Ch. 3 - Service and Handling Flashcards
First WARNING in CH. 3
Loose pyrotechnics, smoking or striking matches while working on the aircraft, or using any flame-producing sparking device within 50’ of the helicopter, may result in a fire.
Who Can do Maintenance on the aircraft?
All PQMs and aircrewman qualified in model are authorized to perform servicing and handling when maintenance personnel are not available.
Helicopter must be _____ away from any operating radar set during fueling.
How far from other aircraft and structures?
75ft
50ft
Flameouts may occur following __________ in excess of 10 minutes when JP-5/8. Establish an ______ for 10 seconds to be safe.
Nosedown ground operations
IGE Hover
If JP-4/B is used the following apply:
All takeoffs shall stabalize in a 10 second hover before departing.
NO single engine training
Operating characteristics may change
The next 2 refuelings must be treated as if JP-4/B was used.
Flash point to hanger a helicopter aboard a ship must be above ______.
120 F
JP-8 and JP-4 have a flash point of?
less than 140 F
70% JP5 and 30% JP8 will ensure flashpoint is above _______
120 F
How long do you have to wait to check engine oil?
APU?
Main transmission?
20 minutes
1 hr
30 minutes
- hot scale - 30 min to 2 hrs
- cold scale- more than 2 hrs
Tiedowns
Initial-
Permanent-
Heavy weather-
4 tiedowns. 2 on each main mount
12 tiedowns. 2 on each attachment point
18 tiedowns. 3 on each point.
- winds greater than 35kt, 8 ft seas, pitch 4, roll of 12.
When you are changing from one authorized fuel to another, you do not need to do what?
Drain the helicopter fuel system before adding fuel.
What is a Primary fuel?
A fuel that the aircraft is authorized to use for continuous unrestricted operations.
JP-5
JP-8
F-24
TS-1
What is a Restricted fuel?
A fuel that imposes operational restrictions on the aircraft.
JET A1
JET A
JP-4
JET B
What an Emergency Fuel?
A fuel which may be used for a minimum time when no other primary or restricted fuels are available.
JP8+100
F-27
How much fuel can we take?
JP-5/JP-8
590 Gallons
4012 lbs JP-5
3953 lbs JP-8
3953 lbs
Internal fuel cell pressure greater than ___ can cause rapid fuel cell expansion.
2 psi
Gravity Refueling
Before using the fuel hose it must be grounded to some metal part of the helicopter remote from the fuel tanks.
Can’t Gravity refuel with engines or APU turning.
Static vertical clearance between the deck and lowest point on aux tank (not including the fin)…
Shall not be less than 12.0”
Engine Oil
7.3 U.S. Quarts of
MIL-PRF-23699
APU
2.0 U.S. Quarts of
MIL-PRF-23699
Main Transmission
7.5 U.S. Gallons of
DOD-PRF-85734
Intermediate and Tail Gear Box
2.75 U.S. Pints of
DOD-PRF-85734
HYD Reservoirs
1.0 U.S. Quart
MIL-PRF-83282
Utility HYD
.92 U.S. Quarts
MIL-PRF-83282
Rescue Hoist
1.16 U.S. Quarts
MIL-PRF-23699
Engine Started
200 cc
MIL-PRF-23699
Engine Oil Servicing
Required when the oil level in the sight glass is less than halfway between the ADD and FULL marks.
Service to approx. 1” below the full mark or adjacent to the top set of bolts.
HYD Servicing
When the indicator reached the REFILL (red) point, 2/3 of a is required to reach the FULL (green) mark.
The fluid level indicator is the 1/8” wide white strip at the outboard edge of the piston.
Up to 3/8” into the blue zone is acceptable
HYD Refill Selector Valve
OUT 1 is #1 Pump
OUT 2 is #2 Pump
OUT 3 is B/U Pump
OUT 4 is Rotor Break (also stow position)
SONO Launcher PSI
1175 +/- 25 psi
