References:

[a] Boeing C-40A Aircraft Maintenance Manuals, Part 1, System Description Section
[b] NAVAIR 01-1A-17, Aviation Hydraulics Manual
[c] NAVAIR 01-1A-35, Aircraft Fuel Cells and Tanks
[d] NAVAIR 04-10-506, Aircraft Tires and Tubes
[e] C-40A Operations Manual, Vol. 2
[f] Boeing C-40A Line Servicing Manual

106.1 State the type and model of engine used on the C-40A.

The airplane is powered by two CFM56-7B engines. Each engine may be configured for 20k, 22k, or 24k lbs of thrust.

106.2 List the types of prohibited fuels.

JET B, Mil-T-5624, JP-4, Kerosene, and Naphta

Com-1537 - Servicing cart
STD-1110 - Fluid Resistant Container 5 gal/19 liters
STD-3901 - Fluid Resistant Container 50 gal/190 liters

Sump drains (1 sump drain in each wing tank and 1 in the center tank) are used to drain water, and other contaminants from the fuel tanks in addition to taking fuel samples.

106.5 State the purpose of a hydraulic contamination test.

Hydraulic contamination tests control consists of techniques and practices for minimizing and controlling fluid contamination.

106.6 Define the minimum acceptable hydraulic fluid contamination levels for Navy aircraft and related support equipment.

The acceptable hydraulic fluid particulate level is Navy Standard Class 5, or cleaner, for naval aircraft and Navy Standard Class 3 for related support equipment.

Class A (slow seep)
Class B (seep)
Class C (heavy seep)
Class D (running leak)

106.8 State the fuel capacity for the following:

Main tanks: 1,288 gallons/8,630 pounds Center tank: 4,299 gallons/28,803 pounds

Minimum fuel for ground operation of electric motor-driven hydraulic pumps is 1,675 lbs in the related main tank.