NAUTILUS FNS FNS 24, 36, 48, 60 Fiberglass Pool Filter Installation, Operation & Service Manual

©
NAUTILUS FNS
FIBERGLASS D.E. FILTER
ine Np
INSTALLATION, OPERATION & SERVICE MANUAL
WARNING
THIS MANUAL CONTAINS
IMPORTANT SAFETY INFOR-
MATION WHICH MUST BE
FURNISHED TO THE END
USER. FAILURE TO READ
AND FOLLOW INSTRUC-
TIONS COULD RESULT IN
SERIOUS PERSONAL IN-
JURY AND/OR MAJOR
PROPERTY DAMAGE.
TABLE OF CONTENTS
How Your Filter Works................... 2 G. Manual Filter Cleaning................. 6,7
installation === e ea 3 H. Chemical Cleaning....................... 8
Initial Start-Up............................ 4 |. Winterizing Procedure ................... 8
Filter Disassembly/Assembiy ......... 4,5 J. Replacement Parts .................... 9,10
Cleaning Frequency ..................... 6 K. Troubleshooting Guide ................. 11
Filter Backwash Procedure.............. 6
CORPORATE OFFICE
Sanford, NC
(919) 774-4151
FUREX TRITON WEST
NAUTILUS™ FNS MANUAL
This filter operates under pressure. When closed
properly and operated without air in the water
system, this filter will operate in a safe manner.
Warning labels should be affixed to the top of
the filter and on the clamp bands at all times.
Keep safety labels in good condition. Replace
missing or damaged safety labels. (For free lab-
els call 1-919-774-4151).
A. HOW YOUR FILTER WORKS
Your vertical #rid diatomaceous earth (D.E.)
filter is designed to operate for years with proper
maintenance. The filter housing is made of cor-
rosion resistant materials and when installed,
operated and maintained in accordance with
these instructions, your filter will provide years
of service.
Your filter must be charged with D.E. at initial start-
up. This D.E. will cover the vertical filter grid
cloth within the filter with a thin coating. Dirty
water flows from the pool through the control
valve on the side of the filter and into the lower
side connection of the filter (part 32). The dirty
water flows through the vertical grid elements
(part 17) where dirt is filtered out by the DE.
Coating. All grid elements channel cleaned water
into a manifold system (part 16) which exits at
the upper side connection (part 28) and through
the control valve to return back to the pool. By
continuously diluting the dirty pool water with
clean water, the entire pool becomes gradually
cleaned. Your filter and pump should be sized to
circulate from 2 to 4 times the volume of water in
the entire pool through the filter every day to
accomplish the cleaning.
As dirt is collected in the coating of D.E. in the
filter, the pressure will rise and the flow of water
PAGE 2
to the. pool will be reduced. See other sections in
the manual to determine when to clean the filter
and how to choose the appropriate cleaning
method. This filter will only remove suspended
matter and does not sanitize the pool. The pool
must be sanitized and PH balanced for sparkling
clear water. Your filtration system must be con-
figured and sized to meet your local health codes.
*Part no's in parenthesis refer to the replace-
ment parts as shown in the exploded drawing
at the end of the manual.
** WARNING **
Failure to run your filter or inadequate
filtration can result in pool water clarity
that could obstruct visability and allow
diving into or on top of obscured objects
which can cause serious personal injury
or drowning.
Clear water is the result of proper filtration
as well as proper water chemistry. Pool chem-
istry is a specialized area and you should con-
sult your local pool service specialist for spe-
cific help or instructions. In general proper
pool sanitation requires a free chlorine level of
1 to 2 PPM and a PH range of 7.2 to 7.6.
FILTER OPERATIONAL DATA
me e FLOW RATE TURNOVER CAPACITY
nth | EW [om TE | оне, eta Tow. ант.
FNS 24 | 24 36 a8 |17,280 | 23,040 | 28,800 | 34,560
ENS 36 | 36 | 5a | 72 |25,920 | 34,560 | 43,200 | 51,840
FNS 48 | 48 72 96 |34,560 | 46,080 | 57,800 | 69,120
FNS 60 | 60 90 | 120 |43,200 | 57,600 | 72,000 | 86,400 |
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
NAUTILUS™ FNS MANUAL
B. INSTALLATION
"WARNING"*
FILTERSSHOULDNEVER BE TESTED
OR SUBJECTED TO AIR OR GAS
UNDER PRESSURE. ALL GASES ARE
COMPRESSIBLE AND UNDER
PRESSURE CREATE A DANGER.
SEVERE BODILY INJURY OR PROP-
ERTY DAMAGE COULD OCCUR IF
THE FILTER IS SUBJECTED TO AIR
OR GAS PRESSURE.
. Check carton for any evidence of damage due
to rough handling in shipment. If carton or
any filter components are damaged, notify
freight carrier immediately.
. After inspection, carefully remove filter com-
ponents from carton.
. Mount filter on a permanent slab, preferably
concrete poured in a form or on a platform
constructed of concrete block or brick. DO
NOT use sand to level the filter or for pump
mounting, as it will wash away.
. Provide space and lighting for routine main-
tenance access. Do not mount electrical con-
trols over filter. In respect for the potential for
injury from any pressurized system, it is a
good common sense precaution to always
stand clear of the filter whenever starting the
pump.
. If you have a Multi-port Valve, assemble the
valve to tank, being sure “O” rings on valve
fittings are in place and are clean. Use a lub-
ricant applied lightly, such as petroleum jelly,
silicone grease, Mytilube or similar product
on “O” rings and “O” ring grooves prior to
assembly.
. If you have a two position slide valve, align
the valve with tank so that the handle is
toward the top of the tank, push valve into
ports and turn the valve nuts snugly on tank
fittings. Itis not necessary to cinch valve nuts
to tank fitting beyond hand tightness.
. Assemble piping and pipe fittings to pump
and valve. All piping must conform to local
and state plumbing and sanitary codes.
10.
11.
12.
13.
14.
15.
PAGE 3
Use teflon tape or plastojoint stick on all male
connections of pipe and fittings. Use only
pipe compounds suited for plastic pipe. Sup-
port pipe to prevent strains on filter, pump or
valve.
Long piping runs and elbows restrict flow.
For best efficiency use the fewest possible fit-
tings, large diameter pipe (at least 1-1/2",
preferably 2") & locate equipment as close to
the pool as possible.
A check valve is recommended between the
filter and heater to prevent hot water “back
up” which will damage the filter and valve.
Another check valveis recommended between
the filter and the pump to prevent D.E. from
migrating back to the pool when the filter is
off.
The maximum operating pressure of this unit
is 50 pounds per square inch. Never operate
this filter above this pressure or attach a
pump to this filter that has more than 50 psi
shut off pressure.
Never install a chlorinator upstream of the
filter -always downstream and with a check
valve in between the chlorinator and filter,
A positive shut off valve is not recommended
at the outlet of the filtering system. If the
system is ever run with such a valve closed,
the internal air relief system becomes inoper-
ative and an explosive situation could exist.
Additionally, running the system with no
flow will seriously damage the equipment.
A positive shut off valve is also not recom-
mended at the waste port of the valve. If the
system 1s ever run with such a valve closed,
the filter pressure will go abnormally high
and increase the risk of vessel separation.
Additionally, running the system with no
flow will seriously damage the equipment.
Never store pool chemicals within 10 ft. of
your pool filter and pump. Pool chemicals are
corrosive and should always be stored in a
cool, dry and well ventilated area.
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
NAUTILUS™ FNS MANUAL
** WARNING **
Chemical fumes and/or spills can cause
severe corrosive attack to the filter and
pump structural metallic components.
Structurally weakened filter components
can cause filter or valve attachments to
blow off and could cause severe bodily
injury or property damage.
C. INITIAL START-UP
1. On a new pool, clean the pool before filling
with water. Excess dirt and large particles
can cause damage to pump and filter.
2. Check clamp assembly for tightness. See fil-
ter disassembly and assembly procedures.
* WARNING **
Improper tank assembly could cause the
tank top to blow off and cause severe bodily
injury and/or property damage.
3. Move valve handle to filter position. Open
air bleeder screw (Item 1) on the filter
top. Check pump strainer pot to be sure it is
full of water. Replace pump hd.
** WARNING **
Air entering filter and/or the filter unit not
closed correctly can cause the tank top to
blow off and could cause severe bodily
injury and/or property damage.
4. Open all suction and return line valves. Stand
clear of filter during the following operations.
5. Start pump. The tank will fill with water and
expell air from the air bleeder. Close the air
bleeder screw only after a steady stream of
water comes out.
6. Remove the skimmer lid, put the recommend-
ed amount of diatomaceous earth (D.E.) into
the skimmer. The D.E. will be drawn into the
filter and deposited evenly upon the grid ele-
ments. Now the filter is providing the pool
with bright, clean water.
NOTICE: Do not operate filter without D.E.
charge for more than two minutes. Do not use
more than the recommended amount of D.E. in
your filter.
PAGE 4
D.E. RECOMMENDATION
The amount of D.E. should be between 1 and
1-1/2 pounds for each 10 square feet of filter area
| MODEL |pounps oF DE.
FNS 24 2.5 - 3.5
FNS 36 3.5-5.5
FNS 48 5-7 _
FNS 60 6-9
NOTICE: 1/2 pound of DE will fill a 13 oz. coffee
Can.
7. On a new pool installation, it will require
approximately one week to obtain and main-
tain the water clarity of which your filter is
capable. It is recommended to disassemble
and clean the filter after initial pool clean up
(approximately 48 hours of operation). Follow
the instructions given in this manual for dis-
assembly, cleaning and reassembly.
8. Be sure to note the operating pressure of the
filter when it is clean and properly charged
with D.E. As the filter removes dirt from the
pool, the pressure will gradually increase. As
a guide, when the pressure has increased 7 to
10 psi from the initial reading, it is time to
backwash the filter.
Alternately another method for determining
when to backwash the filter is by judging a drop
in the amount of water flowing from the filter by
observing the flow from the inlet fittings in the
wall of the pool. As a general rule, backwashing
is needed when the flow rate becomes about 2/3
the rate of a clean filter.
D. FILTER DISASSEMBLY/ASSEMBLY
Before Disassembling Filter:
Backwash filter according to instructions under
“Filter Backwash Procedure” but stop after in-
struction #7. Do not precoat with new D.E.
DISASSEMBLY:
1. Be sure pump is turned off and all pressure
has been released from system.
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
NAUTILUS™ FNS MANUAL
** WARNING **
Releasing clamp with pressure on system
will cause tank lid to blow off, causing
severe injury or major property damage!
NEVER adjust, tighten or loosen “V" band
clamp when tank is under pressure!
2. Remove filter drain plug and drain all water
from tank.
CAUTION: Clamp hardware and filter sur-
face could have sharp edges which can
cause bodily injury if improperly handled.
Please use caution when performing the
following procedures.
d. Loosen clamp nuts alternately until one is
removed. Remove spring and washers noting
part orientation. Lift clamp assembly off of
filter. NOTE - Filters manufactured in 1992
may not contain spring and washers on
clamp.
4. Tank halves may have a tendency to stick
together. In order to separate tank halves, it
may be necessary to strike the tank top using
the palm of your hand with a glancing upward
movement (Figure A). Proceed gradually
around the tank using this motion until the
top loosens. j A |
FIGURE A. 9? \
5. Being careful not to damage tank seal, lift
upper tank shell off of lower tank sHell.
ASSEMBLY:
l. Thoroughly clean airrelief filter screen on top
of manifold EVERY time filter is opened. Be
sure to remove all debris from screen.
2. Inspecttank seal (Item 22) for cuts, nicks, etc.
If damaged, replace with a new one.
3. Clean tank seal area of tank shell (both halves) and
tank seal.
4. Apply a small amount of silicone based lubricant to
the tank seal.
Note: PAC+FAB recommends silicone lubricants
because they are insoluable in water and therefore pro-
vide lubrication for extended periods, are nontoxic and
are compatible with nearly all plastics and elastomer
materials (except silicone rubber). Excellent lubricants
include: * Dow Corning #111, #4, or #7 (Call Dow
Corning at 1-800-248-2481 for product availability,
pricing or technical information) * Parker Super-O-
Lube (Do not use Parker O-Lube). This product is
widely available at most distributors of rubber prod-
ucts, .
5. Carefully install tank seal and upper tank shell.
CAUTION: Be sure upper tank shell contacts tank seal
surface evenly and seal area is clean and free from dirt,
etc.
6. Install clamp springs, washers and nuts. Tighten nuts
evenly and alternately until spring coils touch each
other. Tap clamp around tank with rubber hammer to
assist seating of clamp. If filter is an earlier model
without spring clamp tighten each nut to 120 in-Ibf.
7. Use only those components supplied with filter or
PAC-FAB replacement parts when dealing with the
bands and spring tensioning devices.
** WARNING **
Use of non original equipment parts on band clamps
with spring tensioning devices may cause these tension-
ing devices to mal-function, resulting in improper
clamp installation. Improper clamp installation could
cause the filter top to blow off and cause severe person-
al injury and/or property damage.
CAUTION: Do not over tighten the clamp band.
Tightening the clamp band beyond recommended proce-
dures may damage the clamp band and cause unexpected
failure, sudden release of pressure and injury or damage.
Over tightening may also deform tank seal, causing leakage
at band clamp. Corroded components cannot be repaired
and must be replaced. If you are experiencing corrosion,
consult your pool service company or dealer.
** WARNING **
Always visually inspect filter components during
normal servicing to insure structural safety. Replace
any item which is corroded, bent or otherwise visually
defective. Defective filter components can allow the
filter top or attachments to blow off and could cause
severe bodily injury or property damage.
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
NAUTILUS™ FNS MANUAL
E. CLEANING FREQUENCY
The filter on a new pool should be backwashed,
disassembled and cleaned after approximately
48 hours of operation to clean out plaster dust
and/or construction debris.
Once a new pool has been established, the dirt
collected will gradually increase the filter pres-
sure. When the filter pressure increases 7 to 10 psi
over the initial pressure or when the flow has
been reduced by about 1/3 from when the filter
was clean, it is time to backwash the filter. Dif-
ferent areas and water conditions will have dif-
ferent normal cleaning intervals.
If at any time the starting pressure after back-
washing the filter indicates 2 to 6 psi higher than
normal starting pressure, it is time to perform a
manual filter cleaning or a chemical cleaning
procedure in the worst cases.
It is a good idea to disassemble the filter and
perform a chemical cleaning procedure twice a
year to remove accumulated body oils, ete.
In areas that have freezing winter tempera-
tures protect equipment by backwashing and
either manually cleaning or chemically cleaning
before winter storage. Be sure all water is drained
from the filter using the drain plug. The air
bleeder must be opened as well as all other
valves.
F. FILTER BACKWASH PROCEDURE
CAUTION: To prevent equipment damage
and possible injury, turn pump OFF before
changing valve position.
NOTICE: When backwashing with a sepa-
ration tank, see Separation Tank Owner's
manual for instructions.
1. Stop pump. Ensure that the backwash line is
open and any valving is adjusted to allow the
free flow of water.
2. Change valve positions.
a-If using Multi-port Valve, set to backwash
position.
b-If using Two-Position Slide Valve, raise
handle to fully extended position.
3. Stand clear of filter.
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
PAGE 6
4. Start pump, this will circulate water back-
wards through the filter to flush D.E. cake
and contaminants into the separation tank or
to waste.
5. If system has a sight glass, backwash until
water in glass runs clear.
6. If system does not have a sight glass:
a-Backwash one minute.
b-Stop pump and change valve position.
1) If using Multiport Valve, set to rinse
position.
2) If using Two-Position slide valve, push
handle down to filter position.
CAUTION: Stop pump before changing
valve settings!
c-Stand clear of filter.
d-Restart pump, run for one minute.
e-Repeat steps a,b,c and d three times.
Cycling is effective when cake and contaminants
are difficult to break and flush out of the filter.
NOTICE: Do not vacuum pool while back-
washing filter.
7. Stop pump.
8. Open air bleeder screw and release all pres-
sure from tank and system.
9. Follow “Initial Start-Up” procedure to restart
system.
10. Compare pressure reading on gauge with
reading recorded after initial start-up. The
two readings should be very close; if not, do
“Manual Filter Cleaning Procedure".
G. MANUAL FILTER CLEANING
NOTICE: At least once a year, disassemble
and clean filter regardless of operating
pressure readings. This can be done conve-
niently while winterizing pool in cold cli-
mates. Use this method regularly if no
means of backwashing is available.
NAUTILUS™ FNS MANUAL
BEFORE DISASSEMBLING FILTER:
1. Backwash filter as recommended but do not
precoat with new D.E.
2. STOP PUMP.
3. OPEN air bleeder screw.
4. WAIT until all pressure is released from filter
tank and system before loosening clamp.
** WARNING **
Releasing clamp with pressure on system
will blow lid off the tank, causing severe
injury or major property damage!
5. Disassemble filter (See Page 4)
FIGURE B.
* WARNING **
To avoid severe injury or major property
damage, exactly follow instructions under
“Disassembly” (Page 4)!
6. Graspelement assembly at top manifold using
hand holds and lift to remove it (Figure B).
7. Hose down element assembly and clean with
bottle brush (Figure C). Use detergent solu-
tion or filter cleanser available from a pool
service store.
A de
———| de Fo
#5 >>
q CA ó
a —
FIGURE C.
PAGE 7
NOTICE: Toavoid damaging fabric,donot allow
filter element to rub on concrete or any
abrasive surface during cleaning.
NOTICE: Do not expose element cloth to
direct sun for long periods. Direct sun will
cause the cloth to deteriorate.
8. Inspect grid cloth for tears, calcification,
plugged areas, etc. If necessary, soak element in
filter cleanser to remove buildup of oils, etc. It
is recommended that an approved cleaner be
used. Please contact your local pool chemical
supplier or retail store for the proper cleaner.
Mix a solution following the manufacturer's
instructions on the label. Place the entire grid
assembly in a plastic container and add the
solution so the entire grid assembly is sub-
merged. Allow to stand overnight (12 hours).
The following day wash with a hose and
remove all of the solution from the grids so it
does not return to the pool. If calcified, per-
form the chemical cleansing procedure des-
cribed under “Chemical Cleaning
Procedures”.
9. Thoroughly clean air relief filter screen.
10. With filter drain open, hose down the internal
portion of filter and thoroughly clean sealing
area of tank halves.
11. Replace the grid-assembly by setting the
manifold opening directly over the connector
pipe. Push down on the grid assembly and
check to see that it is seated properly.
12. Thoroughly clean drain plug seal and sealing
area and replace and tighten plug.
** WARNING **
To avoid severe injury or major property
damage, exactly follow instructions under
“Assembly” (Page 5)!
13, If unit is returning to service, see “Initial
Startup” (Page 4).
14. If cleaning is part of seasonal shutdown, see
“Winterizing” (Page 8).
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
NAUTILUS™ FNS MANUAL
H. CHEMICAL CLEANING PROCEDURE
1. STOP PUMP.
2. OPEN air bleeder screw.
3. WAIT until all pressure 1s released from filter
tank and system before loosening clamp.
** WARNING **
Releasing clamp with pressure on system
will blow lid off of tank, causing severe
injury or major property damage.
NOTICE: Do not expose element cloth to
direct sunlight for long periods. Direct sun-
light will cause the cloth to deteriorate.
NOTICE: To avoid damaging fabric, do not
allow filter element to rub on concrete or
any abrasive surface during cleaning.
4. Disassemble Filter.
** WARNING **
To avoid severe injury or major property
damage, exactly follow instructions under
“Disassembly” (Page 4)!
5. Disassemble and inspect element grid assem-
blies for tears and worn areas. Replace as
needed.
6. Rinse each grid thoroughly with water.
7. Wash each grid with a mild soap solution. If
necessary, soak element grids in filter cleanser
to remove buildup of oils, ete.
8. Rinse thoroughly to remove all soap film.
9. To remove mineral buildup from filter cloth,
soak each element grid two to four hours in a
solution of one part muriatic acid to ten parts
water. Some foaming may occur.
** WARNING **
‘Follow manufacturer's instructions.
Danger of burns or explosion. Do not add
water to acid, always add acid to water. Do
not allow acid to touch your skin. Do not use
acid without eye protection and rubber
gloves.
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
10. Rinse each element grid thoroughly with
water.
11. Reassemble element grids.
12. Inspect inside of filter tank and remove all
debris remaining after backwashing.
13. Thoroughly clean air relief screen on top of
manifold. Be sure to remove all debris from
screen.
14. Follow filter assembly procedure (Page 4).
** WARNING **
To avoid severe injury or major property
damage, exactly follow instructions under
“Assembly” (Page 5)!
15. If unit is returning to service, see “Initial
Startup” (Page 4).
16. If cleaning is part of seasonal shutdown, see
“Winterizing” procedures below.
I. WINTERIZING PROCEDURE
1. Backwash and manually clean the filter fol-
lowing the recommended procedures.
2. We recommend removing the internal grid
assembly and store in a dry area
3. Reassemble the filter following the recom-
mended procedures.
4. Open air bleeder valve. Open all system
valves. Position multiport valve between port
positions (winterize position) to allow pas-
sage to all ports and relieve pressure on the
sealing gasket.
5. Remove drain plugs from filter, separation
tanks and pumps.
6. Drain system piping.
7. We recommend covering the equipment with
a tarpaulin or plastic sheet to inhibit detero-
ration from the weather.
NAUTILUS™ FNS MANUAL PAGE 9
J. REPLACEMENT PARTS
NAUTILUS FNS
FIBERGLASS D.E. FILTER
DIMENSIONAL TABLE
MODEL | ADIN. | B DIM. | C DIM,
еч 60 | am | sam | 75
ENS 48 | 4 | 47% | ©
FNS36 | 374 | 41% | 57
FNS 24 31% 35% 45 |
NOTES
replacement paris drawsng, but will contarn Evo
5
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
NAUTILUS™ FNS MANUAL PAGE 10
га
—
MOTE 1
Complete grid assembly consists of One each of itema 16.
39, 47 and 18 Four each of items 37 and 38: two each of
Hem 40 and seven each of item 17.
Ti
=
Fn RNR N MH N IM 18 1M IN IM
Capacity la 13. 67H
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
NAUTILUS™ FNS MANUAL
K. TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
REMEDY
KENNE ZZ ZZ Te HT CK A
D.E. Leaking back lo pool
Pool water not sufficiently clean
High filter pressure after backwashing
Return Now to pool diminished.
Low filler pressure.
Short Cycles
Leakage at clamp
1. After backwashing and re-coating the filter
with D.E., some amount ol "puifback” ls normal.
2. Damaged Grid or “0” ring in filter assembly.
3. Improper assembly of internal parts.
4, Missing or defective check valve,
1. Improper precoal of D.E. on grids.
2. Inadequale turnover rate.
3. Pool chemistry nol adequate to inhibit algae
growth.
1. Insufficient backwashing.
2. Filter cloth plugged with D.E. and
contaminants.
3. Filter cloth plugged with mineral deposils.
4. Partially closed valve or restriction in return
line,
1. Obstruction in pump hair and lint strainer.
2. Obstruction in pump.
J. Obstruction in suction fine to pump.
1. Improper backwash,
à. Pool chemistry not adequate to inhibit algae
growth.
3. Improper precoal ol D.E. on grids.
4. Plugged grids.
3. Flow rate loo high.
1. Improper torque on closure band
hardware,
2. Debris contamination on "0" ring and
flanges.
3. Cut or damaged “O” ring.
READ AND FOLLOW ALL SAFETY INSTRUCTIONS
The D.E. will eventually be Hered out of the
pool. Mo action necessary.
Replace damaged grids or “O" rings.
Correct assembly of parts.
Install or repair check valve.
Use recommended amount of DE.
Consult dealer or pool service lechnician.
Maintain pool chemistry or consull pool service
technician.
Backwash until effluent runs clear.
Manually clean filler grids.
Chemically clean filter grids.
Open valve or remove obstruction in lines.
Open valve in suction line.
Clean basket in strainer.
Disassemble and clean pump.
Clean skimmer basket. Remove obstruction in
lines.
Backwash until effluent runs clear.
Maintain pool chemistry or consult pool service
techniclan,
Use recommended amount of D.E
Manually clean or chemically clean as required.
Restrict flow to capacity of filter.
Reassemble clamp following procedure under
“Assembly” on page 5.
Clean “0” ring and flanges. Lubricate “0” ring.
Replace “0” ring.
NAUTILUS™ FNS MANUAL PAGE 12
NOTES
READ AND FOLLOW ALL SAFETY INSTRUCTIO
18-5000 REV. 801