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1 and done. > KM-97 > Flashcards

KM-97 Flashcards

1
Q

Helmet shall not be stored near heat source, or temps lower than ___ or higher than ____ degrees F.

A

0 degrees and 120 degrees F.

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2
Q

What is the helmet standalone maximum depth?

A

190fsw.

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3
Q

The helmet operates in temps ____ degrees or higher. ____ degrees if hot water shroud is installed.

A

37 degrees or higher, 29 degrees if hot water shroud is installed.

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4
Q

An EGS is mandatory at depths greater than ___.

A

60fsw.

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5
Q

When using a hand pump to check the gas supply non-return valve; After connecting hand pump to side block, pump to ____ inches of mercury. Disconnect from test adapter, and wait 1 minute. Gauge should drop no more than ____ inches of mercury.

A

Pump to 20. Should drop no more than 3.

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6
Q

When inspecting the faceplate. Scratches ____ deep or deeper, and more than ____ long (or if faceplate is cracked) needs to be replace.

A

1/32 inch deep and more than 1 inch long.

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7
Q

What is the torque of the faceplate/whisker screws?

A

15 in-lbs.

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8
Q

KM-97 Communications are wired in (series/parallel).

A

Parallel.

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9
Q

What is the KM97 helmet made of?

A

Helmet shell is fabricated using high grade 3161 Stainless Steel.

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10
Q

What are the KM97 o-rings lubricated with?

A

MIL-PRF-27617 type II or III

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11
Q

What are the KM97 o-rings lubricated with?

A

MIL-PRF-27617 type II or III grease or Christolube

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12
Q

What could cause a diver to pass out when diving KM97?

A

A neckdam that is too tight could put pressure on the carotid artery.

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13
Q

Why should you not over tighten the packing nut on the KM97?

A

It will prevent movement of the nose-block device.

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14
Q

What is the correct flow of gas from the KM97?

A

Inside the helmet out to the quad exhaust main body. If exhaust valve is backwards, the diver won’t be able to exhale.

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15
Q

When will the KM97 regulator require internal adjustment?

A

If the purge cover has no play or the play is greater than 1/4in before gas flow is heard.

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16
Q

Silicone sealant used to rebuild KM97 must cure for how long before using the helmet?

A

24 hours.

17
Q

Is it ever acceptable to tighten the comms mount nut with a wrench or tool?

A

Fuck no.

18
Q

What is the faceplate (including the adapter plug screws on the top) of the KM97 torqued to?

A

15in-lbs

19
Q

What do you use to clean the KM97 shell with?

A

-Biocircle E-Nox Clean (To remove corrosion) and UNO SF (to neutralize ENOX)

20
Q

What do you use to Sanitize the KM97?

A

Wescodyne, Advanced TBE, Bi-arrest 3, Confidence plus.

21
Q

Can Aerosol sprays be used to clean the KM97?

A

No, sprays can cause invisible damage which could lead to the faceplate shattering if struck.

22
Q

When using the KM-97, what shall the EGS over-bottom pressure be set at?

A

165psi.

23
Q

What side of the helmet cushion faces inwards/towards the ears?

A

The smooth (not bumpy) side.

24
Q

How many turns and how many threads are shown when using teflon tape?

A

1 1/4 turns

3 threads

25
Q

What are the two colors of Loctite authorized on the KM97?

A

Blue (248) or Purple (222)

26
Q

What is the torque for the KM97 diaphragm cover?

A

12in-lbs

27
Q

What can you use to shine the KM97?

A

Scotch brite or a similar non-metallic scouring pad.

28
Q

The ADAPTERS (not the screws that go in them) on the faceplate get torqued to what?

A

20 in-lb

29
Q

If helmet shell has any cracks or dents deeper than ____ or shows deformation, it shall be sent to KM for evaluation.

A

1/8”

30
Q

Regulator mount nut torque spec:

A

150in-lb

31
Q

Neckdam collar screws torque:

A

14inlbs

32
Q

Side block mounting nut torque:

A

35inlb

1 and done. (22 decks)

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