Figure 74-12. Assembly Tool
MAINTENANCE OF HARNESS.
1. To replace contact springs, spring retainer assemblies or insulating sleeves, proceed as follows:
A. Using a Bendix 11-7073 Needle or a mechanical pencil with the lead retracted, hook the end of the
contact spring as shown in Figure 74-11.
B. Using the needle or pencil, unscrew the spring.
C. Slide the insulating sleeve and spring retainer assembly off the end of the lead assembly.
D. Replace the defective component and reassemble as follows:
(1) Fabricate a tool as shown in Figure 74-12 for installing the insulating sleeves over the cable
terminals.
(2) Push the tool through insulating sleeve and spring retainer assembly as shown in Figure 74-13.
Screw the cable terminal into the tool.
(3) Work the insulating sleeve and spring retainer assembly into position over the cable and
unscrew the tool. Install the contact spring on the cable terminal.
—NOTE—
It may be necessary to lubricate the cable and insulating sleeve
with a thin film of Dow-Corning 200 (200,000 centi-stokes) or
commercial grade alcohol to facilitate assembly.
Effectivity 74-21-02
PA-28RT-201T Page 74-12
December 1, 1978
3D21
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL