Engine Starter Flashcards
Buddy Start will be used as an ……………… helicopter evacuation maintenance recovery procedure only; not as a ……………………….. operating procedure.
Buddy Start will be used as an emergency helicopter evacuation maintenance recovery procedure only; not as a normal or standard operating procedure.
When do you have a true starter light?
(IP answer/Book answer)
When there is a rise in Ng
Pin 3 and 5 have contact
What is the purpose of the starter speed switch?
The starter speed switch closes the start valve at 52%-65% Ng. Uses auto hold to keep the starter going until then.
How much damage is allowed in the pneumatic tubing?
Damage allowed in the pneumatic tubing is dents up to 25% of the tube diameter.
What is the purpose of the APU check valve?
The purpose of the APU check valve is to prevent air from being forced back through the APU.
When does the “True” #1 ENGINE STARTER caution light come on?
The “True” #1 ENGINE STARTER caution light comes on when the start control valve opens.
Which switch causes the start control valve to open?
The start switch causes the start control valve to open.
During engine start, ignition will continue until the ENGINE IGNITION is moved to the OFF position or _______ occurs?
During engine start, ignition will continue until the ENGINE IGNITION is moved to the OFF position or starter dropout occurs
List Engine Start MTF Checks
(1) Engine Start systems — Check.
(2) ENGINE IGNITION switch — OFF.
(3) FUEL PUMP switch — OFF.
(4) ENG POWER CONT lever — OFF.
(5) HEATER switches — ON.
(6) Engine start button — Press and hold until NG begins to increase. Note that the heater drops off line.
(7) PRIME BST PUMP ON advisory appears when the starter is engaged and disappears when the starter drops out.
(8) NG SPEED should increase to at least 24%.
(9) Abort start by pulling out the ENG POWER CONT lever and checking that the starter drops out.
(10) Heater comes back on line.
(11) Repeat steps b. through d. for the other engine.
Five typical engine start malfunctions experienced with the APU as the air source.
(1)Starter will not stay engaged.
NOTE: If an ENGINE STARTER caution disappears when the starter button is released, and the ENG POWER CONT lever is OFF, the start attempt may be continued by pressing and holding the starter button until 52% to 65% NG SPEED is reached; then release the button.
(2) No rise in TGT, Oil Pressure, or %RPM 1 or 2.
(3) TGT rise above 850° C.
(4) Starter dropout prior to 52% Ng
CAUTION: If start is attempted with ENGINE IGNITION switch OFF, do not place switch ON. Complete EMER ENG SHUTDOWN procedure.
(5) Starter does not disengage past 65% Ng.
Which switch causes the start control valve to open?
Start switch
What position is the engine ignition switch in when you are going to only motor the engine?
The OFF position
What type of system is used to start the main engines on the UH-60A/L?
An air turbine engine start motor
During an external start, what indications must be monitored closely?
TGT, ENG OUT warning disappears about 55 Ng%, ENGINE STARTER caution to disappear 52% to 65%,Clock stop when TGT TEMP peaks, Idle Speed above minimum of 63%,ENG OIL PRESS and XMSN OIL PRESS.
When should you never do a cross bleed start?
For a new or newly installed engine
