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truck > *TB 67- Holmatro Tools > Flashcards

*TB 67- Holmatro Tools Flashcards

1
Q

Initial extrication operations will only require the use of the first stage pump from the power unit, which is near ______ psi.

A

3,000 psi

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2
Q

The hydraulic fluid used in both power units is a ___ -weight mineral based hydraulic fluid that is non-corrosive.

A

22

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3
Q

There are two cutter tips included for panel cutting with the spreaders. Normally, would you use one or both cutting tips?

A

Usually only one cutter tip is used, while one spreader tip is used as a base

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4
Q

When the trigger is rotated in the clockwise direction, the cutter blades will open or close?

A

Open

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5
Q

Rotating the handle in the counterclockwise direction will extend or retract the rams?

A

Retract

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6
Q

A rotation in the counterclockwise direction will cause the spreaders to open or close?

A

Close

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7
Q

What two colors are the hydraulic hoses and how long are they?

A

Blue and orange

32 ft

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8
Q

The working pressure of the hose is _____ psi with a burst pressure rating of _______ psi

A
  1. 10,500 psi

2. 42,000 psi

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9
Q

To avoid the inadvertent build-up of pressure, how should the spreaders be stored?

A

Leave 1/4” opening between tips

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10
Q

To avoid the inadvertent build-up of pressure, what are the two ways the cutters should be stored?

A

Tips crossed

If not possible to store tool this way, open completely then close slightly

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11
Q

To avoid the inadvertent build-up of pressure, how should you store the rams?

A

Fully retract piston, then open 1/4”

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12
Q

How many times can the secunet be used with an airbag deployment?

A

Once

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13
Q

On a weekly basis, the power units should be started and ran for ___ minutes.

A

15 min

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14
Q

Checking the hose couplings and dust caps and their tethers is a daily, weekly, or monthly check?

A

Monthly check

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15
Q

Checking the starter cord on the power units is a daily, weekly, or monthly check?

A

Monthly

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16
Q

The operation of the spring loaded, quick pins for the tips should be checked daily, weekly, or monthly?

A

Monthly

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17
Q

The hinge bolt nut for the cutters needs to be checked for
tightness daily, weekly, or monthly?

If found to be loose, it needs to be tightened to ___ foot pounds of torque.

A

75

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18
Q

On a _____ basis, as well as after each use, the cutter blades shall be inspected for nicks, cracks and gouges.

19
Q

Extending the rams and checking for gouges or sharp points that may damage the end seals and cause leakage is done daily, weekly or monthly?

20
Q

During the tool operation check, hold the trigger handle to the full open or closed position for about ___ to ___seconds and check for leaks along the hose and the couplers.

21
Q

All accessories such as the Ram Support, cutting tips, secunet, chain shackles and chains shall be inspected daily, weekly, or monthly?

22
Q

When the fuel in the power unit starts to turn the color _____, dispose of properly and refill with fresh fuel.

A

Yellow

Fuel should be clear in color

23
Q

The small ram is ____ inches retracted and ____ inches fully extended

A

12” and 23”

24
Q

The large ram is ____ inches retracted and ____ inches fully extended

A

21” and 50 1/4”

25
Q

What is normally used to clean the holmatro tool hoses?

What if it is contaminated with grease, tar, or battery acid?

A
  • The hoses should be cleaned with a mild soap and warm water solution
  • WD40
26
Q

Holmatro hoses:

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

27
Q

Holmatro power units: Daily, weekly or monthly check?

Checking the fuel and hydraulic levels, on/off switch (DPU30) in the ON position, choke in the proper position, fuel valve ON, as well as a complete visual inspection of the power unit to ensure its readiness.

28
Q

Holmatro power units: Daily, weekly or monthly check?

How often should the engine oil and all fasteners/bolts be checked?

29
Q

Holmatro power units: Daily, weekly or monthly check?

Inspecting the air filter for cleanliness, hose couplings for proper operation, dust caps and their tethers and the starter pull cord for fraying. Also check the condition of the fuel.

30
Q

Holmatro Spreaders:

During weekly checks, the spreaders should be connected to a power unit and cycled at least how many times to check for leaks and debris near the yoke area?

A

At least once

31
Q

Holmatro cutters:

During weekly checks, The cutter should be connected to the pump and cycled, paying particular attention to what area for debris?

A

inside the protective boot

32
Q

Holmatro cutters:

The cutter blades shall be inspected for nicks, cracks and gouges how often?

A

Weekly and after use

33
Q

Holmatro cutters:

Because thousands of pounds force is exerted on the blades during cutting operations, all nicks and metal build up known, as “mushrooming” should be dressed with a ____ so that blades pass each other without any deflection

A

File

Any blade showing evidence of cracking shall immediately be taken out of service and arrangements made to have the blade(s) replaced.

34
Q

Holmatro hoses:

If during the weekly checks the coupler of the hose doesn’t make a full connection to a tool, apply _____ to the area behind the coupler and also to the face

A

WD40 or equal lubricant

35
Q

Holmatro 3020 UL Cutters:

What is the cutting force? Max Opening?

Weighs 27-1/2 lbs

A

63,400 lbs

5-1/4” opening

36
Q

Holmatro 3035 NCT (New Car Technology) Cutters:

What is the cutting force? Max Opening?

Weighs 33-1/2 lbs

A

57,320 lbs

5-5/8” opening

37
Q

Holmatro 4050 NCT (New Car Technology) Cutters:

What is the cutting force? Max Opening?

Weighs 37-1/2 lbs

A

208,000 lbs

7-1/8” opening

38
Q

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

39
Q

Do the rams have more pushing force during stage 1 or stage 2 of extension?

What is the rating?

A

1st stage

  • 49,210 lbs. force - 1st stage,
  • 18,210 lbs. force - 2nd stage
40
Q

PPU15 specs: single tool operation

Weight
HP
RPM
Fuel capacity
Hydraulic fluid capacity
A 
Weight : 35lbs
HP : 2.5hp
RPM: 4500
Fuel capacity: 1.3 qt
Hydraulic fluid capacity: 2000cc
41
Q

DPU30 specs: double tool operation

Weight
HP
RPM
Fuel capacity
Hydraulic fluid capacity
A 
Weight : 58lbs
HP: 3hp
RPM : 3600
Fuel capacity: 1.5 qt
Hydraulic fluid capacity: 3000cc
42
Q

Checking the air filter for the power units is a daily, weekly, or monthly check?

43
Q

The power units utilize a two-stage pump design capable of producing _____ psi

A

10,500 psi

truck (145 decks)

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