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Figure 2-6. Lowering operation
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TM-10-3930-631-12 Truck Lift Fork EMD Solid Rubber Tired Wheels 4 000 Lbs Capacity 144 and 180 In Lift Army Model MHE 227 Manual
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CHAPTER 3 OPERATOR/ CREW MAINTENANCE INSTRUCTIONS
TM 10-3930-631-12
b.  Move tilt control lever forward to aline forks
d. Refer to paragraph 2-7 and move truck away
horizontally with stack or ground.
from load and return for further loading operations or
c. Refer to figure 2-6 and lower load into desired
parking place.  Parking brake is set when weight is
position.
removed from operator's seat.
Section II. OPERATION UNDER UNUSUAL CONDITIONS
b. Electrical System.
2-10. General
(1) Check specific gravity of battery more
Although the truck is designed primarily for warehouse
often.
operations, the truck could be operated under unusual
(2) Do not add water to the battery unless
conditions as described in the following paragraphs.
the truck is going to be operated immediately or charging
When operating under these conditions, extra care must
is to be performed.
be provided to maintain the truck in good operating
(3)  Keep battery charged as much as
condition.  To operate under these conditions certain
possible to insure proper operation and prevent freezing
additional services must be performed and certain
at low temperatures.
regular maintenance procedures may be required more
2-13. Operation in Sandy or Dusty Areas
often.
a. Remove all sand from axles, wheels, steering
2-11. Operation in Extreme Heat
spindles and brake assemblies periodically. Check all
a.  Check battery electrolyte level more often.
parts often to prevent undue wear caused by sand.
Maintain level 5/8-inch above the plates.
b. Protect lift and tilt mechanism from entrance of
b. Check specific gravity of battery more often.
sand.  Cover exposed parts of lift, side shift and tilt
c. Clean battery cables frequently.
cylinder rods, lift chains and reservoir during sand
d. If thermal relays cut out electric motors due to
storms.
overheating, allow truck to cool. Relays will automatically
reset and allow operation to resume.
2-14. Operation in Damp Tropical Areas
a.  Check all paint for chipping and scratching.
2-12. Operation in Extreme Cold
Corrosive action from dampness will take place almost
a. Protection. The truck should be stored in a
immediately if bare metal is exposed.
heated building or shelter if possible. If a shelter is not
b. Touch up all spots where paint is chipped or
available, park the truck with the front end facing into the
scratched.
wind and cover with a tarpaulin.  Fasten tarpaulin
securely to prevent it from blowing away.
2-9

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