Servicing Flashcards
Engine oil type
Mobil Jet 254
Secondary: 23699
Cold Weather: 7808
Engine oil capacity
7.3 qts
APU oil type
Mobile Jet 254
Secondary: 23699
Cold Weather: 7808
How long after shutdown to check engine oil level?
20 mins
How long after shutdown to check APU oil level?
1 hour
APU oil level should be ___
Between “Add” line and a point 1/8” above “Add” line
APU accumulator proper pressure
2700-3000 psi
APU oil capacity
3 qts
MGB oil type
MIL-PRF 85734
Cold Weather: 7808
If possible, let MGB sit _____ hours within turning head prior to checking oil level.
6
Minimum wait after shutdown to check MGB oil level?
30 mins
MGB dipstick
Hot side: ____ - ____ hours
Cold side: Over _____ hours
Hot side: 30 mins - 2 hours
Cold side: Over 2 hours
MGB oil capacity
7.5 gallons
IGB oil type
MIL-PRF 85734
Cold Weather: 7808
IGB oil capacity
2.75 pints
IGB: If you have to add more than ____ mL of fluid to properly service IGB, the IGB must be replaced.
300 mL
Can you check IGB fluid with tail folded?
No
TGB oil type
MIL-PRF 85734
Cold Weather: 7808
TGB oil capacity
2.75 pints
TGB: If you have to add more than ___ mL of fluid to properly service the TGB, the TGB must be replaced.
400 mL
Hoist oil type
MIL-PRF 23699
Hoist oil capacity
1100 mL
ECS oil type
Mobil Jet 254
Hydraulic fluid type
MIL-PRF 83282
How far may a hydraulic pump be over serviced?
3/8” into over service
Return hydraulic fluid servicing valve to what position?
4 (Rotor Brake/Reservoir)
Hydraulic fluid reservoir capacity
1.3 qts
No. 1, No. 2, and Back up hydraulic pump capacities
0.84 qts
Hydraulic pump low light will come on when pump hydraulic fluid levels reach what?
0.52 qts (60%)
What are the Viscous dampers serviced with?
VVD-1078
Viscous dampers servicing requirement
0-1” Nothing required
1-2” Service
>2” Damper must be replaced
