TB 067 - Holmatro Rescue Tool Flashcards by Zane Archer

is a hydraulically powered device used primarily for vehicle extrications and can be used in heavy rescue applications.

The Holmatro Rescue Tool

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The Holmatro Rescue Tool carried by Truck companies consists of:

Power unit(2)
Spreaders
Cutters
Telescopic rams(2)
Hoses
Couplers
Pressure relief device
Sequent

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Power unit
Both units are powered by __ cycle, air cooled ______ engines and use a _______ __________ pump to draw and pressurize hydraulic fluid from the reservoir, direct the fluid through the hose and finally through the tool.

4 cycle
Honda engines
Positive displacement pump

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Both power units utilize a two-stage pump design capable of producing ________ psi. Initial extrication operations will only require use of the first stage pump, which is near _______ psi.

10,500 psi
3,000 psi

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When an operation requires stronger tool forces, the second stage will “_______” which can increase the hydraulic pressure up to 10,500 psi.

Kick in

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Power unit

This “_____ ______” to the second stage can be recognized by a momentary “________” of movement of the tool followed by a continued movement in the direction selected.

Change over
Stalling

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Members using the tools need to keep the trigger handle in the desired
position during the “change over” phase to utilize the ________ ________ of the pump.

Second stage

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The fluid used in both pumps is a ____-weight mineral based hydraulic fluid that is ______ or ________ ________ in color and is non-corrosive.

22 weight
Pale or light yellow

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The fluid of the power unit is known as the _____ ______of the system

Life blood

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PPU 15

__ lbs.
___ horsepower Honda engine
_______ rpm (set at factory)
_____ quarts regular unleaded gasoline
_______ cc usable hydraulic fluid
_______ tool operation

35 lbs
2.5 hp
4500 rpm
1.3 quarts
2000 cc
Single tool

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DPU 30

___ lbs.
___ horsepower Honda engine
______ rpm (set at factory)
____ quarts regular unleaded gasoline
______ cc usable hydraulic fluid
_______ pump for simultaneous tool use

58 lbs
3 hp
3600 rpm
1.5 quarts
3000
Dual

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SPREADERS
There is currently one spreader unit used on the truck companies. It is model

3260 UL

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Spreaders

The trigger handle is of the “______ ______” design which when rotated _________, causes the spreader to open.

Dead man
Clockwise

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Spreaders

To close rotate trigger

Counterclockwise

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Spreaders

When released from either position, spring tension will cause the trigger to return to the _______ position and movement of the tool will cease.

Neutral

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A built-in _______ ______ will keep the tool in its current position when the trigger handle is released while under load in either direction.

Check valve

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Spreaders

There are two shackles provided for the spreader. They are equipped with a “_____ ______” used to connect to the ____ rated chain also provided.

Grab hooks
C-8

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Spreaders

To install the shackles, first depress the spring-loaded buttons located towards the______ of the spreader arms and remove the tips.

Ends

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Spreaders

Next align the shackle on the end of the each spreader arm, _________ the buttons and slide the shackle on until the buttons __________________________.

Depress
Pop back out

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Spreaders

There are also ______ cutter tips included for panel cutting. Usually only one cutter tip is used, while one _________ tip is used as a base.

Two
Spreader

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Uses for the cutter tips include ______ vans, _______ skins, _______-_______ or any other time when large panels of sheet metal need to be cut.

Panel vans
Aircraft skins
Semi-trailers

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All cutters also utilize the “_____ ______” trigger handle design. When the trigger is rotated in the clockwise direction, the cutter blades will ______ and when rotated counterclockwise, the blades will ______.

Dead man trigger
Open
Close

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Because of the powerful force employed while cutting with the Holmatro
cutters, extreme care should be used to ensure that the tips of the cutters ______ ______ _______ _______ on the opposite side of the blades.

DO NOT cross over

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Cutters

Care should also be used to ensure that the material being cut does not cause the cutter to _______ and allow the blades to separate while cutting.

Twist

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Three models of cutters are currently being used by the LAFD.

3020 UL 3035 NCT(NEW CAR TECHNOLOGY) 4050 NCT

3020 UL ________ lbs. cutting force ______" opening _______ lbs.

63,400 5 1/4’’ 27 1/2 LBS

3035 NCT (New Car Technology) _________ lbs. cutting force _________" opening ________ lbs.

57,320 5 5/8’’ 33 1/2LBS

4050 NCT (New Car Technology) _________ lbs. cutting force _______" opening _______ lbs.

208,00 7 1/8’’ 37 1/2LBS

TELESCOPIC RAMS Rotating the handle in the clockwise direction will cause the ram to ________. Rotating the handle in the counterclockwise direction will ________ the ram.

EXTEND RETRACT

TELESCOPIC RAMS Both rams are of the two-stage design whereas there is a _________ within a _______ that extends from the main body of the tool.

Plunger within a plunger

Telescopic rams The ram extends from the end nearest the _______.

Handle

Telescopic ram There is no provision for the use of the telescopic rams for a

Pulling operation

There are two models of telescopic rams currently carried by Truck companies.

3340 3350

Telescopic rams 3340 ___" retracted to ____" fully extended ________ lbs. force - 1st stage, __________ lbs. force - 2nd stage ____ lbs

12’’ retracted to 23’’ fully extended 49,210 18,210 24 lbs

Telescopic rams 3350 ___" retracted to _______" fully extended ________ lbs. force - 1st stage, ________ lbs. force - 2nd stage ___ lbs.

21’’ retracted to 50 1/4 extended 49,210 18,210 37 lbs

can be used in conjunction with the telescopic rams.

HRS 22 ram support

HRS 22 The main use for the ram support is

TWO FOLD

HRS 22 First, it provides a purchase point nearer to the object to be _______ when, for instance, a dashboard needs to be moved away from a patient. And secondly, it helps to spread the force load against an object, giving the ram end a ______ and more _______ purchase point.

Pushed Wider and more stable

Although the design of the ram support is to use the smooth round cross braces, the ______ shaped braces are equally as strong.

Hex shaped

The hoses supplied with the Holmatro rescue tool come in two colors, _______ and ______ and are ___' in length.

Orange and blue 32’

Hoses The design of this hose is unique to the fire service to where the inner, _____ _______ (supply) hose is encapsulated and protected by the outer, ____ ________ (return) hose.

High pressure Low pressure

Hoses Both inner and outer hose are constructed of _________ and reinforced with _______-like ________ fibers, which make them resistant to

Polyurethane Kevlar-like aramid fibers Kinking

Hoses There are ______ ________ at each end of the hose, which provide protection where the fitting and the hose meet.

Bend restrictors

Hoses The working pressure of the hose is ________ psi with a burst pressure rating of ___ times that or ________ psi.

10,500 psi 4 times 42,000 psi

All Holmatro hydraulic hoses and rescue tools come standard with _____ faced, no-____, auto ______, quick couplers.

Flat faced, no-drip, auto locking

Couplers These couplers have a built in automatic ________ valve that eliminates the need for a dump valve on the pump and allows the "______ _______" of tools.

Return valve Hot swapping

Couplers Each coupler, male and female, has a ___________ _____ designed to keep out dirt as well as protect the coupler from damage when not in use.

Protective cap

Each motor/pump unit comes with a _________ __________ ________ that is to be used to relieve built up pressure in the hoses and tools.

Pressure relief device

Pressure relief device The device is used by placing the _______ end of the hose coupler in the open end of the device and turning the black knob ________ until the plunger in the male coupler is depressed and a small amount of fluid is released.

Male end Clockwise

The hoses and tools can become pressurized when the tools are operated to their fully opened or closed position and then the trigger handle _________.

Released

To avoid the inadvertent build-up of pressure in the tools and hoses, store the tools as follows: Spreader - Close until tips touch, then open one-quarter inch (____") Cutters - Open or close blades until tips cross. If the cutter will not fit in the compartment this way, open completely, then close _______. Rams - Fully retract piston, then open one quarter inch (____")

1/4’’ Slightly 1/4’’

is carried on truck companies and Heavy Rescue is an adjustable bonnet style, air bag restraint device that should be placed on a steering wheel with a non-deployed air bag prior to beginning extrication procedures.

Secunet

Employing the Secunet should be done without placing hands or arms in front of steering wheel in case of an

Accidental airbag deployment

if ever an air bag where to deploy into the Secunet, it shall be taken out of service and a replacement ordered through the

Shops

Secunet The manufacturer only guarantees a ________ deployment into the Secunet.

One-time

Daily maintenance of the Holmatro power units consists of checking the ____ and _________ levels, __________ switch (DPU30) in the ____ position, ______ in the proper position, ______ valve on, as well as a complete visual inspection of the power unit to ensure its readiness.

Fuel and hydraulic levels, on/off switch On position Choke Fuel valve

On a weekly basis, the power unit should be removed from the compartment and ________ _______ and other fluids checked.

Engine oil

Power unit weekly Visually inspect that all _________ are present and tight. The unit should be started and run for at least ___ minutes to ensure a smooth operation.

Fasteners 15 mins

Power unit weekly While the power unit is running, connect a section of hose with a hand tool, operate the tool to its full open or closed position and continue to hold the trigger handle for a ______ _______. Note the change in______ before releasing the handle. This ensures that the second stage pump is operating and that the highpressure load will not _______ the engine.

Few seconds Rpm Stall

Power unit The monthly check should include inspecting the _____ ______ for cleanliness, _____ __________ for proper operation, dust caps and their _______ and the starter ______ _______ for fraying. Also check the condition of the ______.

Air filter Hose coupler Tethers Pull cord Fuel

The daily check for the spreader unit is to ensure that the unit is ready for _____ and the _____ _____ is in place.

Ready for use Dust cap

Spreaders For the weekly check, a good overall ________ inspection checking for loose and/or missing __________ and that the _______ ________ operates freely and returns to the neutral position when released.

Visual inspection Fasteners Trigger handle

Spreaders weekly The tool should be connected to the pump, cycled at least ____ _____ and inspected for _____ and for any debris near the ______ area.

One time Leaks Yoke

Spreaders monthly’s Monthly, check for _______ or _______ in the arms and for any cracks or deformities in the ______ _______ of the tool.

Cracks or gouges Main body

Spreaders monthly’s Also, the operation of the spring loaded, quick pins for the tips should be checked by depressing the pins and removing the tip. Pins should move freely in______ directions. The tips should be inspected for ________ and excessive_____ and should be _________ if either of these two conditions exists.

Both directions Cracks and excessive wear

As with the spreaders, the daily check on the cutters should be for its _________ and that the ____ ______ is in place.

Readiness Dust cap is in place

Cutters The weekly check is also similar to the spreaders in that a good _______ inspection is needed to ensure that all _________ are present and secure and the ________ handle operates correctly.

Visual inspection Fasteners Trigger handle

Cutters weekly The cutter should also be connected to the pump and cycled, paying particular attention inside the ________ _______ area for debris. Any foreign materials such as metal and glass that may have entered and become lodged in the ______/______ area may cause the cutters to operate improperly and potentially damage the tool.

Protective boot area Yoke/pivot

Cutters weekly Most importantly, the hinge bolt nut needs to be checked for tightness. This can be done by hand and if found to be loose, needs to be tightened to ___ foot pounds of torque.

75 foot pounds

Also on a weekly basis, as well as after each use, the cutter blades shall be inspected for ______, _______ and ______.

Nicks, cuts, and gouges

Because thousands of pounds force is exerted on the blades during cutting operations, all nicks and metal build up known, as "___________" should be dressed with a ______ so that blades pass each other without any deflection. Any blade showing evidence of cracking shall immediately be _______________________________ and arrangements made to have the blade(s) replaced.

Mushrooming File Taken out of service

Cutters As for the monthly checks, a _______ inspection of the main body of the tool should be performed to detect _____ and/or ___________.

Visual Leaks Deformities

Telescopic rams daily

Ready for use Dust caps in place

Telescopic ram Weekly, a visual inspection of the ___________ _______ and all of its components should be performed as well as the ram ends for _________. The ram ends should turn freely and swivel completely around. The _________ _______ should also be operated to ensure proper operation.

Carrying handle Rotation Trigger handle

Telescopic rams Monthly, extend the rams, fully checking for gouges or sharp points that may damage the _____ _______ and cause leakage. Another area to inspect is the small ________ _______ that runs along the main body of the ram. This is a return tube and if _____ or _________, will leak hydraulic fluid under pressure.

End seals Chrome tube Bent, punctured

The daily check of the hoses consists of a ________ inspection to ensure that the _____ _______ are in place and no ___________________________ from the hoses.

Visual inspection Dust caps Fluid is leaking

Hoses weekly The coupler should make a full connection and a noticeable "______" with a slight rotation. If the coupler doesn't make a full connection, apply _______ or an equally suitable lubricant to the area behind the coupler and also to the _____.

Click Wd40 Face

Hoses weekly If after several attempts to make a complete coupling and coupler will not fully close, it may need to be

Replaced

the full length of the hose needs to be inspected for any _______, _______, __________ that may cause leakage if not replaced. During the tool operation check, hold the trigger handle to the full open or closed position for about __-___ seconds and check for leaks along the hose and the couplers. Any leaking hose should be taken out of service immediately and replaced by _______________.

Cracks, holes, abrasions 5-10 sec The shops

The hoses should be cleaned with a ______ ______ and_______ water solution.

Mild soap and warm water

If hoses become contaminated with grease, tar, battery acid or any other harmful product, a wiping cloth dampened with_______ can be used to remove such products before cleaning with soap and water.

WD40

To assure proper coupler operation after cleaning, apply _______ to the couplers before placing back on apparatus.

Wd40

Additionally, hoses should be stored in a coiled roll and not shoved into the_________ of the spreader or cutter.

Handle

all accessories such as the HRS22 Ram Support, cutting tips, chain shackles and chains shall be inspected for cracks, wear or any other damage that could possibly cause the part to fail during an operation when?

Monthly basis

The Secunet(r) steering wheel airbag restraint should also be inspected for any possible _____________ or _______ in the fabric or straps and taken out of service if any of these conditions are found.

Contamination or tears

Because Holmatro uses Honda engines that are California EPA approved, they have very small air ports and are susceptible to clogging and gumming with contaminated or "______" gasoline.

Sour

Current LAFD policy is to replace fuel in small motors every ____ days with fresh fuel. Also, a fuel stabilizer such as ______(__) or _______(_) should be used to keep gasoline fresh.

30 days Sta-bil(r) Seafoam(r)

If unsure about your gasoline's freshness, in an open, well ventilated area, dump a small amount of gasoline into a non-colored metal receptacle such as a _____ _______ and note the color of the gasoline

Coffee can

If the gasoline is beginning to turn _______, dump the remaining fuel out of the power unit and dispose of properly.

Yellow

some of the power units have removable metal-screened fuel strainers in the neck of the fuel tank. This should be sufficient to strain the gasoline when refilling. If there is no strainer present, the use of a ________ ________ will suffice.

Paint strainer

If at any time your Holmatro power unit runs rough or stalls when the choke lever is placed in the run position, contact the small engine repair mechanic at the ________ ________ and schedule maintenance for the unit.

Central shops

Running the power unit in the ______ _______ position for extended periods of time can cause damage to the engine components.

Half choke

Be sure that all personnel using the tools are trained in the safe operation of such tools as per the ____________ __________ _________ and your company's ________

Manufacturers owners manual Sog’s

Proper___________ of the tools will help to ensure their safe and efficient operation.

Maintenance

Always wear proper PPE's such as ________, _________, ________ and protective clothing when operating the tools on an object.

Helmet goggles gloves

When operating tools in an environment where flammable or combustible liquids and gases are present, a loaded ____________________ and _____ ________ should be in place and ready to protect personnel in the work area.

1 1/2’’ hoseline Dry chemical

Always attempt to maintain good footing while operating the tools and avoid ______-__________ that could cause a loss of balance.

Over reaching

Avoid situations that place you, the operator, in between the tool and the vehicle. If you end up in this position, ______ the tool and place yourself on the __________ or _______ side of the tool.

Stop Opposite or open

Be aware of a _______ tool to avoid the possibility of pinching your trigger hand between the tool and the object you are working on.

Rotating

When lifting vertically with a spreader or ram, be sure to use __________ as you are lifting to avoid the possibility of and object falling and injuring personnel or patients.

Cribbing