TMU-27/M LOX Servicing Cart, Sniff Test, 30/90/180 Inspection 350020.0

Question 1

Adequate serviceable fire protection equipment must be within how many feet of LOX servicing operation

Answer 1

50 ft

p 8

Question 2

Persons not directly involved in oxygen servicing operations shall be kept outside the _____ ft radius of the LOX servicing safety zone

Answer 2

20 ft

p 8

Question 3

If LOX spills on asphalt or concrete expansion joint sealant, stop servicing or other operations within a _____ ft radius of area where spilled occurred. Do not walk or roll equipment over the area of the spill for at least _____ minutes

Answer 3

20 ft

30 minutes

p 9

Question 4

LOX carts shall be parked or stored how far from: 1. structures having fire resistant or non-combustible exterior walls or with automatic fire extinguishing systems, 2. combustible structures or sources of ignition, including heavy traffic areas where equipment is in operation, or smoking areas, 3. airplane parking, fueling, or refueling

Answer 4

1. 25 ft
2. 50 ft
3. 75 ft

p 9

Question 5

LOX boil off during storage can be considerably reduced if the storage tank is placed how

Answer 5

the rear end is higher than the front end, thus elevating the piping

p 9

Question 6

To make a LOX servicing cart inactive you must store it with what inside

Answer 6

gaseous oil free nitrogen pre-charge

p 12

Question 7

Ensure the tires of the LOX cart are inflated to what psi

Answer 7

between 12 and 15 psi

p 13

Question 8

The liquid level gauge on the cart is what type gauge

Answer 8

float type

p 14

Question 9

How often is the LOX sniff test completed for each 500 gallon storage tank and transfer trailer

Answer 9

7 days

p 16

Question 10

Rinse out the sniff test beaker with reverse osmosis water a minimum of how many times

Answer 10

3 times

p 17

Question 11

What 2 cleaners are used to clean LOX components and surfaces of the cart

Answer 11

OCC Octagon and Sur-Prep 123

multiple pages in this MPC and other MPCs

Question 12

What do you lubricate the control panel cover hinge and handbrake with

Answer 12

Vydax NRT-960, PTFE Release Agent

p 26

Question 13

Lubricate the grease fitting at the bottom of the handbrake lever, caster wheel swivel joint, pivot sleeve, and locking pin with what

Answer 13

Automotive grease MIL-PRF-10924

p 27

Question 14

Due to the length of time that the hot purging process will take, ensure to have a minimum of how many high pressure oil free nitrogen bottles available prior to purging

Answer 14

2 bottles

p 34

Question 15

After hot purging, allow the LOX cart a cooling off period of how long before filling

Answer 15

24 hours

p 35

Question 16

The TMU-27/M cart shall be hot purged how often

Answer 16

annually

p 36