SEI BAMBI MAX 1518 User manual

bambi max (all models)
operations manual
E
nvironmenta
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Bambi BucketEmergency Response
2012 Version A

2012 Bambi Max Operations Manual (Version A) 0
BAMBI MAX OPERATIONS MANUAL - Version A
Issue Date: MAY 2012
PLEASE READ BEFORE USING.
SEI INDUSTRIES LTD.
7400 Wilson Avenue
Delta, B.C. Canada
V4G 1E5
Phone: [phone]
Fax: [phone]
E-Mail: [email protected]
Website: www.sei-ind.com
COPYRIGHT © 2012 SEI INDUSTRIES LTD. ALL RIGHTS RESERVED
PRINTED IN CANADA

2012 Bambi Max Operations Manual (Version A) 1
Table of Contents
Section 1: Introduction to the Bambi MAX 1
Overview (All Models) ...................................................................................................1
Section 2: Preflight Safety Check 2
Safety Checklist ............................................................................................................2
Section 3: Deploying the Bambi Bucket 3
Deployment Instructions ...............................................................................................3
Attaching to the Cargo Hook ..........................................................................3
Head Orientation ............................................................................................3
Connecting Power ..........................................................................................4
Checking Suspension Cable Length ..............................................................4
Overall Lengths with Standard Rigging ..........................................................5
Shorter Suspension Cables ............................................................................6
Instant Deployment System (IDS) ................................................................................6
Section 4: Flight Operations 8
Flying the Bambi MAX ..................................................................................................8
Filling the Bucket ..........................................................................................................9
Variable Fill Capability ..................................................................................10
Using the Firesock ......................................................................................................10
Dumping the Bucket ...................................................................................................11
Introduction ...................................................................................................11
Dump Pattern ...............................................................................................11
Dump Speed .................................................................................................11
Landing .......................................................................................................................11
Section 5: Packing and Storage 12
Packing and Storing ...................................................................................................12
Packing the Bucket .......................................................................................12
Section 6: Specifications and Parts 16
Capacity and Weight Specifications ...........................................................................16
Section 7: Warranty 17

Section 1: Introduction to the Bambi MAX Overview (All Models)
2012 Bambi Max Operations Manual (Version A) 1
Section 1: Introduction to the Bambi MAX
Overview (All Models)
This manual provides helicopter operators with information on the operation of the Bambi MAX. For serv-
ice and maintenance information, please refer to the separate service manual for your specific model
number.
Since its introduction in 1983, the Bambi Bucket
has become the preferred means of helicopter fire
fighting for more than 600 companies and agen-
cies worldwide. This universal industry accept-
ance is the result of the Bambi Bucket’s
effectiveness, reliability, simplicity and ease of
use. There are several models of buckets available
as well as a number of accessories and enhance-
ments including Powerfill systems, Sacksafoam
systems, the Firesock, the Marine Recovery De-
vice and a remote power supply.
The operation of the Bambi MAX can be quickly
mastered by operators with no previous experi-
ence and the bucket requires no pre-assembly.
Once airborne, the operator can easily become fa-
miliar with the flight characteristics of the bucket.
Several test fills will also provide familiarity with
the variable-fill capability of the bucket.
Please read this manual prior to flying the bucket, partic-
ularly the sections on deploying, filling and dumping. For
your own protection, and for longer bucket life, always
read the instructions and warnings. Ignoring these warn-
ings could result in personal injury, bucket damage or air-
craft damage.
SEI Industries Ltd. offers complete parts supply and repair
services for the Bambi MAX. For a repair facility in your
area, please contact SEI. For maintenance and repair pur-
poses, parts diagrams and descriptions are provided in a
separate service manual (specific to your model). When
ordering parts, please provide the model and serial
number of your Bambi MAX.
For more copies of this manual, please contact SEI or visit our website at www.bambibucket.com for more
information on these products.
Bambi MAX inside bucket.
Bambi MAX

Section 2: Preflight Safety Check Safety Checklist
2012 Bambi Max Operations Manual (Version A) 2
Section 2: Preflight Safety Check
Safety Checklist
Along with the aircraft, the Bambi MAX should also receive a preflight inspection each day. Follow the
checklist below, beginning at the bottom of the bucket and working upwards.
1. Check the bottom chain looking for any tears in the fabric straps. Also, check the lockwire or tie
wraps on the shackles.
2. Check for loose bolts around the bucket shell; IDS brackets at the top, the wear strips at the bottom
and bottom rings.
3. Check the diagonal M-straps that connect the suspension cables to the top of the bucket, looking
for signs of wear or incorrect suspension line connections.
4. Check the suspension cables for frays, kinks or loose swages.
5. Check that the ballast is securely attached. Full ballast is essential for safe operations.
6. Check the head for secure shackles.
7. Once the Bambi MAX is hooked-up to 28V power, activate the valve several times to ensure that
the hook-up is correct.

Section 3: Deploying the Bambi Bucket Deployment Instructions
2012 Bambi Max Operations Manual (Version A) 3
Section 3: Deploying the Bambi Bucket
Deployment Instructions
Attaching to the Cargo Hook
Head Orientation
The Bambi MAX is rigged for a longitudinal cargo hook. Correct attachment is indicated when the ballast
on the Bambi faces forward in flight.
For this style of head, if using a swivel hook, always
operate in the locked position to assure that the ballast
is always facing forward in flight.
Caution
The Bambi MAX may not be suitable for a direct hook-up to the cargo hook. The actual hook-up
will be different for various aircraft and operators must comply with all instructions and bulletins
supplied by the aircraft manufacturer. It is the operator’s responsibility to ensure that the Bambi
MAX is correctly fitted to the helicopter.
Caution
It is important that the ballast faces forward in flight. This will avoid twisting of the suspension
lines and possible jamming of the tripline.

Section 3: Deploying the Bambi Bucket Deployment Instructions
2012 Bambi Max Operations Manual (Version A) 4
Connecting Power
The Bambi MAX’s electrical supply is connected through a breakaway plug. The purpose of the plug is to
offer a clean “breakaway” if the Bambi MAX has to be jettisoned from the aircraft in an emergency. If the
control cable is not secured to the longline, duct tape should be wrapped every 24-36" to prevent any damage
to the cable.
Checking Suspension Cable Length
Overall lengths of Bambi buckets with standard rigging are provided on the next page of this manual. Before
using the Bambi bucket, check for the maximum total length. To determine this length, measure the distance
from the cargo hook to the front tip of the tail rotor on the helicopter you will be using and subtract 6” (152
mm). To determine overall bucket length:
1. Stretch out the bucket on the ground; secure the head.
2. Pull out the dump valve fully, pulling taut to ensure the suspension cables are straight.
Warning
Using a Bambi bucket with a greater overall length than the distance from
the cargo hook to the front tip of the tail rotor on your helicopter could re-
sult in a tail rotor strike and possible loss of control of the helicopter which
could result in injury or death.
Measuring the bucket. If a Firesock is to be used, attach first and then measure to the bottom of
the sock. See Section 4: Flight Operations for information on how to use the Firesock.

Section 3: Deploying the Bambi Bucket Deployment Instructions
2012 Bambi Max Operations Manual (Version A) 5
Overall Lengths with Standard Rigging
3. If the Firesock is to be used, attach first and then measure to
the bottom of the sock.
4. Measure the distance from the shackle on the head to the
bottom of the shell. This measurement should be less than
the maximum total length as determined with the chart on
the previous page.
Note: Specifications subject to
change. Lengths are accurate to
within 1%.
Overall Length
Bambi
Model Feet Meters
1518 13’ 5” 4.09
1821 13’ 7” 4.14
2024 19’ 5” 5.92
2024S 15’ 2” 4.62
2226 15’ 5” 4.70
2732 23’ 0” 7.01
2732S 15’ 3” 4.65
3542 23’ 5” 7.14
4453 23’ 8” 7.21
5566 24’ 7” 7.49
6578 25’ 1” 7.63
7590 30’ 6” 9.30
HL4000 31’ 8” 9.65
HL5000 32’ 0” 9.75
HL7600 33’ 1” 10.08
HL9800 34’ 3” 10.44
Important Note
If a firesock is being used, add to the overall length shown in the chart above.

Section 3: Deploying the Bambi Bucket Instant Deployment System (IDS)
2012 Bambi Max Operations Manual (Version A) 6
Shorter Suspension Cables
If the overall length of the Bambi bucket exceeds the distance from the cargo hook to the front tip of the tail
rotor of the helicopter, shorter suspension lines and deployment lines must be used and can be ordered from
SEI. Please specify the model and serial number when ordering parts.
Instant Deployment System (IDS)
The instant deployment system uses a hub and
spoke mechanism to automatically expand the
mouth of the bucket as soon as the weight of the
Bambi MAX is taken up by the suspension ca-
bles.
When the bucket is full, the IDS deployment ca-
ble and hub restrainer cables should be slack as
they should not bear any load.
Their function is to position the hub and spoke
mechanism to hold the bucket open.
Important Note
A) Always measure the overall extended length of your Bambi bucket.
and
B) Measure the distance from the belly hook to the closest possible point on the tail rotor.
"B" must always exceed "A" by at least six (6) inches.
Important Note
It is recommended that operators, who choose to use the Bambi bucket with a longline, ensure that
the longline is at least 50’ long.
Correct IDS position.

Section 3: Deploying the Bambi Bucket Instant Deployment System (IDS)
2012 Bambi Max Operations Manual (Version A) 7
To deploy the IDS on the ground, reach into the bucket, grasp the hub of the IDS and pull outward fully until
the two restraining cables from the hub to the lower bucket shell are tight.
The IDS is normally set to the last chain link which is its correct position by the factory but, if the bucket
has been worked on by other people, it may have been accidentally positioned wrong. Corrections can be
made by returning it to its correct position.
The main parts of the IDS are illustrated in a separate service manual.

Section 4: Flight Operations Flying the Bambi MAX
2012 Bambi Max Operations Manual (Version A) 8
Section 4: Flight Operations
Flying the Bambi MAX
The Bambi MAX should be flown in accordance with the United States Forest Service recommendations
limiting all helicopters, other than tandem rotor, to a maximum 80 KIAS while conducting external cargo
hook operations.
The recommended never exceed speed (VNE) for the Bambi MAX is 80 KIAS, however, this is not a flight
manual limitation. Speeds above 80 KIAS should be approached with caution and any decision to exceed
this speed should be based on flight characteristics, aircraft flight manual limitations, aircraft/bucket config-
uration and load stability, etc.
Any change that exceeds our recommendation should be formally authorized in your company’s external
load specifications.
A suggested flight procedure is to build up speed slowly with the Bambi MAX, under prevailing conditions,
to determine a safe maximum flying speed. In order to reduce drag on the bucket when empty, it can be
flown in a valve open position by pressing the release mechanism once while in forward flight.
The dead weight of the load ensures different handling characteristics than when flying empty. As a result,
the Bambi MAX does not ‘pulse’ or ‘throb’ under load in flight.
Important Note
Bambi buckets can operate in any atmospheric conditions where icing conditions are not present.
If icing conditions are encountered during operations, in flight or on the ground, SEI cannot guar-
antee the reliable operation of the valve actuating mechanisms nor related components.
Operating the Bambi MAX at 0°C or below may have adverse effects on the operation of the buck-
et and also to the fabrics used in its manufacture. Please refer to this manual for information related
to proper storage.

Section 4: Flight Operations Filling the Bucket
2012 Bambi Max Operations Manual (Version A) 9
Filling the Bucket
Once the Bambi MAX touches the water surface, it immediately tips and sinks. This is a result of the ballast
on one side of the bucket which makes it unstable on the water. Opening the valve will make the bucket
sink faster but it should be closed once it is below the surface.
To fill the bucket from an open top tank, you will require a tank with a recommended depth as shown in the
chart below:
Warning
When filling the Bambi MAX, do not execute an abrupt 90 degree pedal turn with the helicopter
close to the water while towing the bucket. While filling, there is a danger that the Bambi MAX
suspension lines (as with any other external load) could get caught on a rear skid resulting in a dy-
namic rollover on liftout. This could cause personal injury and helicopter damage. Check the load
and suspension cables with your mirrors before liftout.
Bambi Height Required Tank
Height
Bambi
Model Inches Meters Inches Meters
1518 39 1.00 48 1.22
1821 41 1.04 56 1.42
2024 43 1.09 58 1.47
2226 44 1.10 60 1.52
2732 48 1.22 60 1.52
3542 57 1.45 78 1.98
4453 57 1.45 78 1.98
5566 62 1.57 84 2.13
6578 67 1.70 90 2.29
7590 73 1.85 96 2.44
HL4000 75 1.90 96 2.44
HL5000 80 2.03 110 2.80
HL7600 95 2.41 120 3.05
HL9800 106 2.70 120 3.05

Section 4: Flight Operations Using the Firesock
2012 Bambi Max Operations Manual (Version A) 10
Variable Fill Capability
In some areas, fire conditions require the reduction of bucket loads to accommodate weight restrictions
caused by high elevation operations.
The Bambi MAX has a gated valve system that allows the pilot to reduce the bucket load. By pressing and
releasing the dump switch as the bucket is being pulled from the water, the bucket weight can be reduced
until the desired load is reached as indicated by a load cell or torque gauge. As little as 2% can be shed in
this manner.
Using the Firesock
The Firesock, when attached to
the bottom of the Bambi MAX,
makes the bucket a more effec-
tive tool by increasing the aera-
tion of the foam when using a
Sacksafoam injection system.
The Firesock breaks down water
droplets (thereby increasing the
exposed surface area) when us-
ing straight water.
This simple design allows for im-
proved coverage and increased
drop accuracy as well as wider
and longer drop patterns.
To use your Firesock, simply attach the quick connect links onto the bottom chain and it’s ready for action.
When finished using it, make sure to:
• Inspect the Firesock for damage and make repairs.
• Clean the Firesock using fresh water.
• Store the Firesock, attached to the Bambi MAX, ensuring both are dry.
Attaching a Firesock to a Bambi MAX.

Section 4: Flight Operations Dumping the Bucket
2012 Bambi Max Operations Manual (Version A) 11
Dumping the Bucket
Introduction
To dump water from the bucket, push and hold the dump switch. As long as the switch is held, water will
flow from the bucket. Release the switch to stop the flow of water.
The valve may be opened and closed an unlimited number of times allowing the water load to be split into
as many parts as desired.
Dump Pattern
The dump pattern is affected by height and airspeed. It is most concentrated at lower altitudes and at a hover.
The pattern will spread with height and speed. Most operators take advantage of these characteristics to
maximize their assault on the fireline.
Dump Speed
Make dumps at slower speeds before progressing to faster dumps to get familiar with the flight characteris-
tics, while dumping, from your particular helicopter.
Landing
The recommended landing procedure allows the bucket to touch down ahead of the helicopter and then
maintain tension on the suspension lines by backing up slightly.
Do not drag the Bambi MAX over rough surfaces when landing or ground handling. This will damage the
bucket shell.
Warning
Ensure that ground personnel are clear from the dumping zone. Failure to do so could result in
serious personal injury.

Section 5: Packing and Storage Packing and Storing
2012 Bambi Max Operations Manual (Version A) 12
Section 5: Packing and Storage
Packing and Storing
Packing the Bucket
1. Collapse the IDS by pushing the hub into the
bucket.
2. Grab the head and pull the suspension lines taut.
Tape the lines together in two bunches.

Section 5: Packing and Storage Packing and Storing
2012 Bambi Max Operations Manual (Version A) 13
3. Insert the operations manual into the storage bag.
4. Gather the suspension lines into a coil and stow
inside the bucket. Place the head outside of the
bucket to prevent the possibility of the lines
tangling.
5. Place the head on top of the collapsed bucket.

Section 5: Packing and Storage Packing and Storing
2012 Bambi Max Operations Manual (Version A) 14
6. Roll the bucket into a bundle and wrap
with straps supplied.
7. Rotate shell until head is under the shell.
8. Take the carrying bag and drape it over
the bucket.

Section 5: Packing and Storage Packing and Storing
2012 Bambi Max Operations Manual (Version A) 15
9. Roll the bucket over and insert the manual.
10. Close with zipper and store with label
showing.
The Bambi MAX carrying bag makes a suitable shipping container when shipping via airfreight. Because
of the compactness of the Bambi, many operators carry it aboard the helicopter, at all times, during the fire
season. This allows for rapid deployment when required.

Section 6: Specifications and Parts Capacity and Weight Specifications
2012 Bambi Max Operations Manual (Version A) 16
Section 6: Specifications and Parts
Capacity and Weight Specifications
Note: Capacities and weights are accurate to within 5%. Specifications subject to change. Check original
head nameplate.
Capacity Gross Weight Empty Weight
Bambi Max
Model Imp Gal US Gal Liters lb kg lb kg
1518 150 180 680 1600 730 96 43
1821 180 210 820 1900 860 105 47
2024 200 240 910 2100 1000 143 65
2024S 200 240 910 2100 1000 140 64
2226 220 260 1000 2100 1100 142 65
2732 270 320 1200 2900 1300 151 69
2732S 270 320 1200 2900 1300 149 68
3542 350 420 1600 3700 1700 158 72
4453 440 530 2000 4600 2100 220 98
5566 550 660 25000 5800 2600 270 120
6578 650 780 3000 6900 3100 350 160
7590 750 900 3400 7900 3600 370 170
HL4000 880 1100 4000 6200 4200 390 180
HL5000 1100 1300 5000 11000 5200 410 190
HL7600 1700 2000 7600 17000 7800 480 210
HL9800 2200 2600 9800 22000 10000 550 250
Caution
The selection of a Bambi bucket model for a specific aircraft is dependent on many factors
including aircraft weight, fuel weight, operation elevation and atmospheric conditions.
The helicopter operator must select a bucket model which is appropriate for their specific
situation.
The operator must also ensure that the bucket selected does not pose a tail rotor strike hazard.

Section 7: Warranty
2012 Bambi Max Operations Manual (Version A) 17
Section 7: Warranty
SEI Industries Ltd. (the company) agrees to grant a warranty for a period of one year from the date of purchase of Bam-
bi bucket systems on the following conditions:
a) The company’s sole obligation under this warranty is limited to repairing or replacing, at the company’s sole discre-
tion, any product shown to be defective.
b) The company’s products are not guaranteed for any specific length of time or measure of service, but are warranted
only to be free from defects in workmanship and material for a period of one year to the original purchaser.
c) To the extent allowable under applicable law, the company’s liability for consequential and incidental damages is
expressly disclaimed. The company’s liability in all events is limited to and shall not exceed, the purchase price
paid.
d) This warranty is granted to the original purchaser of Bambi bucket systems and does not extend to a subsequent
purchaser or assignee.
e) The company must receive notification in writing of any claims of warranty from the original purchaser which must
give details of the claimed defect in the product.
f) Where the original purchaser is claiming under warranty, the product must be returned to the company for inspection
with all transportation and duty charges prepaid.
g) The warranty does not extend to any product that has been accidentally damaged, abraded, altered, punctured,
abused, misused or used for a purpose which has not been approved by the company.
h) This warranty does not apply to any accessories used with the product that are not supplied by the company and any
warranty on such accessories must be requested from the manufacturer or dealer of the accessories.
i) In the event the original purchaser does not give notice of a warranty claim, within one year of the original purchase
of the product, it is understood that the purchaser has waived the claim for warranty and the purchaser and/or any sub-
sequent purchaser must accept the condition of the product, without warranty.
j) Any technical information supplied by the company regarding the product is not a condition of warranty but rather
is information provided by the company to the best of its knowledge.
k) There are no implied warranties nor is there any warranty that can be assumed from any representation of any person,
except the company itself.
Exclusions
l) This warranty is void if the product is not installed, used and/or maintained in accordance with the operations manual
supplied by SEI.
m) All Bambi buckets are designed and manufactured with substantial safety margins. It is the responsibility of the
user to ensure that the bucket is maintained to a safe standard.