TM 1-1520-238-T-4
4–50
4–12.
POWER PLANTS – MAINTENANCE OPERATIONAL CHECK (ENGINE 1) (cont)
4–12
WARNING
Make sure helicopter safed procedures are accomplished. Observe all
safety precautions during troubleshooting or maintenance tasks. Failure
to comply could result in death or serious injury.
Jet engine fuel is explosive, flammable, and toxic to skin, eyes, and
respiratory track. Work in well ventilated area away from open flames.
Wear protective clothing. If fuel comes in contact with the eyes or skin,
flush with water and seek medical aid immediately.
Do not allow spark or flame near helicopter when servicing or performing
maintenance on fuel system.
Make certain helicopter is grounded.
CAUTION
Ensure proper container is placed under engine 1 overboard fuel drain to
prevent fuel spillage.
1. Complete the maintenance operational check as follows:
Task
Result
a. On pilot power quadrant (fig. 4–26), check
that edge–light panel is lighted.
If pilot power quadrant edge–light panel does not
light, refer to paragraph 4–61.
M58-055
PWR LEVER
ENGINE NO 2
PANEL
EDGE-LIGHT
PWR LEVER
ENGINE NO 1
ENG 2 INDICATOR
ENG START
ENG 1 INDICATOR
ENG START
NO 2 SWITCH
ENG START
NO 1 SWITCH
ENG START
IGN OVRD
Figure 4–26.
Pilot Power Quadrant
