Transmission EPs Flashcards Preview

HAC > Transmission EPs > Flashcards

Flashcards in Transmission EPs Deck (17)
Loading flashcards...
1
Q

2 categories of main xmsn malfunctions

A

chip and lubrication

2
Q

if chip problem

A

consider reducing load (PCL to IDLE, gen off)

3
Q

if lubrication problem

A

consider securing main gens after APU gen turned on

4
Q

Impending failure of accessory module

A

input chip caution

5
Q

Indications of accessory drive failure

A

loss of hyd pump and generator

6
Q

low but steady oil px

A

single pump failure

7
Q

continually decreasing px

A

leak

8
Q

loss of tail rotor drive in as little as ___ min after ___

A

8; catastrophic loss of lubricaiton

9
Q

TR drive failures precipitated by __, approx. __ min prior to failure

A

dramatic increase in vibs/noise; 1 min

10
Q

Lights for main transmission malfunction

A

Adv: OIL HOT, PRESS HI, PRESS LO
Caution: OIL HOT, PRESS HI, PRESS LO, #1/#2 ACC CHIP, MAIN CHIP

11
Q

MAIN XMSN PRESS HI caution

A

px > 130 psi on vids

12
Q

MAIN XMSN OIL HOT advisory

A

oil temp greater than or equal to 105 on vids and caution is NOT activated

13
Q

MAIN XMSN PRESS HI advisory

A

oil px between 65 to 130 psi on vids and caution is NOT activated

14
Q

MAIN XMSN PRESS LO advisory

A

oil px less than or equal to 30 psi on vids, Nr is greater than or equal to 25% and caution is NOT activated

15
Q

XMSN OIL HOT caution comes on at

A

117 deg C

16
Q

Indications of imminent failure for Tail/Intermediate Transmission

A

Cations accompanied by strong medium freq vibs, hot metal fumes, or any other associated indications

17
Q

What type of landing should you do for an imminent tail/intermediate xmsn failure?

A

Running or no hover