Robinson R66 - Page 252

20-33 Special Torques (continued)
AREA FASTENER
TORQUE
(IN.-LB)
HYDRAULIC
RESERVOIR
(1) D487-3, filler-vent 100
(1) D516-1, filter cap 150
(1) B563-2, sight gage 150
HYDRAULIC
SERVOS
(1) D210-08 nut, attaching D200-2 scissors 25
(1) B330-6 palnut on D200-2 scissor apex fastener 5-10
LANDING
GEAR
(4) NAS6604-46 bolts, securing ground handling wheel
support weldments to skid tubes
70
(4) NAS6607P20 bolt, securing landing gear to fuselage
supports and shackles
66 FT-LB
(2) NAS6607P44 bolt, securing shackles to fuselage 66 FT-LB
(4) B277-28 clamp, securing fairings to struts 15
POP-OUT
FLOATS
(OPTIONAL
EQUIPMENT)
(2) D674-2 hose assembly, B-nuts 245
(4) D674-6 hose assembly, B-nuts 245
(2) D674-7 hose assembly, B-nuts 120
(1) D674-9 hose assembly, B-nuts 245
(2) D674-10 hose assembly, B-nuts 245
(2) D674-11 hose assembly, B-nuts 245
(1) D674-12 hose assembly, B-nuts 245
(1) D674-13 hose assembly, B-nuts 245
(2) D770-1 valve assembly 40
(2) D770-2 valve assembly 40
(2) D770-3 valve assembly 40
(2) D770-4 valve assembly 40
(2) D770-5 valve assembly 40
(2) D770-6 valve assembly 40
MAIN ROTOR
BLADE
(2) B289-2 bolts, per blade, self-sealing 70
(2) A722-4 screws, per blade, tip balance weight 40 wet
(2) NAS1351N3-12P screws, per blade, tip cover 40 wet
MAIN ROTOR
FLIGHT
CONTROLS
(2) MS21042L04 nut, low rotor horn V3-1 switch 4-5
MAIN ROTOR
GEARBOX
(1) B254-3 strainer, main rotor gearbox sump 200
(1) B563-2 sight gage 150
(1) B566-1 chip detector, main rotor gearbox 150
(1) D205-25 hose assembly, sump to pump B-nuts 120
(8) D210-3 nuts, securing D500-2 (hydraulic) and D500-3
(main gearbox oil) pumps to main gearbox
37
(1) F904-1 pinion plug, securing tail rotor output yoke to
main gearbox
60 FT-LB wet
Apply A257-9 to threads
Page 20.10 Chapter 20 Standard Practices JUL 2020