JUL 2020 Chapter 1 General Page 1.15
1-92 Additional Component Maintenance (continued)
B. 2000 HOURS (continued)
Part Number Description Action
C649-4 Oil Cooler (main rotor gearbox oil) Replace with new, or overhaul oil
cooler.
C947-3 Flex Plate Assembly (tail rotor driveline)
Replace with new.
D082-1 Tube Assembly (tail rotor guard mount)
Magnetic particle inspect or replace
with new.
D211-3 Hydraulic Reservoir Assembly
Replace with new or overhaul exchange
reservoir assembly.
D212-5 Hydraulic Servo Assembly
Replace with new or overhaul exchange
servo assembly.
D212-6 Hydraulic Servo Assembly
Replace with new or overhaul exchange
servo assembly.
D224-3 and -4 Tail Rotor Drive Shaft (D196-1) Assembly
Replace with new D224-4 tail rotor
drive shaft assembly.
D333-13 Fitting (PTG)
Replace with new.
D500-2 Hydraulic Pump Assembly
Replace with new or overhaul exchange
pump assembly.
D500-3 Main Rotor Gearbox Oil Pump Assembly
Replace with new or overhaul exchange
pump assembly.
D918-1 Elastic Cord – Longitudinal (cyclic pivot)
Replace with new.
D918-2 Elastic Cord – Lateral (cyclic pivot)
Replace with new.
D918-3 Elastic Cord – (collective)
Replace with new.
D930-2 Spring – Safety (FCU throttle input)
Replace with new.
F006-1, -6 Main Rotor Gearbox Assembly
Replace with new or overhaul exchange
F006-1 or F006-6 gearbox assembly,
as required.
F018-1 Clutch Assembly
Replace with new or overhaul exchange
clutch assembly.
F101-4 Rod End, Elastomeric
Replace with new.
F170-1, -2 Fitting (engine gearbox vent) Replace with new F170-2 fitting.
F173-1 Strut (exhaust weldment support)
Replace with new.
F453-5 Retainer (at firewall seal)
Replace with new.
F579-1 Engine Air Bellmouth
Replace with new.
F597-1 Seal – Firewall
Replace with new.
F642-6, -7 Engine Shaft Weldment
Replace with new F642-7 weldment.
F649-1 Oil Cooler (engine oil)
Replace with new, or overhaul oil
cooler.
F651-2 Element – Main Gearbox Filter
Replace with new.
F651-3 Seal Kit – Main Gearbox Filter
Replace with new.
F771-1 Filter – Engine Air Intake
(foam, standard)
Replace with new.
F771-4 Filter – Starter-Generator (cooling air)
Replace with new.
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