TM 3-4230-237-10
0017 00
OPERATOR'S PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - Continued
Table 1. During Operation PMCS for M12A1 DED Decontaminating Apparatus - Continued.
STARTINGPROCEDURE
CAUTON:Do not operate pumpdryorwhen discharge pressure is below 60 p.s.i.g.
I
VALVE NO. 3
READ THEMANUAL
UPPEVEEEO.
VAL R R N L
3
1.Checkallvalve settingsbefore starting and close all circuit breakers before starting.
2.If temperature isbelow 40 degrees Fahrenheit,activateenginepre-heater for10 seconds.
3.Turn starting switch to start.
BAVOTEETER
T LTM-
4.Whenenginestarts,releasestart switch to run position.
5.Checkallgages to insure properoperation.
VALVEPOSITION
6.PrimeDetergent Valve#4 must beclosed when Prime-Detergent tank is empty.
O -OPEN X- CLOSED
REMARKS
FUEL
PRIME DRY PU MP
*
**
*TO TANK AGITATOR CONNECT ON E INCH HOSE
FUEL INDICATOR
1.
TURN ON FUELSUPPLY
--
S
ON CAP O
X
X
O
**OPEN FOR 1MINUTE BEFORE STARTING, THEN
START (SEE PROCEDURE)
CLOSE TOHALFWAYFOR REMAINDER OF PRIME
OPERATION (SEE 6 ABOVE)
*
VACU-
2.
FILL TANK WITH WATER
1
S
ON CAP O
X
X
X
*TOAGITATOR CONNECT ONE INCH HOSE
VACUUM GAGE
*
3.
BLEND SLU RRY
2
T
ON CAP O
X
X
X
*TOTANK BLENDER ADD ANTISET
THEN ADD STB.
*
4.
AGITATE SLUR RY
3
T
ON CAP O
X
X
X
*TOTANK AGITATOR
DISCHARGE UPPER REEL
2,3
T
CAPC AP
O
X
O
X
5.
SLURRY
LOWER REEL
2,3
T
CAP CAP
O
O
X
X
HOUR METER
S/
HOURMET-
D ISC HARGE UPPER REEL 1
/T
CAP C AP
O
X
O
X
LOW W IL
LO O
6.
S/
VEE
V
WATER
LOWER REEL
1
/T
CAP
CAP O
O
X
X
OIL PRESSURE
S/
*
**
*FROMHEATER
D ISC HARGE UPPER REEL
1
/T
ON
ON
X
X
O
X
**TOHEATER
TACLE
LIGHT
7.
S/
*
**
*FROMHEATER
H OT WATER LOWER REEL 1
/T
ON
ON
X
O
X
X
**TOHEATER
8.
PUMP WATER ONLY
S/
*
TOHEATER OR OTHER
1
/T
ON CAP
O
X
X
X
*TOHEATER OR OTHER
DISCHARGE FOAM
S/
*
UPPER REEL
1
/T
CAP CAP O
X
O
O
*ADJUSTFOR PROPER BLEND
9.
OR DETERGENT
S/
M AIN
LOWER REEL 1
/T
CAP CAP O
O
X
O
*ADJUST FOR PROPER BLEND
SIYSU IEM
C RC T T
10.
FLUSH SYSTEM
1
S
OPEN TANK DRAIN AND FLUSH TANK THO ROUGHLY, THEN O PEN PUMP DRAIN
AND FLUSH HOSER EELS AND D ISC HARGE CONNECTIONS (SEE MANUAL)
B R EA K ER
11.
SHUTDOWN PROCEDURE
TURN START SWITCH TOOFF POSITION.
CAP ALLPIPES AND CLOSE ALL VALVES EXCEPT PUMP DRAIN VALVE.
OPEN ALLCIRCUIT BREAKERS.
IGNITISTOPITCH
ON SW
OPPN
OE -
STOP
RUN
START
ENGINE
PRIR EAT
C -HUIT
EC
RETURN FUEL
FUEL OUT
PRE-HEAT
TO TANK
CIRCUT
I
PPESSSRE -
RREU SU
TO BURNER
SWITCH
BR AKER
E
GAGE
VALVVEMEO.44
VAL
E NO.
N
CLOSED
PRI
CAUTION: ENSURE PROPER
ENGAGEMENT OF QUICK
DISCONNECT COUPLINGS
Procedure
Not Fully
Item
Interval
Man
Item to be
Mission
No.
Hour
Checked/
Capable If:
Serviced
Pump Unit
(Cont)
Control Panel
DURING
7
CAUTION
Assembly
Do not operate pump dry or when
discharge pressure is below 60 psi.
If more time is needed to correct
fault, shut down.
Check that gages work and read correctly:
PRESSURE
VACUUM GAGE: 0-30 inches of mercury,
GAGE,
Water PRESSURE GAGE: 60-120 psi,
VACUUM
FUEL INDICATOR Gage: above empty
GAGE, FUEL
VOLTMETER: registers in green range
INDICATOR, or
LOW OIL PRESSURE LIGHT: is not illuminated
VOLTMETER is
not working or
LOW OIL
PRESSURE
LIGHT
illuminates.
0017 00-4
