Piper SENECA II Service Manual page 300

PIPER SENECA II SERVICE MANUAL
b. The trim control cables (5) may be installed by the following procedure:
I. Draw the cables (5) through the floor tunnel and route them through the pulley clusters at
station 127.17 and 166.84. Ascertain that the cables (5) cross at the fairlead (7) between the two pulley
clusters.
·2. Wrap the cable drum and install the trim control wheel as given in Step a.
3. Position the cables (5) over the proper pulleys (as shown in Sketches B and C of Figure 5-9.)
4. Connect the forward cables (5) to the aft cables (15) at the turnbuckles (16) in the aft
section of the fuselage. If the aft cable is not installed, proceed with instructions given in Paragraph 5-33.
5. Remove the blocks securing the aft cables and check that the cables (5 and 16) are seated on
the pulleys. Install the rub block and guard plate at the appropriate pulley clusters. (Refer to Sketches B
and C of Figure 5-9 .)
6. Set trim cable tension in accordance with specifications given in Table V-1 and check rigging
and adjustment per Paragraph 5-34. Safety both turnbuckles.
7. Install the tunnel cover on the forward tunnel and secure with screws.
8. Install the carpet over the floor tunnel.
9. Install the cover over the trim control wheels and flap handle and secure with screws.
10. Install the seat belts removed from the top of the floor tunnel and secure with bolt, washer
and nut.
11. Install the aft floor tunnel cover, heater duct and carpet.
12. Install the carpet over the aft floor plate.
c. Install the panel to the aft section of the fuselage and the seats.
5-32. REMOVAL OF RUDDER TRIM CONTROLS (AFn. (Refer to Figure 5-9.)
a. Remove the access panel from the lower side of the fin and the tail cone fairing.
b.
If
the forward trim mechanism is not being removed at this time, block the cables forward of the
turnbuckles (9) to prevent the cables from unwrapping at the forward trim drum. (Refer to Figure 5-7 .)
c. Secure the trim cables (9) at the aft trim drum barrel (22).
d. Disconnect the trim cable turnbuckles (9) in the aft section of the fuselage.
e. Remove the cable guards from the pulley (14) bracket located at station 279.032.
f. Disconnect the trim screw link assembly (31) from the screw (33).
g. Remove the cotter pin (32) from the aft end of the screw.
h. Remove the four bolt assemblies securing the forward support (21) to the mounting bracket.
i.
Remove the screw and barrel assembly (22) along with the aft cables ( 15) from the airplane.
5-33. INSTALLATION OF RUDDER TRIM CONTROLS (AFT). (Refer to Figure 5-9.)
a. Insert the complete trim screw and barrel assembly (22) into the fin. Route the trim cable ends
around the pulleys at station 279.032.
b. Insert the trim screw and barrel assembly (22) into the mounting bracket ( 19). Place the washer
on the forward end of the barrel and install the support assembly in the mounting bracket.
Reissued: 10/11/79
NOTE
Total allowable end play of the barrel in the mounting bracket is
.006 to .008 inches. Use 62833-18 laminated shim stock washer as
required to achieve the corre~t end play.
SURF ACE CONTROLS
1H6