Section IV. REMOVAL AND INSTALLATION OF MAJOR COMPONENTS AND ASSEMBLIES

Figure 2-1. Low Water Level Sensitive Switch, Removal and Installation.

TM-5-4610-218-34 Water Purification Unit Van Type Body Mounted Electric Motor Driven AC DC 115 208 V Single and 3 Phase 60 Hertz 1/20 to Hp Manual
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TM 5-4610-218-34

(3) Raw water flow indicator. Repair.

(1) Van body. Replace.

(4) Chemical solution feeder. Overhaul.

(2) Van body electrical system. Inspect, re-

pair, replace.

(6) Adjustable flow controller. Repair,

calibrate.

Section IV. REMOVAL AND INSTALLATION

OF MAJOR COMPONENTS AND ASSEMBLIES

(8) Refer to figure 2-6 and remove the influ-

WARNING

ent launders.

Dry cleaning solvent, P-D-680, used to

(9) Remove the effluent launder connecting

clean parts, is potentially dangerous.

tube and adjustable support rods as illustrated in

Avoid repeated and prolonged

figure 2-7.

breathing of the vapors and skin con-

(10) Remove the speed reducer mounting

tact with the liquid. Do not use near

plate as illustrated in figure 2-8.

open flame or excessive heat. Use in a

(11) Lift the erdlator agitator shaft assembly

well-ventilated area. The flash-point

up through the van body roof hatch opening.

of P-D-680 is 100-138F (38-59C).

(12) Remove the nuts, washers, and screws

that secure the downcomer tube to the bridge rail

2-6. General. This section contains instructions for

assembly shown in figure 2-8.

removal and installation of major components as

authorized by the maintenance allocation chart.

(13) Remove the bridge rail assembly.

(14) Lift the downcomer tube up through the

2-7. Erdlator Tank.

van body roof hatch opening.

a. Removal. Always remove the components as-

(15) Lift the effluent launder out of the er-

sociated with the erdlator tank in the order listed

dlator tank.

below. The illustrations referenced contains de-

(16) Refer to figure 2-9 and remove the agita-

tailed instructions for removing that particular

tor shaft bearing support out of the bottom of the

component.

erdlator tank.

WARNING

(17) Remove the sludge concentrator valves

and piping as illustrated in figure 2-10.

Be sure to disconnect the main power

(18) Refer to figure 2-11 and remove the elec-

supply before proceeding with the fol-

trical control cabinet.

lowing steps.

(19) Refer to figures 2-12 and 2-13 and re-

(1) Remove the low water level sensitive

move the erdlator tank away from the van body

switch as shown in figures 2-1 and 2-2.

through the left side doors.

(2) Remove all piping and tubing as neces-

b. Clean, Inspect and Repair.

sary.

(1) Clean the sludge from the bottom of the

(3) Remove the erdlator agitator drive motor

tank with clean water under pressure.

and belt as shown in figures 2-3 and 2-4.

(2) Clean the entire tank with dry cleaning

(4) Remove electrical cable clamps securing

solvent P-D-680. Use a stiff brush to remove sedi-

cables to the bridge rail assembly.

ment and scale.

(5) Refer to figure 2-5 and remove the er-

(3) Inspect the tank for dents, cracks, and

dlator agitator drive shaft, flexible couplings, and

punctures.

pillow block bearings.

(4) Repair cracks and punctures by welding.

(6) Remove the erdlator agitator speed re-

Straighten dents with an aluminum or soft ham-

ducer as illustrated in figure 2-5.

mer.

(7) Refer to figure 2-6 and remove the aspi-

(5) Replace the erdlator tank if it can not be

rator manifold assembly.

repaired.

2-4

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