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

  TM-5-2330-378-14-P - Page 60 of 524

TIVI
5-2330-378-14&P
2-13. OPERATIONIN EXTREMECOLD(continued).
4.
Cover and shield the semitrailer
with canvas covers if available.
Keep ends of covers off the ground to
keep them from freezing to the ground.
2-14.
OPERATION IN EXTREME HEAT AND HIGH HUMIDITY.
a.
Refer to Appendix
J for proper lubrication during extreme heat conditions.
Adequate lubrication is essential.
Extreme heat will cause oil films to evaporate,
resulting in inadequate lubrication.
b.
Keep tires protected from direct sunlight to prevent increases in air pressure and deterioration
of rubber.
C.
Cover inactive semitrailer
with tarpaulins,
if they are available and if there is no other available shelter.
For
several hours each week, shake out and aircanvas
covers orother items subjectto
deterioration
from mildew
or attacks by insects or vermin.
d.
If inactive for long periods in hot, humid weather, semitrailers
are subject to rapid rusting and accumulation
of fungi growth.
Frequently
inspect, clean, and lubricate to prevent excessive
deterioration.
2-16.
OPERATION IN SANDY OR DUSTY AREAS.
CAUTION
Do not tow, pull, or push semitrailer by the rear bumper. This may cause damage to
the equipment.
a.
Inspect, clean, and lubricate semitrailer
frequently when operating in dusty or sandy areas. RefertoAppendix
J for proper lubrication
instructions.
b.
Reduce tire pressure to 35 psi (241.3 kPa) for operation in beach or desert sand.
C.
Be sure to return tire pressure to normal (90 psi [620 kPa] forthe
M870Al
or 85 psi [586 kPa] forthe
M870)
after operation
in sand.
d.
Make sure no dust or sand enters exposed mechanisms
or lubrication fittings during inspections
and repair
operations.
Cover exposed parts with tarpaulins or other suitable cover during disassembly
and assembly.
2-16. OPERATION IN MUD AND SNOW.
CAUTION
Do not tow, pull, or push semitrailer by the rear bumper. This may cause damage to
the equipment.
NOTE
Refer to FM 21-305 for special instructions for operation in snow.
a.
Frequently
clean, inspect, and lubricate semitrailer.
Refer to Appendix J for proper lubrication instructions.
2-30


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