(c)
Beforedisconnectingforward cables, blockrearcablesin front of bulkhead F.S.310.0,keeping cablestensionedand preventing slippage frompulleysand sector.

(d)
Mark one cable and tumbuckleto facilitateinstallationanddisconnectturnbucklesat F.S.

(e)
Removecableguardpins from pulley clusters,disengagecable ends from forward control sector,and remove top pulleyat F.S. 77.2.

(f)
Slowly and carefully pull cablesfrom between F.S. 110.37 and F.S.117.88bulkheads.

303.5.

2. Installationof Forward Rudder Cables (Figure401)
(a)
Withfloorboards,pulleys,andguidepinsremoved,install cable ballendsto forward sector underneathrudderpedals. (Removesector,if necessary.)

(b)
Feedcablesback through pulleysto F.S. 303.5.

(c)
If aft cables are not installed, ensurecablesare aligned on pulleys andsector,andput tension on cables whileblockingthemaft of bulkheadF.S.310.0.

(d)
If aft cables are installed,attachcablesto turnbuckles at F.S. 303.5.

(e)
Rig rudder and set cable tension(refer to Figure 501). Ensurecablesarealignedon pulleys andsector.

3. Removalof Forward RudderControl Sector
(a)
Disengagecontroltubesfrom left pedal arms. Tapetubesto pressurebulkheadF.S.57.0.

(b)
Rotatepedalsandtie themout of way.

(c)
Withfloorboardsunderpedalsremoved,disconnectcables.

(d)
Reachdownthroughaccessholein floor and disconnectcontroltubeson sector and tube, disconnectingsectorbellcrank from rudderpedalcontrolbellcrank.

(e)
Removebolt retainingsector assembly to two mounts.

(f)
Carefullyremoveassemblyfrom underfloor.

4. Installation of ForwardRudderControlSector
(a)
Installassemblyfromunder floor.

(b)
Install bolt retainingsectorassemblyto two mounts.

(c)
Connectcontroltubeson sectorand tube, connectingsectorbellcrankto rudder pedalcontrol bellcrank,via access holein floor.

(d)
Connectcablesto pedals and installfloor boards.

(e)
Removepedalties and place pedalsintotheir properposition.

(f)
Removetape from tubesat pressure bulkheadF.S. 57.0. Engagecontroltubesfrom left pedal arms.

EFFECTIVITY: 040-999 27-20-00 Jan
Jan10/90

PIPER AIRCRAFT
PA-42-720(AdvancedTrainer)

MAINTENANCE MANUAL
A. Rudder and Tab (continued)
Rudder Trim Pulleys

Rudder Trim Cable
Fuselage Station 279.38 FuselageStation333.43
Rudder Control System Installation
Figure 401 Sheet (1 of 2)

EFFECTIVITY:
040-999

PAGE
2 7-20-00
Jan 10/90 27-20-00
PIPERAIRCRAFT
PA-42-720(AdvancedTralner)
MAINTENANCEMANUAL

A. Rudder and Tab (continued)
Rudder Trim
FuselageStation 62.75

Rudder Trim Actuator Assembly
FuselageStation 387.00

Fuselage Station 380.61
Fuselage Station 402.40

RudderControl System Installation
Figure 401 Sheet (2 of 2)

EFFECTIVITY: 040-999
27-20-00 PAGE

Jan 10/90 3
PIPER AIRCRAFT
PA-42-720(AdvancedTrainer)

MAINTENANCEMANUAL
A.  Rudderand Tab (continued)
5.  Removalof Aft RudderCables (Figure401)
(a)
Removeleftsidefloor panelson back two cargo decksfromF.S.280.0to F.S.332.0and tail cone (stinger).

(b)
Removefairleadsin bulkhead F.S.332.0.

(c)
If forward cable systemhasnot been removed,blockit at F.S.281.5pulleysto preventcables from slippingpulleysand sector.

(d)
Disengageaft cablesfrom tumbuckles at F.S. 303.5 and tie a 10 foot leaderlineto eachcable terminalsend.

(e)
Removeaccesspanelson left side of tail.

(f)  
Removecable guide pinsat F.S. 334.00,354.67,and 379.5(thoseon aft canted bulkhead)pulleys.

(g)
Disconnectcable endsfromaft sectorand carefullypullcables out throughbackof aircraft ensuringenoughleaderlineextendsfromeachend.

6.  Installationof Aft RudderCables (Figure401)
(a)
Tie eachcableterminalendto leader lineand from cargo areainsidecabin at F.S.303.5pulleachcablethroughfuselagetail.

(b)
Attach cableball ends to sectorandlock rudderin neutralposition.

NOTE:  If forward cablesystemis notinstalled,ensurecablesarecenteredin pulleys and blockthemto bulkhead F.S.310.0.

(c)
At F.S. 303.5in cargosectionof cabin,removeleaderlines. Afterensuringallcablesare 5. properlypositionedon their pulleys, engagecableterminalendswith properturnbucklesand tightento specifications in Figure501.

(d)
InstallcabinfairleadsintoF.S.bulkhead332.0.

7.  Removalof Aft RudderControlSector (Figure401)
(a)
Removetail cone (stinger)andafterlooseningcablesat F.S. 303.51,disconnectcontrolcables from rudder sector.
　
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