Waterous Eclipse ES TC20 Guía de instalación

Read through the safety information and oper-

ating instructions carefully before using your

Waterous Eclipse™ CAFSystem.

Table of Contents

Safety Information........................................................2

General Description.....................................................3

Standard Items Furnished / Shipped Loose...................4

General Information.....................................................5

Auto Sync Control Panel................................................5

Unload / Fixed / Auto Control Valve............................5

CAFS Nozzle / Flow Rate / Hose Combinations............5

Nozzles

.......................................................................5

Foam Concentrate Ratios

...........................................5

Hose............................................................................5

Operation ......................................................................6

Water Pumping Operations............................................6

Advantus Foam Operation (Optional) ............................6

Foam Solution Operations .............................................7

Compressed Air Foam Operations ................................8

Compressed Air Only.....................................................8

Shut Down Procedure..................................................9

Compressed Air Foam Operations ................................9

Compressed Auto Shut Down ....................................9

Service and Maintenance............................................9

Poly Chain Replacement and Adjustment...............10

Calibration - Control Air Circuit................................12

Troubleshooting Guide..............................................13

Control Air Circuit Function......................................16

Eclipse ES CAFSystem Operation and Maintenance Instructions

Allcontent inthis instructionis propertyof the Waterous Company. Instructions subjecttochange without notice.

Waterous Company 125 Hardman Avenue South, South St. Paul, Minnesota 55075 USA (651) 450-5000

Instructions subject to change without notice.

Visit us at www.waterousco.com

Eclipse ES Op-

eration &

Maintenance

Eclipse ES CAFSystem

Eclipse ES CAFSystem Operation and Maintenance

Form No.

F-1031

Section

2119

Issue Date

04/07/03

Rev. Date

10/17/18

F-1031, Section 2119

Page 2 of 24

Death or serious personal injury might occur if proper

operating procedures are not followed. The pump op-

erator, as well as individuals connecting supply or

discharge hoses to the apparatus must be familiar

with these pump operating instructions as well as

other operating instructions and manuals for the ap-

paratus, water hydraulics and component limitation.

Pressure Hazard. May result in personal injury.

Prior to connection or removal of hoses, caps or

other closures with pump intake or pump discharge

connections, relieve pressure by opening drains or

bleeder valves. Bleeder valves should also be used

while filling a hose connected to an intake with water.

Scalding Water Hazard. May result in serious burns.

When operating the pump, be sure to open at least

one discharge valve slightly to prevent the pump from

overheating. If the pump runs for a few minutes com-

pletely closed, it may heat the water enough to scald

someone when the valve is opened. Overheating can

damage the packing, seals and other pump parts. If

the apparatus builder has installed a by-pass system

or other provision designed to prevent overheating,

opening a discharge valve may be unnecessary.

Hose Pressure Hazard.

May cause serious personal injury.

Use only fire hose that is rated at 200 PSI (12.8 bar)

or higher working pressure.

Air Discharge Hose and Nozzle Heat Hazard.

May cause severe burns.

Hose and nozzle used for air discharge will be-

come hot due to the hot air flowing through it.

Wear protective gloves. Also be prepared for noz-

zle reaction when air discharge and nozzle are

opened.

Air Source Hazard.

May cause serious personal injury or death.

Do not use the compressed air foam unit as an air

source for any self-contained breathing apparatus

(SCBA) or any breathing air supply.

“Slug Flow” Hazard.

May cause personal injury to the hose operator.

Foam concentrate must be present before the pres-

ence of compressed air to prevent the condition known

as “slug flow.” If foam concentrate is not present, un-

mixed water and air will be discharged through the

nozzle in an erratic matter.

Pressure Hazard.

May cause serious personal injury.

Discharge outlets that are capped, hose lines that are

valved and charged and the air compressor sump

may contain compressed air. Relieve all pressure be-

fore attempting to remove any caps, fittings, nozzles

or to perform maintenance to prevent serious injury.

Nozzle Reaction Force Hazard.

May cause personal injury to the hose operator.

Nozzle reaction force is significantly increased at the

time the nozzle is opened in compressed air foam op-

eration. Open CAFS nozzles slowly.

NOTICE

When towing, disconnect the drive shaft that con-

nects the pump transmission’s rear output (coupling)

shaft to the vehicles differential. Failure to do so may

result in damage from lack of lubrication.

WARNING

Safety Information

Read through the safetyinformation and operating instructions before using your Waterous Fire Pump.

F-1031, Section 2119

Page 3 of 24

The air compressor system used by the Waterous

EclipseES is a Pneumax / GHH Rand model CF75DG,

oil flooded rotary screw type. Rotary screw air compres-

sors are very common in industrial applications. This type

of compressor injects oil into itself, where it lubricates,

seals, cools and silences the compressor. The oil is then

entrained into the air discharge from the compressor. This

air/oil mixture is discharged into the sump tank where

most of the oil separates from the air. The oil is then sent

via hydraulic hose to a combination filter/cooler unit. It is

filtered and cooled to remove compression and friction

heat, and sent to the oil injection port on the compressor.

The cycle is then repeated.

The oil mist that remains in the airstream is recovered by

an air/oil separator system. This system recovers the oil

mist in a spin-on cartridge that has a siphon tube that

picks-up the recovered oil for return to the air compressor.

The compressor’s air output is controlled by a modulating

inlet valve. The inlet valve is opened and closed by the

Auto Sync pressure control system.

The compressor cooling system circulates water from the

fire pump through the compressor oil cooler and back to

the pump inlet to remove heat from the compressor oil

system. The compressor oil temperature is typically in the

200 - 225F range. Under maximum running condition, the

compressor oil temperature may reach 235F. If the oil

temperature exceeds 235F, check the water supply, wa-

ter strainer, pump prime, restrictions in the cooling water

system and for low oil level in the sump.

The air compressor (air end) is driven via a PolyChain

and pneumatic clutch through the pump transmission uti-

lizing an extended impeller shaft. It is important to en-

sure that there is a water supply from the fire pump

whenever the compressor is running. Pump and/or

compressor damage may result from running the

pump without adequate water flow.

General Description

F-1031, Section 2119

Page 4 of 24

Standard Items Furnished

Installed On Compressor

Components Installed Remotely from the

Compressor on the Vehicle by the OEM.

Ref. No.

Description

Ref. No.

Description

Fire Pump (Separately Mounted for P.T.O.

Applications

Air/Oil Separator

Fire Pump Transmission or P.T.O

Oil Cooler

Pneumatic Clutch

Air Filter and Elbow

PolyChain Belt

Compressor Oil Sump

Belt Adjustment Hardware

19A

Safety Relief Valve

Air Inlet Valve

Oil Temperature Gauge

Auto Balancing Valve

Oil Temperature Sensor

Air Clutch Solenoid

Oil Cooler Water Strainer and Flush Valve

Air Compressor

Electric Auto-Sync Control Panel

Electrical Relay Panel

Air System Operation Panel Plate

Balance Trim Valve (BTM)

CAFS Hose Specification Plate

Air Inlet Trim Valve (AITV)

Clutch Air Regulator (P.T.O. Applications Only)

#4 JIC Connection for Oil Scavenger Line

NOTE: Unit shown with belt cover removed.

F-1031, Section 2119

Page 5 of 24

Unload / Fixed / Auto Control Switch

Once the compressor’s clutch is engaged, the Unload /

Fixed / Auto control switch allows the operator to select

between three air compressor pressure modes:

1. Unload (Standby) - The air compressor essen-

tially idles, producing a minimal pressure (40 PSI)

to maintain compressor oil flow. The compres-

sor’s clutch shall only be engaged when the Un-

load / Fixed / Auto switch is in the “Unload” posi-

tion and master air pressure gauge reads “0” PSI.

2. Fixed - air pressure is maintained at a preset pres-

sure setting (150 PSI).

3. Auto - air pressure matches water discharge pres-

sure.

NOTE: For an explanation of Control Air Circuit func-

tion during each operation mode, see Page 16.

Hose Pressure Hazard.

May cause serious personal injury.

Use only fire hose that is rated at 200 PSI or higher

working pressure.

CAFS Nozzle / Flow Rate / Hose Com-

binations

Nozzles

Compressed air foam can be discharged through various

types and sizes of nozzles. Fog nozzles break-down the

bubble structure of the foam, resulting in a “wetter” or re-

duced expansion foam. Similarly, when utilizing smooth

bore nozzles with a given hose diameter, smaller tips will

discharge “wetter” foam.

Foam Concentrate Ratios

Proportioner settings of 0.2% and 0.3% are typically ade-

quate to produce compressed air foam that is formed in a

hoseline and used on Class A combustibles. Higher set-

tings will result in a “drier” appearing foam. Lower settings

may result in “slug flow” or discharge pulsation caused by

insufficient foam concentrate in the solution to form foam

in the hoseline.

For Class B or other type foam ratio settings, follow in-

structions provided by the foam concentrate manufac-

turer.

Hose

Utilize fire hose that is rated by the hose manufacturer for

use with CAFS. Since the foam is formed during its transition

through the hoseline, it is important to utilize the minimum

recommended hose lengths, unless a static mixer is used.

There issignificantly less friction and head loss withcom-

pressed air foam as compared to water or foam solution;

therefore, effectivefire streams can be achieved with longer

hose lays. Refer to the SuggestedGuidelines for the Produc-

tion of Mid-Range Compressed Air Foam on Page 6.

NOTE: CAFS has the ability to produce a foam of

shaving cream consistency. While this type of foam is

highly stable and possesses a long drain time, it is

essential to ensure that the foam will release suffi-

cient water to extinguish a fire in a direct attack situa-

tion. This type of foam is typically suited for defensive

operations such as exposure protection, barriers or

fuels pretreatment.

WARNING

General Information

Electric Auto-Sync Control Panel

IL3012

F-1031, Section 2119

Page 6 of 24

Typical CAFS Flow - Hand Line

Hose Diameter

Tip Size

Foam Type

Water Flow (GPM)

Air Flow (CFM)

Discharge

Pressure (PSI)

Min. Hose Length

1”

1/2”

Wet

100

35’

1”

3/4”

Wet

100

35’

1”

3/4

Fluid

100

35’

1-1/2”

15/16”

Wet

100

100’

1-1/2”

1-3/8”

Fluid

110

100

100’

1-3/4”

15/16”

Wet

100

100’

1-3/4”

1-3/8”

Fluid

130

100

100’

2-1/2”

15/16”

Wet

120

100

150’

2-1/2”

1-3/8”

Wet

190

100

150’

2-1/2”

2”

Fluid

155

100

150’

Typical CAFS Flow - Portable Master Stream (Fed byOne 2-1/2” Line)

Hose Diameter

Tip Size

Foam Type

Water Flow

(GPM)

Air Flow (CFM)

Discharge

Pressure (PSI)

Min. Hose Length

2-/1/2”

1-3/8”

Wet

300

100

140

150’

2-1/2”

1-1/2”

Wet

340

120

140

150’

2-1/2”

1-3/4”

Wet

380

135

140

150’

2-1/2”

2”

Wet

400

140

150’

Wet Foam: Melted ice cream consistency - Fire Attack

Fluid Foam: Shaving cream consistency - Exposure Protection

A pumper equipped with an EclipseES compressed air

foam unit can be operated in several pumping modes; wa-

ter only, foam solution without compressed air, com-

pressed air foam and compressed air only for support op-

eration such as operating air tools, filling rescue air bags,

etc. It is possible to pump water from one discharge, foam

solution from another discharge while pumping com-

pressed air foam from yet another, or varying foam con-

sistencies (expansion ratios) from different discharges

simultaneously.

NOTE: Monitor compressor instruments during all op-

erations.

Water Pumping Operations

All unit operations begin with pumping water. See the fol-

lowing instruction for details on how to operate and pump

water from your Waterous fire pump:

· F-1031, Section 2117, Operation and Maintenance In-

structions for Waterous S100 Series Centrifugal Fire

Pumps or

· F-1031, Section 2109.1, Operation and Maintenance

Instructions for Waterous CX Series Centrifugal Fire

Pumps

For water only operations, the compressor switch should

be in the “OFF” position which disengages the air com-

pressor.

CAUTION

Overheating hazard.

May cause damage to the pump and/or compressor.

Running the unit without adequate water flow can

cause damage to the pump and/or the air compressor

system.

AdvantusFoam Pump Operation (Optional)

Upon power up, the software revision number will be dis-

played. The unit will then display the flow rate.

Because the conductivity measurement for a given per-

centage mix changes with the flow rate, the calibration

data is stored in an array. The array holds entries for the

various parameters at several different flow rates that are

in between flow rates entered in the data array.

Operation

Operator Interface Terminal

F-1031, Section 2119

Page 7 of 24

During normal operation, the OIT will display flow rate, percent mix, total water or total product.

SELECT

Selects data to display. The default is to display flow rate. Pressing the SELECT button will

scroll through the list, then wrap back around to the top of the list. The associated LED will

light to indicate what data is being displayed.

Flow Rate

Mix Percentage

Total Water

Total Product

Holding the SELECT button for more than two seconds will lock the display to the current po-

sition. Pressing the SELECT button again will unlock.

UP ARROW

When the Mix Percentage is displayed, the current mix setpoint will be displayed. Subse-

quent presses of the UP ARROW button will increase the Mix Setpoint by 0.1%. After a ten

second timeout, the display will return to the Flow Rate display.

DOWN ARROW

When the Mix Percentage is displayed, the current mix setpoint will be displayed. Subse-

quent presses of the DOWN ARROW button will decrease the Mix Setpoint by 0.1%. After a

ten second timeout, the display will return to the Flow Rate display.

Pressing both UP and DOWN simultaneously when the Total Water is displayed resets the

Total Water accumulator to Zero.

Pressing both UP and DOWN simultaneously when the Total Product is displayed resets the

Total Product accumulator to Zero.

Pressing both UP and DOWN simultaneously when the Flow Rate is displayed enters the

MANUAL mode of operation. See Manual Mode operation below.

Pressing both UP and DOWN simultaneously while in Mix % will go to the default %.

FOAM

Pressing the FOAM key will alternately start and stop the foam operation. When the control-

ler is running, the FOAM LED will be lit. The FOAM LED will blink when the motor control

output is active. The LED will be lit and not blink during the initial pump delay, or when the

system is on, but no water flow is detected.

If flow is detected, and one or both of the sensor inputs reads full scale, an open sensor error

will be flagged. The error SEn1 or error SEn2 will be displayed when the FOAM button is

pressed to indicated that the system is non-functional. In this case, the Manual Mode will be

functional and must be used.

MANUAL MODE

If the display is showing the flow rate and the two ARROW keys are pressed simultaneously,

the % MIX LED will be lit and the display will s how a default value of 2.0. Use the UP and

DOWN arrow keys to increase or decrease this value in steps of 0.5.

NOTE: Pump output is based on a theoretical ratio of foam to water at 50 GPM.

Pressing both ARROW keys again exits the MANUAL mode and stops the pump.

NOTE: Motor/Pump Assembly will operate in manual mode whether or not there is a

water flow. If the INJECT/BYPASS valve is in the INJECT position, foam concentrate

will be injected into the system, which will waste concentrate.

AUTO RUN

The system is equipped with an AUTO RUN feature. If the voltage (+12 or 24 VDC) is ap-

plied to position 1 on the terminal strip, it will have the same effect as pressing the Red

FOAM button. This will start the Foam system. The system will not inject foam until water is

flowing.

Foam Solution Only Operation

To begin using a foam solution, follow the instructions

above for Water Pumping Operations. After the pump is operating, turn on the foam pump to in-

ject foam concentrate into the water stream. See Page 6

for Advantus instructions or refer to FoamProSystems

2001 and 2002 Installation and Operation Manual, P/N L-

0825, if equipped with a Foam Pro System.

F-1031, Section 2119

Page 8 of 24

Compressed Air Foam Operations

The EclipseES CAFS design provides a minimum air

flow of 80-90 SCFM @ 125 PSI whether the pump oper-

ates from draft, tank or hydrant. At a typical engine idle

speed (600-700 RPM) and a pump transmission ratio of

2.27, the air compressor is capable of delivering 80-90

SCFM of 125 PSI air.

CAUTION

Operating Speed Limit.

May cause damage to the pump and/or air compressor.

The Eclipse ES compressor has a maximum operat-

ing speed of 8950 RPM. Do not allow the compressor

to run beyond 8950 RPM.

Compressor speed can be calculated by (Engine

Speed) x (Pump Transmission Ratio) x 2.5 .

CAUTION

Compressor Starting Hazard.

Starting compressor under pressure may cause

damage to the clutch and/or kill the engine.

Allow ample time for the compressor to bleed down

before engaging the compressor.

“Slug Flow” Hazard.

May cause personally injury to the hose operator.

Foam concentrate must be present before the pres-

ence of compressed air to prevent the condition

known as “slug flow.” If foam concentrate is not pre-

sent, unmixed water and air will be discharged

through the nozzle in an erratic matter.

To begin compressed air foam operations, follow the in-

structions above for Foam Solution Operations.

NOTE: Discharge pressure for compressed air foam

operations typically range between 80 and 120 PSI in

a flow state. Set the water discharge pressure at the

desired level.

NOTE: Compressed air foam does not have the hy-

draulic characteristics of plain water or foam solution;

therefore, standard pump hydraulics practices do not

apply to CAFS operations.

Nozzle Reaction Force Hazard.

May cause personally injury to the hose operator.

Nozzle reaction force is significantly increased at the

time the nozzle is opened in compressed air foam op-

eration. Open CAFS nozzles slowly.

After the pump and foam proportioner are operating, per-

form the following:

1. Place the Auto Sync control in the “UNLOAD” po-

sition and check master air pressure gauge reads

“0” PSI.

2. Engage the air compressor by moving the com-

pressor switch to the “ON” position.

3. Move the Auto Sync control to the “AUTO” posi-

tion. The air pressure should rise to within plus or

minus 5% of the water discharge pressure. The

Auto Sync system will balance the air and water

pressures plus or minus 5% throughout a range

of 40 PSI and up to 150 PSI .

4. Set proportioner at 0.2% - 0.4% for normal Class

A combustibles. Proportioning rates are dictated

by the type and brand of foam concentrate used

and the tactical objective.

5. Open desired discharge valve(s) to a half-open

position. The foam expansion ratio is set by con-

trolling the amount of foam solution entering the

discharge stream. High solution flows (discharge

valve fully open) restrict the amount of air admit-

ted and result in lower expansion or “wet” foam.

To produce higher expansion or “drier” foam,

simply reduce the amount of solution admitted by

gating back the discharge valve.

6. Open the air valve(s) to the desired discharge(s).

Adjust the solution flow (discharge valve setting)

to produce the desired foam consistency.

Compressed Air Only

For compressed air only operation, the fire pump must be

equipped with a discharge bypass system designed to re-

circulate booster tank water through the fire pump for

cooling. The bypass system must be in operation before

running compressed air only.

Air compressor cooling is via water from the booster tank

that is circulated by the fire pump through the compressor

cooler and returned back to the pump inlet. Compressed

air only operation time is limited by the amount of availa-

ble cooling water. The water in the booster tank will even-

tually become heat saturated and ineffective at cooling the

air compressor.

CAUTION

Overheating Hazard.

May cause damage to the pump and/or compressor.

Pump water may overheat when using the Eclipse

as an air compressor for an extended period of time.

Limit the amount of time the EclipseES is used as

an air compressor to prevent damage to the pump or

air compressor. Monitor the compressor temperature

gauge closely. Compressor system overheat is also

indicated by the panel mounted warning light system.

NOTE: Extended compressed air only operations ne-

cessitate connection of an external water source to

the pump inlet and closing of the tank to pump valve

for proper compressor cooling.

WARNING

F-1031, Section 2119

Page 9 of 24

After engaging the fire pump, ensure that the water pres-

sure rises on the panel mounted master pressure gauge.

1. Place the Auto Sync control in the “UNLOAD” po-

sition and check master air pressure gauge reads

“0” PSI.

2. Engage the air compressor by moving the com-

pressor switch to the “ON” position.

3. Move the Auto Sync control to the “FIXED” posi-

tion. Air pressure will rise to the preset pressure

setting on the air compressor, approximately 150

PSI (10 bar) with the engine throttled-up.

Air Source Hazard.

May cause serious personally injury or death.

Do not use the compressed air foam unit as an air

source for any self-contained breathing apparatus

(SCBA) or any breathing air supply.

4. For lower operating pressures: Move the Auto

Sync controls to the AUTO position and use the

engine throttle to control the air pressure.

5. Connect the air discharge hose to the fitting on the

pump operator’s panel and open the air supply

valve.

Compressed Air Foam Operations

To shut down compressed air foam operations, follow the

instructions below:

1. Close air valve(s) to the discharge(s).

2. Turn off foam proportioner.

3. Flow clear water through discharge hose(s) until

no bubbles are present.

4. Close discharge valve(s).

5. Place the Auto/Sync control in the “UNLOAD” po-

sition.

6. Move the air compressor switch to the “OFF” po-

sition.

After the compressor is disengaged, the system will vent

itself, creating an audible hiss as compressed air is evac-

uated from the pressure vessel/sump.

The EclipseES air compressor is equipped with a com-

pressor overheat auto shut down. This auto shut down is

present to protect the compressor system from severe

damage if such an event should occur.

Compressor Overheat

If high oil temperature (250and above) is detected in the

compressor, the compressor clutch will disengage, the

compressor will stop and the Compressor Overheat light

will illuminate. The water pump and foam proportioning

systems will continue to operate and are not affected by

the compressor shut down. To re-start perform the follow-

ing:

1. Correct the fault, check oil level, cooling lines, re-

circulation line (if operating from tank), etc.

2. Reset auto shut down circuit by:

3. a.Placing the Auto Sync Control to “Unload”.

4. b.Move the compressor engage switch to the

“OFF” position.

The compressor can now be restarted by following the

standard instruction found in the “Operation” section. If for

any reason the fault has not been corrected when turning

the compressor engage switch “ON”, the auto shut down

will activate immediately and the Compressor Overheat

light will illuminate.

Pressure Hazard.

May cause serious personally injury.

Discharge outlets that are capped, hose lines that are

valved and charged and the air compressor sump

may contain compressed air. Relieve all pressure be-

fore attempting to remove any caps, fittings, nozzles

or to perform maintenance to prevent serious injury.

Excessive heat build-up and oil system contamination are

the most common causes of compressor system prob-

lems and premature wear. With proper operation and

maintenance, the compressor system should far outlast

the vehicle it is mounted on. Adherence to the following

guidelines will prevent potentially costly damage.

1. There is a sight gauge provided on the oil reser-

voir/sump tank. The oil level should be at approx-

imately half-way up the window. Check the oil on

level ground, prior to system start up (system

holds approximately 2 to 3 gallons of oil). If the

system has recently been run, wait 10 minutes af-

ter shut-down for the oil to stabilize before check-

ing the oil level. The compressor uses a non-

foaming hydraulic oil. This oil is classified by an

ISO standard as ISO 68 viscosity and is sold un-

der various trade names. Many are sold as an

“anti-wear” hydraulic oil and are available from

auto parts or lubricating oil suppliers.

WARNING

Shut Down Procedure

Compressor Auto Shut Down (Overheat)

Service and Maintenance

F-1031, Section 2119

Page 10 of 24

2. The compressor needs to be cycled on a regular

basis. Run the compressor with air flowing,

weekly for 15-20 minutes. This will insure the

compressor rotors are coated with lubricant and

eliminate any moisture that may be present in the

compressor.

3. The oil should be changed after the first 30 hours

of system operation. After that, the oil should be

changed annually. There is a drain plug located at

the bottom of the oil cooler (see Oil Cooler Drain

Locations). The oil fill cap is located on top of the

sight gauge.

4. Change the compressor system spin-on oil filter

at the same time as the oil is changed.

5. Run the compressor for two minutes after chang-

ing the oil, then re-check the oil level and add oil

as necessary. Do not overfill.

6. Visually inspect the compressor oil system weekly

for signs of leaks.

7. A water strainer is installed on the oil/water cooler

inlet (see Oil Cooler Drain Locations). The water

strainer should be checked and cleaned weekly.

A plugged strainer will restrict cooling water and

cause overheating of the compressor system.

8. Check the air compressor PolyChaindrive for

damage or excessive wear semi-annually or more

frequently as dictated by the amount of use. Belt

tension may be checked by applying a 10-12 lb.

load to the belt, mid-span between drive and

driven sprocket. The belt should deflect .250 to

.313”.

Towing

When towing, disconnect the drive shaft that connects

the pump transmission’s rear output (coupling) shaft

to the vehicles differential. Failure to do so may result

in damage from lack of lubrication.

Poly Chain Replacement and Adjustment

9. The belt tension is set at the factory. No further

adjustment is required unless the belt is loosened

or removed to service other components.

When installing a synchronous belt, be sure it ten-

sioned adequately to prevent tooth jumping (rachet-

ing). Avoid extremely high tension which can reduce

belt life and possibly damage other drive components.

a. Remove the belt cover.

b. Loosen idler sprocket.

c. Turn the adjustment screw clockwise to

increse the belt tension. Adjust spring

height to 1-1/8 in.

d. For a new belt, set the tension to allow

1/4 - 5/16 inch of belt deflection when

10-12 lbs of force are applied at the cen-

ter of the greatest span. Do not over-

tighten the belt.

e. Apply loctite #242/243 (blue) to threads

and tighten the idler sprocket. Torque to

230 ft-lbs.

f. Install the belt cover.

Oil Cooler Drain Locations

Eclipse Belt TensionAdjustment

IL3499

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