TM 5-3805-281-24-2
Hydraulic Impact Breaker
33
cylinder to another. The rate of flow of the
ASSEMBLE ACCUMULATOR
59
gas itself may be sufficient to cause an
explosion.
CAUTION: Compressed gases, by their
nature, are hazardous. They are capable of
creating environments that are oxygen
CAUTION: Check valves are an important
deficient, flammable or explosive. Death has
safety feature, but don't rely on them 100%
occurred during a routine repair on a carrier
to prevent a "back-flow" condition. Always
when a nitrogen-charged canister on the
open the cylinder slowly. Purge the regulator
carrier exploded as it was being
and hoses by allowing a small amount of
disassembled.
gas to pass through the system.
CAUTION: Nitrogen, which is present in our
CAUTION: Nitrogen may burn, but will not
atmosphere, can still displace the oxygen in
ignite readily. The cylinder may explode in
a room or enclosure and cause suffocation.
the heat of a fire.
CAUTION: Never deliberately breathe, or
CAUTION: Vapors may cause dizziness or
allow others to breathe, any compressed gas
suffocation. Contact with liquid may cause
of any type. It is possible to deplete the
frostbite. Fire may produce irritating or
oxygen in the bloodstream and cause rapid
poisonous gases.
suffocation and DEATH.
1. Insert new diaphragm (G) and assemble upper and
lower halves of accumulator.
CAUTION: Always wear proper clothing for
the job. Protective clothing, safety shoes
2. Install sixteen shell fixing screws (F) with an Allen
and leather gloves should be worn, in
wrench, and Torque per Specification.
addition to the required helmet or other
protective gear. Any time compressed gases
3. Check condition of O-ring (E) and insert on lower
are handled, safety glasses should be worn.
side in appropriate seat. Place accumulator on
head.
CAUTION: Keep a fire extinguisher close at
hand. Situate flammable gas cylinders in a
4. Replace sealing ring (D) and check sealing zone.
location so that if a fire does occur, it may
Insert inflating screw (C) with Teflon tape and
be easily extinguished. In some cases, it
"finger tighten".
may be better to evacuate the area and let
the cylinder burn, especially if escaping gas
5. Assemble accumulator onto breaker.
could collect and explode.
6. Insert eight accumulator screws (B) with an Allen
wrench. (Once screws have been started, they
CAUTION: Never attempt to adapt fittings
maybe installed with an air wrench.)
from one device or cylinder to another.
Fittings or hoses may not be compatible
7. Insert four rubber side bolts (A).
with the gas products and may fail violently.
Gases should never be transferred from one
Continued on next page
CED,OUOE039,4
1920MAR992/7
20-55
