TB-9-3950-253-13-P

PALLETIZED LOAD SYSTEM TRUCK, M1075 and M1075A1 (PLS) AND HEAVY EXPANDED MOBILITY TACTICAL TRUCK, M1120, M1120A2, AND M1120A4 (HEMTT), ENHANCED CONTAINER HANDLING UNIT (E-CHU)

TECHNICAL BULLETIN; OPERATOR AND FIELD MAINTENANCE, INSTALLATION INSTRUCTIONS, AND REPAIR PARTS AND SPECIAL TOOLS LIST

JULY 2009
TB-9-3950-253-13-P

  TB-9-3950-253-13-P - Page 105 of 704

TB 9-3950-253-13&P
0009-1
0009
OPERATOR MAINTENANCE
-
OPERATION UNDER UNUSUAL CONDITIONS
Raise a Partially Submerged Container, Pick Up a Tipped Over Lift Frame
INTRODUCTION
0009
1. This work package contains instructions on how to operate the Enhanced Cargo Handling Unit (E-CHU) under
unusual conditions.
2. Before operating E-CHU under unusual conditions, read and become familiar with the warnings located in the
Warning Summary
at the front of this bulletin,
Equipment Description and Data
(WP 0002),
Theory of
Operation
(WP 0003),
Description and Use of Operator Controls
(WP 0004),
Operation Under Usual
Conditions
(WP 0005),
Slider Bed Configuration
(WP 0006),
Unloading and Loading Empty Lift Frame
(WP
0007), and
Loading and Unloading Container
(WP 0008).
RAISE A PARTIALLY SUBMERGED CONTAINER
0009
Starting Conditions
0009
1. Lifting mechanism is in deployed position with lift frame suspended on hook and bail bar lock installed on hook
(WP 0007).
2. Slider bed assemblies are in container configuration (WP 0006).
3. MODE switch is set to AUTO (PLS: TM 9-2320-364-14&P, HEMTT: TM 9-2320-326-14&P).
4. Stowage toggle switch set to OFF position (WP 0004).
5. NO TRANS light is on (PLS: TM 9-2320-364-14&P, HEMTT: TM 9-2320-326-14&P).
INITIAL SETUP
References
0
WP 0002
0
WP 0003
0
WP 0005
0
WP 0007
0
WP 0008
0
Equipment Conditions
0
Lifting mechanism in deployed position (PLS:
TM 9-2320-364-14&P, HEMTT: TM 9-2320-
326-14&P)
0
Equipment Conditions - Continued
0
Lift frame retrieved and unloaded (WP 0007)
0
Slider bed assemblies in container configura-
tion (WP 0006)
0
MODE switch set to MAN M.F. position (PLS:
TM 9-2320-364-14&P, HEMTT: TM 9-2320-
326-14&P)
0
Stowage toggle switch set to OFF position
(WP 0004)
0
NO TRANS light on (PLS: TM 9-2320-364-
14&P, HEMTT: TM 9-2320-326-14&P)
0
12


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