Spx Cooling Technologies Marley Class F400 Users Manual

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2015-02-06

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/ Marley Class F400 Cooling Tower /
User Manual 93-1288A

Contents

The following defined terms are used throughout this manual to
bring attention to the presence of hazards of various risk levels, or
to important information concerning the life of the product.

Warning

Indicates presence of a hazard which can cause severe personal
injury, death or substantial property damage if ignored.

Caution

Indicates presence of a hazard which will or can cause personal injury
or property damage if ignored.

Note

Indicates special instructions on installation, operation or maintenance
which are important but not related to personal injury hazards.

These instructions assist in obtaining efficient, long life from Marley
counterflow cooling towers. Direct questions concerning cooling tower
operation and maintenance to your Marley sales representative. Always include your tower serial number when writing for information
or ordering parts. Look for this number on the sidewall casing.

Before Startup......................................................................................... 3
Starting Procedure.................................................................................. 4
Operation................................................................................................. 4
Tower Maintenance................................................................................. 6
Water Treatment...................................................................................... 8
Spare Parts............................................................................................ 12
Seasonal Shutdown Instructions........................................................... 12
Tower Cleaning...................................................................................... 13
Troubleshooting..................................................................................... 14
Safety.................................................................................................... 15
Inspection and Maintenance Schedule................................................. 16
Inspection Checklist.............................................................................. 18

Before Start-up
Warning

Among other sources, outbreaks of Legionnaires’ disease have reportedly been traced to cooling towers. Maintenance procedures
that prevent amplification and dissemination of Legionella and other
airborne bacteria should be formulated and implemented BEFORE
systems are operated and continued reqularly thereafter to avoid the
risk of sickness or death
CLEANING–New installations should be cleaned and treated with biocides
by a water treatment expert before startup. Remove any dirt and trash which
has accumulated in the cold water basin. Remove any sediment from the
cold water collection basin, sump, and screens. Use a water hose to flush
cold water collection basins.
OPERATE WATER SYSTEM–Start the circulating water pumps. Increase
the flow of circulating water gradually to match design water flow rate.
Circulate water over the cooling tower continuously for several days
before starting the mechanical equipment and placing the cooling tower
into continuous operation.

Note

When starting in cold weather, follow procedures outlined in Cold
Weather Operation.
INSPECTION–It is imperative that all operating assemblies be inspected
before they are placed in operation. The following is a list of components
to be checked before starting the tower:
1–Check drive shaft alignment. Realign if necessary. See Marley Drive
Shaft Service Manual.
2– Check tightness of bolts in fan cylinder joints.
3–Check tightness of the following bolted joints in the fan and drive assemblies:
a–Fan hub clamp bolts. See Marley Fan User Manual for correct torque
setting).
b–Fan hub cover bolts.
c–Geareducer® and motor mounting bolts.
d—Drive shaft coupling and guard bolts.
4–Check Geareducer oil for sludge or water by draining off and testing a
sample as outlined in the Geareducer User Manual. Check Geareducer
oil level at “oil level” mark on the side of the case. Add oil as required.

➠
3

The oil level placard must be adjusted so that its “full” mark is at the
same elevation as the “full” mark on the side of the Geareducer case.
Check oil lines to be sure there are no leaks. See Geareducer User
Manual for oil filling procedure and list of recommended lubricants.
5–Rotate fan by hand to be sure of free rotation and ample tip clearance.
See Fan User Manual.
6–Check motor insulation with a “Megger”. See Maintenance Section of
Marley Electric Motor User Manual.
7–Lubricate the motor according to motor manufacturer’s instructions.
8–Test run each fan separately for a short time. Check for excessive vibration or unusual noise. If either is present, see Troubleshooting Guide
on pages 14 and 15 of this manual. Fan must rotate clockwise when
viewed from above. Recheck Geareducer oil level.
9–Check functioning of make-up water supply.
10–Make sure the blowdown will carry the proper amount of water.

Starting Procedure
WATER SYSTEM–Fill the cold water collection basin and circulating water
system until the operating water level is reached. See Operation Section,
below. Prime and start the circulating water pumps. Increase the flow of
circulating water gradually to design water flow rate to avoid water hammer which could damage the distribution piping system.

Note

Clean the sump screens several times during the first weeks of operation. After this, clean sump screens weekly.

Note

When starting in cold weather, follow procedures outlined in Cold
Weather Operation.
STARTING FAN–Start the fan. After 30 minutes of operating time to permit
Geareducer oil to come up to operating temperature, check motor load
with watt meter, or take operating volt and ampere readings and calculate
motor hp. Refer to Marley Fan User Manual for instructions. Pitch fans
to pull correct contract horsepower when circulating design water rate at
design hot water temperature.

Operation
Caution

Entering water temperature in excess of 125°F may result in fill deformation.

TOWER PERFORMANCE–Keep the cooling tower clean and water distribution uniform to obtain continued maximum cooling capacity.
The capacity of a cooling tower to cool water to a given cold water temperature varies with the wet-bulb temperature and the heat load applied
to the cooling tower.
As the wet-bulb temperature drops, the cold water temperature also
drops. However, the cold water temperature does not drop linearly with
the wet-bulb temperature.
A cooling tower will not control heat load. The flow rate of water circulated
through the cooling tower will determine the temperature range of cooling in conjunction with a given heat load. The hot water and cold water
temperatures will increase with higher heat loads.
HOT WATER DISTRIBUTION SYSTEM–Maintain uniform water distribution at the nozzles (uniform spray cone). The amount of water circulated
should approximate the contract requirements and the nozzle pressure
should be kept constant. Lower pressures may indicate excessive losses
in the piping system and/or insufficient pump capacity; greater pressures
might indicate clogged nozzles and/or overpumping. If a greatly reduced
water flow rate is desired, it may be advisable to change nozzle sizes to
obtain the desired pressure and maintain proper water distribution. An
SPX Cooling Technologies engineer can advise minimum and maximum
flow rates for even distribution.
COLD WATER COLLECTION BASIN–A suitable depth must be maintained
to keep the pumps from pulling air into the line. The amount of “make-up”
water required to keep the water in the collection basin at the required
depth depends upon the “evaporation loss” and “blowdown” .
FAN DRIVE–When using two-speed motors, allow a time delay of 20
seconds minimum after de-energizing the high-speed winding and before
energizing the low-speed winding. Tremendous stresses are placed on
driven machinery and motors unless the motors are allowed to slow to
low-speed RPM or less before the low-speed winding is energized.
COLD WEATHER OPERATION–During periods of low temperature operation, 35°F to 40°F or below, ice will form on the relatively dry parts of
the cooling tower that are in contact with the incoming air. Primarily, this
includes the air inlet and adjacent structural framing. Your understanding of

➠
5

cold weather operation will be enhanced if you read “Operating Cooling
Towers in Freezing Weather” Marley Technical Report #H-003.
Ice forming characteristics on any given cooling tower will vary, depending
on velocity and direction of wind, circulating water rate, and heat load.
Excessive ice formation may be controlled by regulating air and water flow
through the tower by one or more of the following procedures:
1–Shut the fan down. This reduces the cooling air rate to a minimum and
increases the quantity of warm water at the air inlet to a maximum.
However, normal “fan off” operation causes reverse air flow by aspiration and may cause water blowout and therefore must be done with
caution and monitoring. For automatic operation, a timer switch can be
provided to shut the fan down for a few minutes each hour.
2–When a cooling tower has two-speed motors, operate the fans at half
speed forward. This reduces the cooling air rate (heat transfer) and
increases the quantity of warm water at the air inlet.
3–With no heat load on the circulating water, icing cannot be controlled.
Towers must not be operated with reduced water rate and/or no heat
load during freezing weather. If a bypass directly into the cold water
basin is used, all water must be bypassed.

Caution

Reverse operation of fans is not recommended . See “Fan Drive” for
fan speed change precautions.
INTERMITTENT OPERATION–When the unit is operated intermittently
during winter weather, it is necessary that the water be drained from the
tower piping to insure protection against freezing and possible rupture.

Tower Maintenance
Warning

Always shut off electrical power to the tower fan motor prior to
performing any inspections that may involve physical contact with
the mechanical or electrical equipment in or on the tower. Lock out
and tag out any electrical switches to prevent others from turning
the power back on. Service personnel must wear proper personal
protective clothing and equipment.
Well-maintained equipment gives the best operating results and the least
maintenance cost. SPX recommends setting up a regular inspection
schedule to insure effective, safe operation of the cooling tower. Use the
schedule on page 16 to obtain continuously good performance with the

least tower maintenance. See Cooling Tower Inspection Check List in this
manual. Keep a continuous lubrication and maintenance record for each
cooling tower.
HOT WATER DISTRIBUTION SYSTEM–Keep the circulating water and
distribution system (piping and nozzles) clean and free of dirt, algae, and
scale. Algae and scale may clog nozzles, eliminators, fill, and piping, and
may collect on the equipment served thus reducing its performance.
An access hatch in the fan deck with ladder to an intermediate platform
provides means for inspection of the plenum area above the eliminators.
Removal of an access hatch at the plenum level allows access to the
spray chamber for inspection and maintenance of the nozzles and top of
fill. Provide surface protection before walking on the fill.
DRIFT ELIMINATORS–Eliminators should be kept clean.

Warning

Do not walk or step on the eliminators without planking and safety
harness.
COLD WATER COLLECTION BASIN (supplied by others)–Inspect collection basin occasionally for leaks and repair if necessary. Keep cold water
outlets clean and free of debris. Makeup and circulating water controls must
operate freely and maintain the desired water quantity in the system.
DRIVE SHAFT–Check drive shaft alignment and condition of couplings
every six months. See the Drive Shaft User Manual for correcting misalignment, balancing, or replacing parts.
ELECTRIC MOTOR–Lubricate and maintain each electric motor in accordance with the manufacturer’s instructions. If repair work is necessary,
contact the nearest representative of the motor manufacturer. See Warranty
Section of Marley Electric Motors User Manual.
FAN–Inspect fan blade surfaces every six months. For detailed maintenance information, refer to Marley Fan User Manual.
GEAREDUCER–Make weekly and monthly oil checks. Inspect internal
parts during seasonal oil change. Refer to the Geareducer User Manual
for detailed maintenance instructions.
PAINTING–Periodically clean and, if necessary, recoat all metal parts
subject to corrosion.

Water Treatment
BLOWDOWN–Blowdown, or bleed-off, is the continuous removal of a
portion of the water from the circulating system. Blowdown is used to
prevent the dissolved solids from concentrating to the point where they
will form scale. The amount of blowdown required depends upon the cooling range (the difference between the hot and cold water temperatures)
and the composition of the make-up water (water added to the system to
compensate for losses by blowdown, evaporation and drift). The following table shows the amount of blowdown required to maintain different
concentrations with various cooling ranges:
BLOWDOWN–% OF CIRCULATING RATE
Cooling Range

Number of Concentrations
1.5X

2.0X

2.5X

3.0X

4.0X

5.0X

6.0X

5° F (2.78° C)

.78

.38

.25

.18

.11

.08

.06

10° F (5.56° C)

1.58

.78

.51

.38

.25

.18

.14

15° F (8.33° C)

2.38

1.18

.78

.58

.38

.28

.22

20° F (11.11° C)

3.18

1.58

1.05

.78

.51

.38

.30

25° F (13.89° C)

3.98

1.98

1.32

.98

.64

.48

.38

Multipliers are based on drift of 0.02% of the circulating water rate.

EXAMPLE: 7000 GPM circulating rate, 15° cooling range. To maintain 4
concentrations, the required blowdown is .38% or .0038 times 7000 GPM
which is 26.6 GPM.
If tower is operated at 4 concentrations, circulating water will contain four
times as much dissolved solid as the make-up water, providing none of
the solids form scale or are otherwise removed from the system.
CHEMICAL TREATMENT–In some cases chemical treatment of the circulating water is not required if adequate blowdown is maintained. In most
cases, however, chemical treatment is required to prevent scale formation
and corrosion. Sulfuric acid or one of the polyphosphates is most generally used to control calcium carbonate scale. Various proprietary materials containing chromates, phosphates or other compounds are available
for corrosion control. When water treatment chemicals are required, the
services of reliable water treating companies should be obtained.
Slime, a gelatinous organic growth, and algae, a green moss, may grow
in the cooling tower or heat exchangers. Their presence can interfere
with cooling efficiencies. Proprietary compounds are available from
water treating companies for the control of slime and/or algae; however,

compounds which contain copper are not recommended. Chlorine and
chlorine containing compounds are effective algaecides and slimicides.
If used, chlorine should be added as intermittent (or shock) treatment
only as frequently as needed to control the slime and algae. Chlorine and
chlorine containing compounds should be added carefully since very high
levels of chlorine may occur at or near the point of entry into the circulating water system.
FOAMING–Heavy foaming sometimes occurs when a new tower is put into
operation. This type of foaming generally subsides after a relatively short
period of operation. Persistent foaming can be caused by the concentrations of certain combinations of dissolved solids or by contamination of
the circulating water with foam-causing compounds. This type of foaming
can sometimes be minimized by increasing the blowdown, but in some
cases foam depressant chemicals must be added to the system. Foam
depressants are available from a number of chemical companies.
MAINTENANCE OF FILL PERFORMANCE

Warning

Owner must keep water clean by treatment, screening, or filtering
to avoid the possibility of fill clogging and loss of thermal performance.
Potential Causes of Fill Clogging:
• Suspended materials—Trash, etc.
• Scale—Can be sulfates, silicates, carbonates, or oxides. Scaling effects
can be accentuated by suspended muds.
• Algae and/or Slime—Can control with chlorine or non-oxidizing biocides.
Possible Sources of Scale:
• Calcium Sulfate—From make-up and sulfates produced by sulfuric
acid for pH adjustment. Calcium sulfate should be kept below 1000 ppm
expressed as CaCO3.
• Calcium Carbonate—Generally will not form scale in the cooling tower
if carbonate scaling does not occur in the condenser.
• Exceptions: If make-up water contains surplus free carbon dioxide,
scaling may be inhibited in the condenser, but may occur in the tower fill
because of CO2 stripping.
• Silicates and Oxides—Silica scale is virtually impossible to remove. Silica
scale is unlikely if SiO2 is held below 150 ppm. Oxides, such as iron oxide,
can coat all parts of the system if soluble iron is present in concentrations
above 0.5 ppm. Iron oxides do not usually develop into thick scales but
can accentuate the development of other scales.

classF400

Spare Parts
SPX Cooling Technologies manufactures and maintains a stock of replacement parts for all cooling tower mechanical equipment. Shipment of
these parts are normally made within ten days after an order is received.
If emergency service is necessary, contact the local Marley representative
for assistance.
To prevent prolonged shutdown periods in case of damage to the mechanical equipment, it is suggested that the following parts be carried in
the owner’s stock:
• One fan assembly.
• One Geareducer assembly.
• One drive shaft assembly.
Be sure to furnish the tower serial number when ordering parts.

Seasonal Shutdown Instructions

Tower–Drain all tower piping.
During shutdown, clean the tower and make any necessary repairs. Apply protective coating as required to all metal parts. Particular attention
should be given to mechanical equipment supports, drive shaft and drive
shaft guards.
Mechanical Equipment
Geareducer (shutdown for 3 months or less).
1. Each month, drain water condensate from the lowest point of the
Geareducer and its oil system. Check oil level and add oil if necessary.
Operate to recoat all interior surfaces with oil.
2. At start-up, drain water condensate and check oil level. Add oil if necessary.
Refer to Geareducer User Manual for maintenance and lubrication instructions.

Geareducer (shutdown for 3 months or more).
1. If the motors have space heaters, operate mechanical equipment one
hour each month.
2. If the motors do not have space heaters, operate mechanical equipment
one hour each week.
3. At startup, operate mechanical equipment one hour or until oil is warm,
then shut the equipment down. Drain the oil and refill with new oil.
Refer to Geareducer Manual for instruction on changing oil. Refer to
Downtime Instruction Manual for downtime exceeding six months.
Electric Motors
1. Do not start motor without determining that there will be no interference
with free rotation of the fan drive.
2. Refer to the Marley Motor User Manual.
3. If shutdown period is longer than seasonal, contact your Marley sales
representative for additional information.

Cooling Tower Cleaning
Warning

Any evaporative-type cooling tower must be thoroughly cleaned
on a regular basis to minimize the growth of bacteria, including
Legionella Pneumophilla, to avoid the risk of sickness or death.
Service personnel must wear proper personal protective equipment
during decontamination. Do NOT attempt any service unless the fan
motor is locked out.
Operators of evaporative cooling equipment, such as water cooling towers, should follow maintenance programs which will reduce to an absolute
minimum the opportunity for bacteriological contamination. Public Health
Service officials have recommended that “good housekeeping” procedures
be followed, such as: regular inspections for concentrations of dirt, scale,
and algae; periodic flushing and cleaning; and the following of a complete
water treatment program including biocidal treatment.
Visual inspection should take place at least once a week during the operating season. Periodic flushing and cleaning should be done at least twice a
year. Nozzles should be checked for clogging. Drift eliminators, and easily
accessible fill surfaces should be cleaned by use of a moderate-pressure
water nozzle, being careful not to cause physical damage. A reliable water
treatment program should be installed and maintained.

Troubleshooting
Trouble

Cause

Remedy

Motor Will Not Start

Power not available at motor terminals

1. Check power at starter. Correct any bad connections between the control apparatus and the motor.
2. Check starter contacts and control circuit. Reset overloads,
close contacts, reset tripped switches or replace failed control switches.
3. If power is not on all leads at starter make sure overload and
short circuit devices are in proper condition.
Check motor and control connections against wiring diagrams.
Check nameplate voltage against power supply. Check voltage
at motor terminals.
Check stator windings for open circuits.
Disconnect motor from load and check motor and Geareducer
for cause of problem.
Look for broken bars or rings.
Stop motor and attempt to start it. Motor will not start if singlephased. Check wiring, controls and motor.
Check motor connections against wiring diagram on motor.
Check lubrication. Replace bade bearings.
Check voltages and currents of all three lines. Correct if required.
Check and correct bracket fits or bearing.
Rebalance.
Reinstall or replace fan.
Check voltage and current of all three lines against nameplate
values.
Check fan blade pitch. See Fan Service Manual. Check for drag
in fan drive train as from damaged bearings.
Check nameplate against power supply. Check RPM of motor
and gear ratio.
Remove grease reliefs. Run motor up to speed to purge excessive grease.
If not poor machining, replace worn bearing.
Change to proper lubricant. See motor manufacturer’s instruction.
Stop motor and attempt to start it. Motor will not start if singlephased. Check wiring, controls and motor.
Clean motor and check ventilation openings. Allow ample ventilation around motor.
Check with Ohmmeter
Straighten or replace shaft.
Remove plugs and regrease bearings.
Flush bearings and relubricate.

Wrong connections
Low voltage
Open circuit in motor winding
Motor or fan drive stuck

Unusual Motor Noise

Rotor defective
Motor running single-phase

Motor Runs Hot

Motor leads connected incorrectly
Ball bearings
Electrical unbalance
Air gap not uniform
Rotor unbalance
Cooling fan hitting guard
Wrong voltage or unbalanced voltage
Overload
Wrong motor RPM
Bearings overgreased
Rotor rubs stator bore
Wrong lubricant in bearings
One phase open
Poor ventilation

Winding fault
Bent motor shaft
Insufficient grease
Deterioration of or foreign material in
grease
Bearings damaged
Incorrect fan blade pitch
Motor Does Not Come Up Voltage too low at motor terminals beTo Speed
cause of line drop
Broken rotor bars

Replace bearings.
See Fan Service Manual for blade pitching instructions.
Check transformer and setting of taps. Use higher voltage on
transformer terminals or reduce loads. Increase wire size or
reduce inertia.
Look for cracks near the rings. A new rotor may be required.
Have motor service man check motor.

Troubleshooting
Trouble

Cause

Remedy

Wrong Rotation (Motor)
Geareducer Noise

Wrong sequence of phases
Geareducer bearings

Change any two of the three motor leads.
If new, see if noise disappears after one week of operation.
Drain, flush and refill Geareducer. See Geareducer User Manual.
If still noisy, replace.
Correct tooth engagement. Replace badly worn gears. Replace
gears with imperfect tooth spacing or form.
Tighten all bolts and cap screws on all mechanical equipment
and supports.
Make sure motor and Geareducer shafts are in proper alignment
and “match marks” properly matched. Repair or replace worn
couplings. Rebalance drive shaft by adding or removing weights
from balancing cap screws. See Drive Shaft User Manual.
Make certain all blades are as far from center of fan as safety
devices permit. All blades must be pitched the same. See Fan
User Manual. Clean off deposit build-up on blades.
Check fan and pinion shaft endplay. Replace bearings as
necessary.
Disconnect load and operate motor. If motor still vibrates, rebalance rotor.
Check fan and pinion shaft with dial indicator. Replace if necessary.
Tighten hub cover fasteners.
Adjust cylinder to provide blade tip clearance.
Check and tighten if necessary.

Gears
Unusual Fan Drive
Vibration

Loose bolts and cap screws
Unbalanced drive shaft or worn
couplings

Fan

Worn Geareducer bearings
Unbalanced motor
Bent Geareducer shaft
Fan Noise

Loose fan hub cover
Blade rubbing inside of fan cylinder
Loose bolts in blade clamps

SAFETY FIRST–The tower has been designed to provide a safe working environment while either operating
or shut down. The ultimate responsibility for safety rests with the Operator and Owner. When flow to the tower
is shut off or when portions of the tower require maintenance, temporary safety barricades may be required
around openings, and other safety precautions such as safety harnesses should be utilized where appropriate
for compliance with OSHA regulations and standards and good safety practices.
Routine periodic maintenance must
Ladders, Stairways,
be performed on all personnel access
Walkways, Handrails, Covers,
and material handling accessories in
Decks and
accordance with the following schedule:
Access Doors
Inspect for General Condition

Semi-annually

Inspect and Repair for Safe Use

Yearly

Inspect and Repair Before Each Use

Davits, Derricks, and Hoists

Semi-annually

As Required

Structural Members

Casing

Fan Cylinder

Stairs, Ladders, Walkway, Doors, Handrails

Davits, Derricks, Hoists

Inspection and Maintenance Schedule

General Recommendations

2. Check for unusual noise or vibration

3. Inspect keys, keyways and set screws

Control Valves

Suction Screen

Float Valve

Hot Water Distribution System

Cold Water Basin

4. Make sure vents are open
R

5. Lubricate (grease)

6. Check oil seals

7. Check operating oil level

8. Check static oil level

9. Check oil for water and sludge

10. Change oil

11. Check fan blade tip clearance

Fill

1. Inspect for clogging

Eliminator

Geareducer

Driveshaft and Guards

Motor

Fan and Fan Guard

—more frequent inspection and maintenance may be desirable

S
D

12. Check water level
W

13. Check for leakage
14. Inspect general condition

15. Tighten loose bolts

16. Clean

17. Repaint

18. Rebalance

19. Inspect/repair for safe use

20. Inspect and repair before each use

D–Daily W–Weekly M–Monthly Q–Quarterly S–Semiannually Y–Yearly R–as Required

Y
R

Inspection and Maintenance Notes

Inspection Checklist
Date Inspected

Inspected By

Owner

Location

Owner’s Tower Designation
Tower Manufacturer

Model No.

Process Served by Tower

Operation: Continuous ❑

Design Conditions GPM

°F CW

Serial No.
°F WB

Intermittent ❑

Seasonal

❑

°F

Number of Fan Cells
Condition: 1—Good 2—Keep an eye on it 3—Needs immediate attention
1 2 3

Comments

Structure

Casing Material

Structural Material

Fan Deck Material

Stairway?

Ladder?

Handrails?

Interior Walkway?

Cold Water Basin Material

Material
Material
Material
Material

Water Distribution System

Distribution System

Header Material

Manifold Material

Branch Arms

Nozzles—Orifice diameter

inches

Heat Transfer System

Fill

Inlet Face of Fill

Eliminators
Use this space to list specific items needing attention: ___________________________________________________________
____________________________________________________________________________________________________________
____________________________________________________________________________________________________________
____________________________________________________________________________________________________________
____________________________________________________________________________________________________________
____________________________________________________________________________________________________________
____________________________________________________________________________________________________________

Inspection Checklist
Condition: 1—Good 2—Keep an eye on it 3—Needs immediate attention

Mechanical Equipment

1 2 3

Comments

Gear Drive Units

Manufacturer

Model

Oil Level: Full ❑

Low, check again soon ❑

Oil Condition: Good ❑ Contains Water ❑

Oil Used—type

Seals

Back Lash

Fan Shaft End Play

Any Unusual Noises? No ❑

Contains Metal
❑

Yes

Contains Sludge ❑

Action Required:

❑

Drive Shafts

Add Immediately ❑

Ratio

Manufacturer

Material

Fans

Manufacturer

Fixed Pitch ❑

Diameter

Number of Blades

Blade Material

Hub Material

Hub Cover Material

Blade Assembly Hardware

Blade Tip Clearance

Vibration Level

Fan Cylinder Height

Mech. Eqpt. Support Mat’l

Oil Fill & Drain Lines

Oil Level Sight Glass

Vibration Limit Switches

Other Components

Motor

" min.

Manufacturer

Name Plate Data:

F.L. Amps

Last Lubrication—Date

Grease Used—Type

Adjustable Pitch

" max.

Phase

Cycle

Frame

S.F.

Special Info.

Any Unusual Noise?

No ❑

Yes ❑

Action Required

Any Unusual Vibration?

No ❑

Yes ❑

Action Required

Any Unusual Heat Build-up?

No ❑

Yes ❑

Action Required

RPM

Volts

❑

7401 WEST 129 STREET | OVERLAND PARK, KANSAS 66213 UNITED STATES | 913 664 7400 | spxcooling@spx.com | spxcooling.com
In the interest of technological progress, all products are subject to design and/or material change without notice.
©2009 SPX Cooling Technologies, Inc. | Printed in USA

Manual 93-1288A

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Producer                        : Adobe PDF Library 8.0
Trapped                         : False
Page Count                      : 20
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Spx Cooling Technologies Marley Class F400 Users Manual

F400 to the manual 99f1060d-f1a3-47a0-a115-6bc9c568e07e

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