES.
Step 1. Perform Steering System Troubleshooting (p2. Wanders, Pulls to One Side, or Shimmies).
Step 2. Perform Brake System Troubleshooting (i5. Vehicle Brakes Unevenly, Brakes Pull to One Side
or Grab).
Step 3. If vehicle continues to wander, pull to one side, or shimmy, notify Unit Maintenance.
r2.
LEANS TO ONE SIDE, OR REAR OF VEHICLE SAGS.
Notify Unit Maintenance.
3-84.10
Change 1


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