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BOOK 4 QUESTIONS

Revision questions 29 APR 22

Comfort and Performance(in use pump on all time).

Q1. What are the modes of operation of the LEHGS

The ARV

Q2. Accumulator refill button operates what valve

A/c in flight, shock extended, no faults , Autobrake armed.L/g lever set to up . CPIOM and IRDC in control .

Q3.In flight braking the conditions to be met are

per WLG X2 ABSELV’S and x2 ASV’s

Q4. How many valves in the WLG BRAKING Alternate system

EBCU and HYD PWR by LEHGS/HP ACCUM.

Q5. In Emergency braking the ctrl is by

EBPTU on the Capts pedals and NBPTU on the F/o’s

Q6.Braking system what units are fitted to each brake pedal F/o CAPT’s

)and PBSELV

Q7.Park brake mode operation gets its input signal from the ? Park brake sw, (EBPCU

the L/G used are the BLG 4000psi and WLG(to sdy)1740psi

Q8.ultimate mode what are the pressures

part of the NORM system and QTY 2

Q9.How many ARV’s in the BLG braking system

Qty 1 purpose to refill LEHGS

Q10. HOw many ARV’s in the WLG

x2

Q11.How many ACCumulators in the BLG braking system

EBPTU

Q12. Emergency braking signal from the pedals is by

CPIOM fails or ANTI skid sw to off !

Q13.What conditions put the A/c into Emergency braking

Auto- less 30kts on taxi out, on GND. Manual via OMS,CMS test.

Q14.How do you fill the brake ACCUM

1700psi

Q15.WLG pressure in the ULTIMATE mode is limited to

BCS is in CPIOM G Side 1 is G1&G3 side 2 is G2&G4

Q16. Where Is BCS

Emergency braking is by EBCU and Rudder pedals EBPTU

Q17.What is emergency braking

whats wrong with 5000psi

Q18.PARK brake px is only ? 4000psi Why is this

BWS LVDT must be in locked position.

Q19.The LVDT Rigging on BLG BWS is av when