Use chalk and match mark the drum,
bearing plate, swivel plate and closure ring
to facilitate and assure same alignment
when assembled. This action will prevent
twisting the wire ropes.
(1) Remove 10 capscrews (4) from each bearing
(2) Remove bearing plates (6) from swivel plates (7).
(3) Remove 21 capscrews (4) from each closure
(4) Remove closure rings.
(5) Unscrew and remove the check valve assembly
adapter from front swivel plate.
Use a sparkproof sledge to remove the
(6) Attach a suitable lifting device (fig. 5-5) to the
swivel plate, raise the drum and remove the drum from
the plate by pounding drum from swivel plate.
c. Repeat steps outlined in b above to remove second
d. Refer to figure 5-6 and insert lifting bar into one end
of drum. Use a suitable lifting device and raise drum over
drain tank (fig. 5-4) and allow drum to complete training.
e. Aerate drum by tenting over a 24-hour period.
5-12. Washing Drum
a. Insert lifting bar (fig. 5-7) in end
holes and lift drum body.
Water temperature must not exceed 150° F
(66° C). Use small pump and flush out
interior with hose and nozzle assembly.
Solution in tank can be pumped into drum.
Suspend drum over wash tank and thoroughly
wash interior of drum with a solution of detergent and
hot water for 5 minutes (fig. 5-8). Use 5 quarts (4.7 liters)
of detergent to 200 gallons (757 liters) of water. (Reduce
quantity to 1 quart (0.946 liters) of detergent to 40 gallons
(151 liters) of water for the 55 gallon (208 liters) water
c. Use a long-handled, stiff-bristled brush to scrub
exterior of drum.
d. Inspect exterior of drum thoroughly; drum must be
free of all contaminants.
5-13. Drying Drum After Washing.
Hot air temperature must not exceed 150°
F (65° C).
Refer to figure 5-9 and, using a suitable lifting
device, suspend the drum over the hot air stand pipe for
approximately 5 minutes. If hot air blowing equipment
is not available, hang to dry in a room at normal
Water in depressions can be located by
feeling the exterior of the drum. Where
water has settled the drum exterior will be
slightly cooler to the touch.
b. Insert 1/2 inch (1.3 cm) L-shaped copper tubing in
depressions to siphon out water. The internal air
pressure will cause the water to flow through the tube.
c. Inspect interior of drum. Make certain that all
contaminants have been cleaned out. Check for inner
d. Inspect exterior of drum and mark areas requiring
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