Tuthill KINNEY SDV SDV-120 Operating instructions

KINNEY® SDV™ SERIES
Dry Vacuum Pumps
Models SDV-120 SDV-200 SDV-320 SDV-430 SDV-800
INSTALLATION
OPERATION
MAINTENANCE
REPAIR
MANUAL
WARNING
DO NOT OPERATE
BEFORE READING MANUAL
Tuthill Vacuum & Blower Systems
4840 West Kearney Street
Springfield, Missouri USA 65803-8702
o 417.865.8715 800.825.6937 f 417.865.2950
www.tuthillvacuumblower.com
1861 Rev. A 0912 ORIGINAL LANGUAGE - ENGLISH

2
NOTICE
The above safety instruction tags were permanently affixed to your pump prior to shipment.
Do not remove, paint over or obscure in any manner.
Failure to heed these warnings could result in serious bodily injury
to the personnel operating and maintaining this equipment.
SAFETY PRECAUTIONS FOR DRY VACUUM PUMPS
Please read the following safety information on this page before operating your vacuum pump.
• Do not operate the pump without the belt guard properly attached. Disconnect the pump motor from the electrical supply
at the main disconnect before removing the belt guard. Replace the belt guard before reconnecting the power supply to
the pump motor. Operating the pump without the belt guard properly installed exposes personnel in the vicinity of the
pump to risk from rotating drive components.
• Do not operate the pump with oxygen-enriched gas (greater than 21% by volume) in the suction line, unless the pump
has been prepared with an inert fluid suitable for the application and equipped with seal and start/stop purge system.
Pumping oxygen-enriched gases with mineral oil or other non-inert fluids and without proper purges can cause
fire or explosion in the pump, resulting in damage or serious bodily injury.
• Take precautions to avoid prolonged or excessive exposure to oil mist or process materials emanating from the discharge
of the pump.
• Do not allow the pump to discharge into a closed, or inadequately ventilated room. Where process vapor contains
environmentally unfriendly chemical vapor, pump discharge must be connected to the properly sized scrubber system
to neutralize the harmful chemicals prior to the discharge to the atmosphere. Laws and ordinances may pertain to your
local area regarding discharge of oil mist, oil vapor, chemical vapor to atmosphere. Check local laws and ordinances
prior to operation of the pump with discharge to outside atmosphere.
• Do not restrict the pump discharge in any way, or place valves in the discharge line. The vacuum pump is a compressor
and will generate high pressures without stalling the motor when operated at low suction pressures. Excessive pressure
could cause damage or serious bodily injury.
• Disconnect the pump motor from the electrical supply at the main disconnect before disassembling or servicing the
pump. Make sure pump is completely reassembled, the belt guard is properly installed, and that all fill and drain valves
are installed and closed before reconnecting the power supply. Accidental starting or operation of the pump while
maintenance is in progress could cause damage or serious bodily injury.
• Lift pump only by the lifting lugs supplied with the pump. DO NOT lift equipment attached to pump by the pump lifting
lugs.
• Do not touch hot surfaces on the pump. In normal operation at low pressures, surface temperatures will not normally
exceed 180° F (82° C). Prolonged operation at 200 Torr (267 mbar a) may cause surface temperatures as high as 220°
F (104° C)
DO NOT OPERATE
WITHOUT BELT
GUARD
WARNING
DO NOT VALVE OR RESTRICT PUMP
DISCHARGE OPENING.
USE OIL MIST ELIMINATOR WHEN
OPERATING PUMP, ENSURE ADEQUATE
VENTILATION WHEN DISCHARGING INDOORS
REFER TO MANUAL SAFETY INSTRUCTIONS.
CAUTION

3
TABLE OF CONTENTS
SECTION PAGE
INTRODUCTION 4
PRINCIPAL OF OPERATION 4
CONSTRUCTION 4
TIMING GEAR 4
BEARINGS 4
OIL LEVEL GAUGE 5
OIL LEVEL SENSOR 5
MATERIALS OF CONSTRUCTION 5
SPECIFICATIONS TABLE 6
PIPING DIAGRAM 7
FRESH WATERCOOLING 7
AIRWATER RADIATOR 8
PURGES 9
STEAM FLUSHING 10
STEAM FLUSHING METHOD AFTER PUMP OPERATION 10
HANDLING PROCEDURE 11
ASSEMBLY OF PIPING 11
PIPING WORK 11
OPERATION 12
PREPARATION FOR OPERATION 12
OPERATION 12
PUMP SHUTDOWN 13
LUBRICATION 13
MAINTENANCE AND INSPECTION 13
GENERAL 13
PERIODIC INSPECTION SCHEDULE 13
DRY VACUUM PUMP MAINTENANCE & INSPECTION SCHEDULE 14
DISASSEMBLY AND REASSEMBLY 1516
DISASSEMBLY PROCEDURE 15
REASSEMBLY PROCEDURE 16
VACUUM SYSTEM CHECKLIST 19
SPECIAL TOOL LIST 19
EXPLODED VIEW DRAWINGS AND PARTS LISTS 2041
WARRANTY  VACUUM PRODUCTS 42

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KINNEY® SDV™ SERIES MANUAL 1861-1
© 2008, Tuthill Corporation
INTRODUCTION
CONGRATULATIONS on your purchase of a new KINNEY® SDV™ Dry Vacuum Pump from Tuthill Vacuum & Blower Systems.
Please examine the pump for shipping damage, and if any damage is found, report it immediately to the carrier. If the pump is to
be installed at a later date make sure it is stored in a clean, dry location and rotated regularly. Make sure covers are kept on all
openings. If pump is stored outdoors be sure to protect it from weather and corrosion.
KINNEY SDV vacuum pumps are built to exacting standards and if properly installed and maintained will provide many years of
reliable service. We urge you to take time to read and follow every step of these instructions when installing and maintaining your
pump. We have tried to make these instructions as straightforward as possible. We realize getting any new piece of equipment up
and running in as little time as possible is imperative to production.
WARNING: Serious injury can result from operating or repairing this machine without first reading the service manual and
taking adequate safety precautions.
IMPORTANT: Record the pump model and serial numbers in the OPERATING DATA form on the inside of the back cover of this
manual. You will save time and expense by including this reference identification on any replacement part orders, or if you require
service or application assistance.
This instruction manual describes instructions and precautions to be observed in the handling and maintenance of Tuthill Vacuum
& Blower Systems Kinney®SDV Dry Vacuum Pump. It is strongly recommended that those who operate or maintain the pump read
this manual carefully prior to pump operation, to ensure longevity of pump life.
PRINCIPAL OF OPERATION
The SDV Dry Screw Vacuum Pump is a single stage, dry running, non-contact, variable pitch screw type vacuum pump.
The design principle of the SDV is simple. Two parallel variable pitch screws, having a highly sophisticated surface profile consisting
of an Archimedean and Quimby curve and an arc, rotate in opposite directions. Drive shaft rotation is CW when viewed from the
motor end (drive end) of the pump. Helical cut timing gears position these screws relative to each other.
The pumped gas is compressed into the discharged port by the rotation of the screws. A specific amount of clearance for each
pump size is maintained between the two screws and between screws and housing in order to avoid any metal to metal contact.
The power of the motor is transmitted to the main shaft through a coupling or belt pulley.
Because the SDV has a variable pitch screw design, the compression process is more efficient and the pump runs cooler.
For simplicity and space saving, the models SDV-120 through SDV-800 are provided as standard with flanged adaptors for mounting
a C-flange motor directly to the Vacuum Pump, eliminating the need for a separate base frame mounted assembly and coupling
guard for the vacuum pumps.
The power of the motor is transmitted to the drive screw shaft through a V-Pulley or a coupling, and further to the driven Screw shaft
through the timing gears.
CONSTRUCTION
TIMING GEAR
The timing gear is an important part of the screw vacuum pump. The tooth surface is heat cured, and polished with a special high
precision tooth-polishing machine for reduced noise during the pump operation.
BEARINGS
The bearings on the fixed side of the SDV pump (discharge end) are angular contact ball bearings and on the expansion side (inlet
end) are roller bearings of heavy load capacity. These bearings have been selected to withstand high speed and heavy load service
and to assure the accurate clearances between gears and between screws.

5
OIL LEVEL GAUGE
An oil level gauge (sight glass type) is located on the front end cover. Oil should be filled to the top level of the Red Mark, or OL
Mark. Oil Levels are indicated as below for the pumps manufactured after October 2005:
OL: Original Line (Oil should be filled up to this line initially)
RH: Running High (During the Operation) ---- In this case, pump should be checked.
RL: Running Low (During the Operation) ---- In this case, pump should be checked.
WARNING: If the oil level is too low, gears, bearings and mechanical seals will be damaged as a result of improper
lubrication.
If the pump were operated with low oil level, the gears and bearings would seize by lack of lubrications. If the oil is overfilled, the
oil temperature would get elevated and cause high gear noise and may affect integrities of the other parts within the DE (Drive End)
Casing. When pump is not in use, be sure to check the oil level and oil contamination, and then refill or change the oil when needed.
The oil is splashed by rotation of the timing gears and lubricates the Bearings and Mechanical Seals.
OIL LEVEL SENSOR
An oil level sensor is an optional item and may be installed inside the front end cover to sense low oil level and protect the
mechanical seals and bearings. In case of improper or low oil lubrication, the oil level switch will send a signal or alarm to alert an
operator to refill the oil to the proper level.
MATERIALS OF CONSTRUCTION
Housing: Ductile Iron (A536 Grade 60-40-18)
Various optional corrosion protection coatings (PTFE,NiFlon & NIFA) are available when requested.
Screw: Various optional corrosion protection coatings (PTFE,NiFlon & NIFA) are available when requested.
Cast Iron (A48 Class No. 30)
Shaft: Cr-Mo Alloy Steel (AISI-SAE 4140)
Lip Seals: PTFE and Carbon mix (Turcon) in Stainless Steel body
Slip Sleeve:
Ceramic coated Stainless Steel sleeve with an O-ring for serial numbers up to:
SDV-120: S/N 405
SDV-200: S/N 262
SDV-320: S/N 403
SDV-430: S/N 351
SDV-800: S/N 240
Polished Stainless Steel Sleeves (heat fitted) for serial numbers from:
SDV-120: S/N 406
SDV-200: S/N 263
SDV-320: S/N 404
SDV-430: S/N 352
SDV-800: S/N 241
Mechanical
Seals:
Rotor - Stainless Steel Body with Carbon #5 face
Stator - Stainless Steel with Tungsten Carbide coating

6
MODEL
SDV-120 SDV-200 SDV-320 SDV-430 SDV-800 SDV-1500 SDV-2700
50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz
Nominal
Displacement
Capacity
CFM
m³/hr
59
100
71
120
88
150
106
180
157
267
188
320
211
358
253
430
368
625
441
750
765
1300
882
1500
1324
2250
1588
2700
Ultimate Pressure Torr 0.04 0.02 0.04 0.02 0.03 0.01 0.03 0.01 0.03 0.01 0.2 0.1 0.2 0.1
Motor HP
kW
5
3
5
3.7
10
7.5
15
11
20
15
50
37
75
55
Power
Connection Type C-Flange C-Flange C-Flange C-Flange C-Flange Bare Shaft Bare Shaft
Speed RPM 2900 3500 2900 3500 2900 3500 2900 3500 2900 3500 1450 1750 1450 1750
Port Size (inches)
150 # FF
Inlet
Outlet
1.5
1.5
1.5
1.5
2
1.5
2.5
2
4
2.5
5
3
6
4
Gear Oil Gallon(1)
Liter
0.13
0.5
0.26
1
0.48
1.8
0.48
1.8
0.58
2.2
1.85
7
2.38
9
Grease Ounces
Grams
1
30
1
30
3.5
100
3.5
100
3.9
110
6
170
8.8
250
Cooling water
@ 20oC (68oF)(2)
GPM
L/min
0.5
2
1
4
2.1
8
2.9
11
5.3
20
7.4
28
9.5
36
Cooling Purge SCFM(3)
Sm³/hr NONE NONE NONE NONE 29.4
50
94.1
160
100
170
Discharge Temp °F
°C
<230
110
<248
120
<311
155
<347
175
<455
235
<482
250
<500
260
Inlet Gas °F
°C
122
50
122
50
122
50
122
50
122
50
122
50
122
50
Discharge Gas °F
°C
392
200
392
200
482
250
482
250
572
300
572
300
572
300
Oil °F
°C
158
70
158
70
158
70
158
70
158
70
158
70
158
70
Grease °F
°C
176
80
176
80
176
80
176
80
176
80
176
80
176
80
Noise dBA(4) 72 72 80 80 85 85 90
Weight lbs
kg
396
180
484
220
616
280
770
350
1212
550
2310
1050
2970
1350
Dimmensions,
L x W x H(5)
Inches
mm
19 × 13.1 × 10.3
483 × 332 × 262
29.9 × 14.9 × 11.6
760 × 378 × 294
33.8 × 17.1 × 12.8
858 × 434 × 326
39.1 × 19.4 × 13.9
993 × 492 × 352
44.5 × 20.4 × 15.3
1131 × 519 × 389
53.9 × 27.4 × 21.2
1368 × 695 × 539
60.6 × 33.1 × 23
1539 × 842 × 585
(1) Above listed amount of oil is for reference only. Oil should be filled to the top level of Red Mark or NL Mark. Please note that special inert oils are available for
hazardous applications.
(2) Above listed amount of Cooling Water is based on water temperature of 20°C (68°F). The amount of water varies when using an After Cooler. Temperature differential
between Cooling Water supply temperature and discharge temperature shall be maintained below 7°C (12.6°F).
(3) Cooling Purge flow rate shown above are at standard conditions.
(4) Noise level shown above are based on the pump equipped with exhaust silencer and are from 1 meter (3 feet) away from the pump.
(5) dimensions shown above are for bareshaft pump only (without motor).
SPECIFICATIONS TABLE

7
PIPING DIAGRAM
The vacuum pump casing and the front end plate have an integrated cooling water jacket. The SDV series pumps can be configured
with two different types of cooling systems, Fresh Water Cooling and Circulating Cooling.
FRESH WATERCOOLING
The fresh water cooling system consists of a “once through” cooling water circuit. A flow indicator, flow switch on the cooling water
supply line and temperature guage (or switch) at the cooling water discharge line should be installed to monitor the adequacy of
the colling water flow and the cooling water discharge temperature.
For SDV-200 and larger-sized pumps, the cooling water circuit is extended to the process exhaust silencer. For SDV-120, silencer is
not jacketed, hence, cooling water circuit is not extended to the process exhaust silencer.
Figure 1. Typical Process and Inlet Discharge for SDV-120 with Once-Through Cooling
S
FI
MOTOR
SILENCER
PROCESS
INLET
VG
PI
FSL TI
COOLING
WATER
SUPPLY
PROCESS
DISCHARGE
SILENCER
DRAIN
COOLING
WATER
DISCHARGE
COOLING
WATER
DRAIN
Figure 2. Typical Process and Inlet Discharge for all other SDV models with Once-Through Cooling
MOTOR
FI
PI
SILENCER
TI
VG
S
PROCESS
INLET
COOLING
WATER
SUPPLY
FSL Tl
PROCESS
DISCHARGE
COOLING
WATER
DISCHARGE
COOLING
WATER
DRAIN
SILENCER
DRAIN
COOLING
WATER
DRAIN

8
AIRWATER RADIATOR
This system is an air-cooled version with a cooling water total recovery system. A centrifugal pump circulates the cooling water
from the SDV vacuum pump to a radiator-fan unit. A flow indicator, flow switch on the cooling water supply line and temperature
guage (or switch) at the cooling water discharge line should be installed to monitor the adequacy of the colling water flow and the
cooling water discharge temperature.
For SDV-200 and larger-sized pumps, the cooling water circuit is extended to the process exhaust silencer. For SDV-120, silencer is
not jacketed, hence, cooling water circuit is not extended to the process exhaust silencer.
Figure 3. Typical Process and Inlet Discharge for SDV-120 with fan-cooled, re-circulated cooling water system
Figure 4. Typical Process and Inlet Discharge for all other SDV models with fan-cooled, re-circulated cooling water system
S
FI
MOTOR
SILENCER
PROCESS
INLET
PI
FSL TI
PROCESS
DISCHARGE
SILENCER
DRAIN
COOLING
WATER
DRAIN
VG
MOTOR
MOTOR
TI
S
FI
SILENCER
PI
FSL
TI
TI
PROCESS
DISCHARGE
SILENCER
DRAIN
COOLING
WATER
DRAIN
COOLING
WATER
DRAIN
MOTOR
MOTOR
MOTOR
PROCESS
INLET
VG

9
PURGES
COOLING PURGE  Cooling Purge is to cool the inside of the casing and the screws. During the operation of the pump, the
process gas introduced into the casing through the suction nozzle is compressed by the rotation of the screws and transferred to
the discharge side. Temperature of the process gas gets increased by the heat of compression and this heat energy should be
removed in order to prevent the pump from seizure. This Cooling Purge is required for SDV-800, SDV-1500, and SDV-2700. It is
optional for the smaller models, SDV-120, SDV-200, SDV-320 and SDV-430.
Normally this purge is done by atmospheric air. Where the process gas is not compatible with the atmospheric air, a different
cooling medium should be used, such as, Nitrogen, CDA (Clean Dry AIr) etc. For a standard pump, an air filter is provided near the
discharge side of the casing.
NOTES:
• Cooling Purge is not required for SDV-120, SDV-200 & SDV-320 for typical processes.
• Flow rates shown below should be applied when the end-user decides to supply Cooling Purge to the pump.
• Purge Pressure: Atmospheric pressure for process inlet pressure (operating pressure) 150 torr or below 0.5 kg/cm2g
(7.11 psig) minimum for process inlet pressure (operating pressure) 150 torr or higher.
• Flow Rates: slpm (sgpm) Cooling purge flow rate can vary depending on the process inlet pressure (operating
pressure)
SDV-120 SDV-200 SDV-320 SDV-430 SDV-800 SDV-1500 SDV-2700
Cooling Purge 30 (7.9) 36 (9.5) 40 (10.6) 40 (10.6) 50 (13.2) 160 (42.3) 170 (43.9)
SEAL PURGE  Depending on the application, SDV pump may require Seal Purges. If Seal Purge is specified on your system, it
is intended to provide a pressurized barrier within the Front End Plate (FEP) and/or Rear End Plate (REP) with gas which should be
compatible with the process gas and the lubrication oil/grease or inert gas such as Nitrogen or Argon, so that the contamination of
the lubrication oil and/or the grease within the Front End Cover (FEC) and/or the Rear End Plate (REP) is prevented.
Drive End (DE) Seal Purge should be connected to two purge connection nozzles on the Front End Cover. Non Drive End (NDE)
Seal Purge should be connected to two purge connection nozzles on the Rear End Plate (REP). (For SDV-120, there’s only one Non
Drive End (NDE) Seal Purge connection nozzle.) Both Drive End (DE) and Non Drive End (NDE) Seal Purges can be manifolded
from a single source of purge gas supply.
Seal Purge pressure should be below 0.5 kg/cm2g (7.11 psig). Leak rate of the mechanical seals is below 3 cc/hr (5.3 x 10-6 CFM)
and they can sustain pressure up to 3 kg/cm2g (42.7 psig).
Please note that TVBS does not recommend NDE (Non Drive End) Seal Purge unless it is absolutely required. Providing NDE (Non
Drive End) Seal Purge slightly increases the inlet pressure due to the additional mass flow into the pump. Please consult factory for
further assistance if you require seal purges.
NOTES:
• Start/Stop (Cleaning) Purges should last for 20 to 30 minutes with the process isolation valve closed, prior to the start
of the process operation and immediately after the completion of the process operation.
• Seal Purge Pressure: 0.5 kg/cm2g (7.11 psig) Maximum
• Flow Rates: slpm (sgpm)
SDV-120 SDV-200 SDV-320 SDV-430 SDV-800 SDV-1500 SDV-2700
DE (Drive End) Seal Purge 3.3 (0.9) 3.3 (0.9) 5.8 - 6.7 (1.5 - 1.8) 5.8 - 6.7 (1.5 - 1.8) 8.3 (2.2) 11.7 (3.1) 11.7 (3.1)
NDE (Non Drive End) Seal Purge 0.5 (0.13) 0.8 (0.21) 1.6 (0.42) 2.0 (0.53) 3.7 (0.98) 7.5 (1.98) 13 (3.43)
START/STOP CLEANING PURGES — Start/Stop (Cleaning) Purge is to remove residual process gas or any incompatible
substances such as moisture, atmospheric air etc. from the inside of the pump prior to or after the pump operations. Start/Stop
(Cleaning) Purge should be done with gas which is compatible with the process gas or inert gas such as Nitrogen or Argon. This
Start/Stop (Cleaning) Purge is especially important when pumping corrosive gases, toxic gases or polymeric process materials
such as film resin etc.
Start (Cleaning) Purge: With the inlet process isolation valve of the pump closed, operate the pump with purge gas to the pump
for 20 to 30 minutes to remove any undesired residual gases from the pump’s internal. The inlet process isolation valve should be
open to start process pumping operation upon completion of the Start (Cleaning) Purge.

10
Stop (Cleaning) Purge: Upon completion of process pumping operation, close the inlet process isolation valve and start supplying
the purge gas to the pump while the pump is continuously operating for 20 to 30 mintes to remove residual process gas from the
pump internals. Motor should be stopped upon completion of the Stop (Cleaning) Purge while the process isolation valve remain
closed.
NOTES:
• Start/Stop (Cleaning) Purges should last for 20 to 30 minutes with the process isolation valve closed, prior to the start
of the process operation and immediately after the completion of the process operation.
• Purge Pressure: 1.5 kg/cm2g (21.3 psig) Max.
• Flow Rates: slpm (sgpm)
SDV-120 SDV-200 SDV-320 SDV-430 SDV-800 SDV-1500 SDV-2700
Start/Stop (Cleaning) Purge 25 (6.6) 25 (6.6) 40 (10.6) 48 (12.7) 65 (17.2) 160 (42.3) 220 (58.1)
STEAM FLUSHING
The SDV pump should be operated for 10 to 20 minutes upon completion of process batch cycle with the process isolation valve
closed where there’s no Start/Stop (Cleaning) Purge system and sequence in place. This duration of dry operation without process
load is to remove any residual process gas or condensed process vapors from the inside of the pump that may have accumulated
during the process operation. These residual process materials could be a source of pump motor overload when the pump is re-
started. If this residual process material has not been removed by the dry operation after the process operation and the pump is
re-started the residual process material inside of the pump could cause a pump seizure by excessive frictional load to the motor or
damage the screws and/or the casing.
In such case there’s enough amount of the residual process material build-up within the pump, the pump internal should be cleaned
out. Steam Flushing is one way to clean the residual process material build-up from the pump internal. When there is enough
residual process material build-up, please ensure that the pump is not forced to rotate by the motor. Especially for the processes
that have a high potential for build-up and are aggressive in nature, such as, processes with Oligomer, Monomer, Polymer, Resin,
etc; should be cleaned out regularly by Steam Flushing.
1. Steam pressure: Approximately 1 kg/cm2g (14.22 psig)
2. System Isolation: Disconnect all electrical and control powers and place lockout tags on the MCC and/or Control Panel
to ensure no one accidentally starts the pump during the Steam Flushing. The process isolation valve should be closed.
Discharge valve (if applicable) and silencer drain valve should be open.
3. Inject steam for 10 to 20 minutes through the pump’s process inlet (suction) nozzle or one of the nozzles located at the side
of the pump’s process inlet (suction) nozzle. Injection time can be varied based on the types and amount of residual process
material built-up within the pump.
4. Rotate the pump shaft by HAND to check whether the pump rotates without too much frictions or not.
5. If the pump rotates smoothly by hand rotation, stop the steam injection and start the pump motor with process isolation valve
closed.
6. If the pump does not rotate smoothly by hand rotation, repeat steps 3 and 4 until the pump rotates smoothly by hand. Depending
on the severity of the residual process material build-up, it may require repeating steps 3 and 4 several times.
STEAM FLUSHING METHOD AFTER PUMP OPERATION
1. Process materials that require Steam flushing: Oligomer, Monomer, Polymer, Resin, etc.
2. Steam pressure: approx. 1 Kg/cm2g (14.22 psig)
3. Flushing Procedure: Close Suction valve, Open discharge valve or Silencer/Separator’s Drain valve
4. Inject Steam for 10 to 20 minutes (the injection time varies with the process material being removed) through pump suction line
or through a plug in suction flange
5. Try to rotate the pump shaft (Pulley or Coupling) by hand to see whether the pump rotates smoothly (during this time, be careful
not to start the motor and observe all lock out/tag out procedures).
6. If the pump rotates smoothly, stop injecting steam.
7. Then, start the motor and check if the pump runs normally.
8. If pump does not turn after performing this procedure, it may be necessary to repeat this procedure 2 to 3 times.
NOTES:
• PURGE PRESSURE: 0.5 to 1.5 kg/cm2 (7.1 to 21.3 psig)