Replacement of AILERON SERVO ACTUATOR 

FIN  No-

33CE1/33CE2/33CE3/33CE4

WEIGHT OF SERVO is 7.4 kg Hence be careful while removing.

Trestles of 13 feet (4M),

Following jobs are to be done:-

(1)PTU isolation coupling is to be disconnected AMM REF 29-23-00-860-001

(2)Both the G and B Hydraulic system to be depressurised IAW AMM 29-10-00-864-003/-001

and following CBs are to be Open and safetied.

(3)Open the Panel at bottom and Top

(4)Aileron Collar PN-98D27104005000

is required to be installed on Servo which is not being worked upon.

(5)Remove following CBs and safetied:-

49VU-B11

121 VU-R20

105 VU-A01,A02

(6)TQ required11 to 12 lbft-ft

(7)Remove the Electrical connector and cap it prevents Hyd contamination of its contact.

Packings P/N -NAS 1611-112 & NAS1611-010 are of Hyd Pr & Return line.

Practically,it isn't required as it is the part of Aileron Servo.

Servo Actuator P/N-31073-110

AILERON SERVO ACTUATOR 

There are Two lock plate,one is at the Rear Jack of servo locking & another at Fwd jack of Servo.

The lock plate is to be placed over the head of the PIN and is to be locked.

To get access to the FWD lock Plate,open the Aileron top panel and for which one needs a long arm rachet.

After removing the rear jack PIN,remove both the Pressure & Return line,this will give slightly more access to the FWD jack.

After accomplishment of the job,noemalise the Aircraft.

Follow applicable AMM,this is just a guide lines