Item and Procedure
Item and Procedure
Lubricate IAW lubrication chart contained in TM
Forward rotary-wing head reservoirs (hub, pitch varying,
and vertical pin) for proper oil levels. Entire assembly
for leaks, security of components, and hardware. Blade
POWER ON CHECKS
jumper wires for security, cuts, kinks, or fraying. Sight
glasses for clarity and signs of metallic particles in
reservoir. Rotor hub for damage.
Rotary-wing blade shock absorbers for leaks and proper
oil levels. Exposed portion of piston rods for cleanliness.
Before performing each power on check, make
Vent valves for proper positions. Lockwasher tang for
sure all personnel and equipment are clear of the
engagement in piston slot.
system(s) being tested. The aircraft must be clear
Rotary-wing blades for damage, cracks, and unbonding.
of all obstructions or injury to personnel or damage
Trim tabs for cracks, damage, and unbonding. Tip
to aircraft may result.
covers for damage and security. Nose cap for damage
APU (running). Electrical and hydraulic power applied.
or unbonding. Shock absorber attachment brackets,
Check APU for fuel and oil leaks.
including filament winding filler material, for cracks and
voids. Check blade root end up to, but not including, first
Maintenance panel for proper pressure and temperature
indications, PUMP FAULT and FILTER CHANGE light
lag damper bracket winding for cracks. Ensure bottom
indicators off, ground contact lights (if installed) on.
surface of blade root end is not contacting pitch varying
Set maintenance panel GND switch to test and check
indicators for proper operation. Set switch to RESET and
Forward transmission fairing work platforms, access
check indicators for reset position. Press to test caution
doors, and panels for damage, closed and latched.
Latches and latch plates for security and condition. NVG
light for condition.
Check for hydraulic leaks and security of components
in the flight control closet, ramp area, fwd pylon and aft
pylon hydraulic compartments.
CHECK WORK AREA FOR TOOLS AND PARTS AFTER COMPLETION OF MAINTENANCE AND INSPECTION.
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