TM-5-2330-325-13-P
SEMITRAILER, MEDIUM HEAVY EQUIPMENT TRANSPORTER (MHET), 40 TON, M870A3
TECHNICAL MANUAL; OPERATOR AND FIELD MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
JUNE 2014
TM-5-2330-325-13-P - Page 8 of 648
WARNING SUMMARY - Continued
GENERAL SAFETY WARNINGS DESCRIPTION - Continued
WARNING
•
The semitrailer should ALWAYS have the wheels chocked, with or without a load,
during coupling or uncoupling to towing vehicle and when parked. Failure to
comply may result in death or injury to personnel. Seek medical attention in the
event of an injury.
•
Never stand between gooseneck and semitrailer when the towing vehicle is being
backed up to the semitrailer. Failure to comply may result in death or injury to
personnel. Seek medical attention in the event of an injury.
•
All personnel not involved in coupling/uncoupling operation must stand clear of
towing vehicle and semitrailer to prevent serious injury to personnel. Failure to
comply may result in death or injury to personnel. Seek medical attention in the
event of an injury.
•
Place towing vehicle Power Take-Off (PTO) switch in low idle position for hydraulic
operations to avoid pressurizing the hydraulics system on the semitrailer. Failure to
comply may result in death or injury to personnel. Seek medical attention in the
event of an injury.
•
To prevent injury or death to personnel or damage to equipment, coupling should
be done by two people, the first person in the towing vehicle cab and the second
acting as a ground guide. Operator must know where ground guide is at all times.
Failure to comply may result in death or injury to personnel. Seek medical attention
in the event of an injury.
•
The use of a step stool may be required if operator cannot reach the hydraulic
system control levers. Failure to be at the proper operating height may cause
improper lever and semitrailer movement. Failure to comply may result in death or
injury to personnel. Seek medical attention in the event of an injury.
•
Semitrailer and towing vehicle may roll when brakes are released. To prevent
injury to personnel or damage to equipment, the operator must remain in the cab
of the towing vehicle. Failure to comply may result in death or injury to personnel.
Seek medical attention in the event of an injury.
•
The operator of the towing vehicle should exercise extreme caution when moving
the towing vehicle with the gooseneck attached. Operator must know where
observer/ground guide is at all times. The observer/ground guide should direct the
operator under these circumstances. Failure to comply may result in death or injury
to personnel. Seek medical attention in the event of an injury.
•
Extreme caution should be taken when releasing the fifth wheel lock handles.
Observers must stand clear of the towing vehicle rear wheels before operator
moves vehicle. Failure to comply may result in death or injury to personnel. Seek
medical attention in the event of an injury.
TM 5-2330-325-13&P
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